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Elendan Dollhouse Crochet Pattern

Elendan Dollhouse Crochet Pattern
4.6★ Rating
8-10 Hours Time Needed
2.0K Made This
✂️

Advanced Level

Designed for experienced knitters, these patterns involve intricate designs and complex techniques to challenge and inspire.

⏱️

All-Day Adventure

Requires 8-10 hours, ideal for a full day of immersive knitting.

🏡

Cozy Accent

A warm touch for your space that transforms ordinary corners into inviting nooks filled with handmade charm.

About This Elendan Dollhouse Crochet Pattern

Elendan Dollhouse Crochet Pattern crochet pattern - detailed view of completed project

What makes this pattern truly special is the attention to detail in both construction and decoration. From the precisely measured wire frame that gives the house its shape to the charming accessories like the micro bunny resident, every element has been carefully designed to create a cohesive and enchanting final piece.

Why You'll Love This Elendan Dollhouse Crochet Pattern

I absolutely love how this pattern challenges you to think architecturally while working with yarn. The innovative technique of crocheting directly onto the wire frame was a game-changer for me, creating a sturdy structure without endless hours of assembly. I find the process of building each floor, watching the walls rise, and finally adding the peaked roof incredibly satisfying. The micro bunny inhabitant adds such personality to the finished piece, and I love that the house actually opens and closes with a functional button closure. This pattern pushed my crochet skills in the best way possible, teaching me new construction methods I now use in other projects. The finished dollhouse becomes a treasured keepsake that displays beautifully and never fails to spark conversation.

Elendan Dollhouse Crochet Pattern step 1 - construction progress Elendan Dollhouse Crochet Pattern step 2 - assembly progress Elendan Dollhouse Crochet Pattern step 3 - details and accessories Elendan Dollhouse Crochet Pattern step 4 - final assembly and finishing

Switch Things Up

I love experimenting with color variations for this dollhouse pattern! Instead of the traditional beige and white combination, I've tried creating a pastel pink cottage with a lavender roof for a fairy-tale aesthetic, and the results were absolutely magical. You could also go bold with a bright red house and contrasting yellow roof for a more whimsical, storybook appearance.

For the interior accessories, I enjoy personalizing each dollhouse by changing the decorative elements to match different seasons or themes. Instead of a Christmas tree, I've made tiny potted plants for a spring version, or small pumpkins for an autumn theme. The micro bunny resident can also be swapped for other tiny animals – I've successfully made a micro bear and a tiny cat using the same basic technique.

One modification I particularly love is adding small windows with transparent organza or tulle fabric glued behind the openings to create a more realistic window effect. I've also experimented with embroidering tiny curtains around the window openings using very fine thread, which adds incredible detail to the finished piece.

For those who want to make the pattern more challenging, consider adding a small chimney to the roof using additional rounds of single crochet worked in a circular pattern. I've also created versions with a small balcony on the second floor by extending the floor piece slightly and adding a decorative railing using chain stitches and picots.

The wire frame technique opens up so many possibilities! I've used this same construction method to create other miniature structures like a lighthouse, a church with a steeple, and even a tiny castle tower. The key is understanding how the wire provides structure while the crochet work creates the decorative exterior. Once you master this technique, you'll find yourself designing all sorts of architectural crochet projects.

Common Mistakes & How to Fix Them

✗ Skipping the wire frame measurements can result in a warped or unstable structure that won't stand properly or close correctly ✗ Not maintaining tight tension throughout the pattern will create gaps in the walls and an overall flimsy dollhouse structure ✗ Forgetting to hide yarn tails as you work will make finishing nearly impossible due to the small scale and tight construction ✗ Missing window or door openings during wall construction requires undoing significant work since they cannot be easily added later ✗ Using yarn that's too thick for the recommended hook size will result in a dollhouse much larger than intended dimensions ✗ Neglecting to stuff the body before closing rounds makes it impossible to achieve proper shaping without disassembling the work

Elendan Dollhouse Crochet Pattern

Create your own enchanting miniature world with this detailed dollhouse crochet pattern. This charming three-story dwelling measures approximately 4.5 cm x 4.5 cm x 7 cm and features intricate architectural details including windows, doors, floors, walls, an attic, and a beautiful snow-covered roof. Complete with festive decorations like a Christmas tree, garland, blanket, pillow, and an adorable micro bunny inhabitant, this pattern offers a delightful crafting experience that results in a truly magical handmade keepsake.

Advanced 8-10 Hours

Materials Needed for Elendan Dollhouse Crochet Pattern

— Main Fabric

  • 01
    Beige cotton or acrylic yarn for walls, floors and attic - approximately 30g, 100% cotton, 100g/200m (3.5 oz/218 yds), yarn weight #2 - fine/DK
  • 02
    White cotton or acrylic yarn for roof and ground - approximately 20g, 100% cotton, 100g/200m (3.5 oz/218 yds), yarn weight #2 - fine/DK
  • 03
    Green yarn for Christmas tree accessories - same weight as house yarn
  • 04
    Red yarn for decorative garland - thin yarn for 1.00mm hook
  • 05
    White yarn for micro bunny - 650m/100g or thinner for 1.0mm hook

— Tools Required

  • 01
    Crochet hook 1.75mm (US steel/thread hook 4 or UK steel/thread hook 2)
  • 02
    Crochet hook 1.0mm for bunny and fine details
  • 03
    Scissors
  • 04
    Yarn needle for weaving in ends
  • 05
    Decorative button for closure
  • 06
    Floral tape wire approximately 40cm (for structural frame)
  • 07
    Tape measure or ruler
  • 08
    Round nose pliers for making wire frame
  • 09
    Stitch markers or contrast thread for marking rounds
  • 10
    Small amount of toy stuffing for bunny
  • 11
    Textile markers, color pencils or chalk for decoration
  • 12
    Dark embroidery thread for bunny eyes

Progress Tracker

0% Complete

— Part 1: Main Dollhouse Structure

— Floor (Make 3)

Row 1:

Make a foundation chain of 9 stitches. Single crochet in second chain from hook, sc in each ch across row (8 sc)

Rows 2-4:

ch 1, turn, sc in each ch along row (8)

Trim row:

ch 1, sc 4 evenly spaced along edge to corner; 2 sc into corner, 6 sc in each stitch, 2 sc into next corner, sc 4 evenly spaced from edge to corner (18)

Info:

Fasten off and cut the yarn after having finished 2 details. After having made the 3rd detail DO NOT cut the yarn

— Walls

Row 1:

Ch 1, make 18 sc through back loop of last row (18)

Section 1 Rows 2-4:

ch 1, turn, sc 2 (2)

Section 2 Row 2:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 10 (10)

Section 2 Row 3:

ch 1, turn, sc 9, sc 1 hitching up the loop of ch (10)

Section 2 Row 4:

sl st into the loop of ch, turn, sc 10 (10)

Section 3 Row 2:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 2 (2)

Section 3 Row 3:

ch 1, turn, sc 1, sc 1 hitching up the loop of ch (2)

Section 3 Row 4:

sl st into the loop of ch, turn, sc 2 (2)

Row 5 (along all sections):

ch 1, turn, sc 2 in each stitch, sc 2 into chain, sc 10 in each stitch, sc 2 into chain, sc 2 in each stitch (18)

Row 6:

Turn. Take 1 floor detail. Ch 1, make 18 sc through back loop of walls and back loop of floor detail (18)

Row 7:

ch 1, turn, sc in each stitch of row (18)

Section 1 Rows 8-10:

ch 1, turn, sc 6 in each stitch of row (6)

Section 2 Row 8:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 2 (2)

Section 2 Row 9:

ch 1, turn, sc 1, sc 1 hitching up the loop of ch (2)

Section 2 Row 10:

sl st into the loop of ch, turn, sc 2 (2)

Section 3 Row 8:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 6 (6)

Section 3 Row 9:

ch 1, turn, sc 5, sc 1 hitching up the loop of ch (6)

Section 3 Row 10:

sl st into the loop of ch, turn, sc 6 (6)

Row 11 (along all sections):

ch 1, turn, sc 6 in each stitch, sc 2 into chain, sc 2 in each stitch, sc 2 into chain, sc 6 in each stitch (18)

Row 12:

Turn. Take 2nd floor detail. Ch 1, make 18 sc through back loop of walls and back loop of floor detail (18). Don't fasten off

— Attic

Row 1:

ch 1, turn, 5 sl st, ch 1, sc 8 (8)

Row 2:

ch 1, turn, dec, sc 4, dec (6)

Row 3:

ch 1, turn, dec, sc 2, dec (4)

Row 4:

ch 1, turn, 2 dec (2)

Row 5:

ch 1, turn, dec (1), ch 1, 5 sl st down, 5 sl st along the top of wall. Do not fasten off

— Roof

Info:

Take yarn B (white)

Row 1:

Make a foundation chain of 7 stitches. Sc in second chain from hook, sc in each ch along row (6)

Row 2:

ch 1, sc 4 through last walls row and previous roof row together, sc 1 through last walls and roof rows hitching up the first attic row too, sc 1 (6)

Row 3:

ch 1, turn, sc 1, sc 1 hitching up the stitch of attic, sc 4 (6)

Row 4:

ch 1, turn, sc 4, sc 1 hitching up stitch of attic, sc 1 (6)

Row 5:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 4 (6)

Row 6:

ch 1, turn, sc 4, sc 1 hitching up stitch of attic, sc 1 (6)

Row 7:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 4 (6)

Row 8:

ch 1, turn, sc 4, sc 1 hitching up stitch of attic, sc 1 (6)

Row 9:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 4 (6)

Row 10:

ch 1, turn, sc 4, sc 1 hitching up stitch of attic, sc 1 (6)

Row 11:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 4 (6)

Row 12:

ch 1, turn, sc 4, sc 1 hitching up stitch of attic, sc 1 (6)

Row 13:

ch 1, turn, sc 1, sc 5 pulling the thread through the stitches of last walls row (6)

Row 14:

ch 1, turn, sc 6 (6)

Row 15:

ch 1, turn, 6 sl st into previous row, ch 1, 2 sl st along frontal roof border. Do not fasten off

— Frame

Info:

Measure borders of house. Total length approximately 19 cm (7.5 inches). Cut wire of needed length plus 0.5 cm. Join the ends with round nose pliers

Info:

Insert hook in the loop of yarn A (beige) and crochet over frame: 1 ch, sc 6 along 2nd floor, sc 6 along 1st floor, sc 10 along floor into BACK loop, sc 6 along next side of 1st floor, sc 6 along next side of 2nd floor (34). Fasten off

Info:

Insert hook into loop of yarn B (white), sc 6 over frame before place of frame ends joining, sc 6 over frame after place of frame ends joining, 2 sl st along frontal roof border, ch 1, 6 sl st along left side of roof border. Fasten off, weave in all ends

Info:

With needle and yarn hide the place of frame ends joining. Sew decoration button if desired. Decorate with embroidery if desired

— Ground

Row 1:

Work with yarn B. Inserting hook into front loops of FLOOR detail (not frame) sc 28 (28)

Row 2:

Continue working in spiral rows. 1 inc, 8 sc, 2 inc, 2 sc, 2 inc, 8 sc, 2 inc, 2 sc, 1 inc (36)

Row 3:

1 inc, 10 sc, 2 inc, 4 sc, 2 inc, 10 sc, 2 inc, 4 sc, 1 inc (44)

Row 4:

1 inc, 2 sc, 1 hdc, 6 dc, 1 hdc, 2 sc, sl st (14). Fasten off, weave in the end of yarn

— Part 2: Opening Section

— Floor

Row 1:

Use yarn A (beige). Make a foundation chain of 9 stitches. Sc in second ch from hook, sc in each ch along row (8 sc)

Row 2:

ch 1, turn, sc 8 (8)

Trim row:

ch 1, sc 2 evenly spaced along edge to corner; 2 sc into corner, 6 sc in each ch, 2 sc into next corner, sc 2 evenly spaced from edge to corner (14). Don't fasten off

— Walls

Row 1:

Make 14 sc through back loop (14)

Section 1 Rows 2-4:

ch 1, turn, sc 2 (2)

Section 2 Row 2:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 6 (6)

Section 2 Row 3:

ch 1, turn, sc 5, sc hitching up the loop of ch (6)

Section 2 Row 4:

sl st into the loop of ch, turn, sc 6 (6)

Section 3 Row 2:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 2 (2)

Section 3 Row 3:

ch 1, turn, sc 1, sc 1 hitching up the loop of ch (2)

Section 3 Row 4:

sl st into the loop of ch, turn, sc 2 (2)

Row 5 (along all sections):

ch 1, turn, sc 2 in each stitch, sc 2 into chain, sc 6 in each stitch, sc 2 into chain, sc 2 in each stitch (14)

Rows 6-7:

Turn, ch 1, sc 14 (14)

Section 1 Rows 8-10:

ch 1, turn, sc 4 in each stitch of row (4)

Section 2 Row 8:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 2 (2)

Section 2 Row 9:

ch 1, turn, sc 1, sc hitching up the loop of ch (2)

Section 2 Row 10:

sl st into the loop of ch, turn, sc 2 (2)

Section 3 Row 8:

ch 4, skip 2 stitches of bottom walls row, inserting hook into 3rd stitch sc 4 (4)

Section 3 Row 9:

ch 1, turn, sc 3, sc 1 hitching up the loop of ch (4)

Section 3 Row 10:

sl st into the loop of ch, turn, sc 4 (4)

Row 11:

ch 1, turn, sc 4 in each stitch, sc 2 into chain, sc 2 in each stitch, sc 2 into chain, sc 4 in each stitch (14)

Row 12:

Turn, ch 1, sc 14 (14). Don't fasten off

— Attic

Row 1:

ch 1, turn, 3 sl st along last walls row, ch 1, sc 8 (8)

Row 2:

ch 1, turn, dec, sc 4, dec (6)

Row 3:

ch 1, turn, dec, sc 2, dec (4)

Row 4:

ch 1, turn, 2 dec (2)

Row 5:

ch 1, turn, dec (1), ch 1, 5 sl st down, 3 sl st along the top of wall. Do not fasten off

— Roof

Info:

Take yarn B (white)

Row 1:

Make a foundation chain of 5 stitches. Single crochet in second chain from hook, sc in each ch along row (4)

Row 2:

ch 1, sc 2 through last walls row together with previous roof row, sc 1 through last walls and roof row hitching up first attic row too, sc 1 (4)

Row 3:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 2 (4)

Row 4:

ch 1, turn, sc 2, sc 1 hitching up stitch of attic, sc 1 (4)

Row 5:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 2 (4)

Row 6:

ch 1, turn, sc 2, sc 1 hitching up stitch of attic, sc 1 (4)

Row 7:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 2 (4)

Row 8:

ch 1, turn, sc 2, sc 1 hitching up stitch of attic, sc 1 (4)

Row 9:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 2 (4)

Row 10:

ch 1, turn, sc 2, sc 1 hitching up stitch of attic, sc 1 (4)

Row 11:

ch 1, turn, sc 1, sc 1 hitching up stitch of attic, sc 2 (4)

Row 12:

ch 1, turn, sc 2, sc 1 hitching up stitch of attic, sc 1 (4)

Row 13:

ch 1, turn, sc 1, sc 3 pulling the thread through the stitches of last walls row (4)

Row 14:

ch 1, turn, sc 4 (4)

Row 15:

ch 1, turn, 4 sl st into previous row, ch 1, 2 sl st along frontal roof border. Do not fasten off

— Frame

Info:

Measure borders of this part. Total length approximately 17 cm (6.7 inches). Cut wire plus 0.5 cm. Join ends with round nose pliers

Info:

Insert hook into loop of yarn B (white), sc 6 over frame before point of frame ends joining, sc 6 over frame after place of joining, 2 sl st along roof border, ch 1, 4 sl st along left side roof border. Fasten off

Info:

Insert hook in the loop of yarn A (beige): Make 1 ch, sc 6 along 2nd floor, make buttonhole loop (ch 9 for 8mm button, sl st into 1st loop of ch), sc 6 along 1st floor, sc 10 along floor into back loop, sc 6 along next side of 1st floor, sc 6 along next side of 2nd floor. Do not fasten off

Info:

Ch 1, sc 10 through borders of both parts to join. Fasten off. With needle and yarn hide the place of frame ends joining. Sew the button between 1 and 2 floors on the outer side of part 1

— Home Decor: Garland

Info:

With hook 1.00mm and thin yarn ch 8 (leaving long tail), sl st into 4th ch from beginning

Info:

Repeat: Ch 8, sl st into 4th ch from previous part, 4 times. Ch 4. Fasten off leaving long tail. Join garland to the roof with hook or needle

— Home Decor: Christmas Tree

Info:

With hook 1.75mm and green yarn make foundation chain of 10 stitches, sl st into 1st ch. Work in spiral rows

Rows 1-2:

sc 10

Row 3:

[dec, sc 3] x 2 (8)

Row 4:

[dec, sc 2] x 2 (6)

Row 5:

[dec, sc] x 2 (4)

Row 6:

[sl st into opposite stitch from hook] x 2. Fasten off, hide tail, sew decor and embroider if desired

Info:

Take white yarn. Work along foundation chain: ch 1, [inc, sc] x 5 (15). Fasten off, hide the tail

— Home Decor: Blanket

Info:

With hook 1.75mm and corresponding yarn ch 9, beginning from 2nd ch from hook sc 8. [Ch 1, turn, sc 8] x 5 rows. Fasten off, weave in the ends

— Home Decor: Pillow

Info:

Use the same hook and yarn. Ch 5, beginning from 2nd ch from hook sc 4. [Ch 1, turn, sc 4] x 5 rows. Fasten off. Fold it, make slip stitches along 3 sides of borders or join with needle. Hide tails inside

— Micro Bunny

Info:

Hook 1.0mm, yarn 650m/100g or thinner. Work in spiral rows. Use thread in contrast color to mark the rows

Row 1:

6 sc in magic ring (6)

Row 2:

6 inc (12)

Rows 3-6:

sc into each stitch (12)

Row 7:

Make arms: Make 5 ch, beginning from 2nd ch from body sc 2. Continue along body - sc 5. Make second arm: ch 5, beginning from 2nd ch from body sc 2. Return to row of body - sc 7 (12)

Row 8:

Skip the arms and crochet as usual - each sc into each sc of previous row. Make 12 sc (12)

Rows 9-12:

sc into each stitch (12). Insert a bit of toys filler inside

Row 13:

sc 6, make a leg: Ch 3, inserting hook into 3rd ch from hook make popcorn stitch (5 dc in one chain, join first and last dc with slip stitch). Make 2 chains. Put hook behind the popcorn stitch. Pulling yarn from behind make a loop, crochet 2 loops on hook together. Insert hook through first sc of last row of body and last sc of last row on opposite side of body. Make 6 slip stitches joining opposite sides of body. Repeat leg: make 3 chains, popcorn stitch of 5 dc, 2 chains, tighten the base of popcorn stitch with one more loop from behind and crochet those 2 loops on hook together. Make 1 sl st into body. Fasten off leaving long tail of yarn

Tail:

Turn the work. Choose place for tail. Insert hook through this place, move forward closely to the knot and pull out the yarn left for making tail. Make 2 chains. Insert hook under closest stitch of body, make dc. Then make 2 chains, sl st into base of dc, fasten off and hide the end inside

Neck:

Take a needle and sew thread. Make neck tightening the thread as shown in photos

Eyes:

Make eyes with dark thread as shown in photos

Ears:

Insert hook into place for ear. Pull the yarn, make 3 ch, 3 dc into same place. Ch 3, turn, make 3 dc worked off together. Ch 2, turn, 4 sl st along inner border of ear, sl st into head. Fasten off leaving a long tail for making second ear. Pull the yarn out in opposite side of head, repeat an ear. Hide the tail of yarn inside when finished

Decoration:

Use textile markers, color pencils or kids chalk to decorate bunny

Assembly Instructions

  • Measure and cut floral wire to create the structural frame for the dollhouse, joining the ends securely with round nose pliers to form a rectangular shape that matches the floor dimensions
  • Crochet over the wire frame using beige yarn, working single crochet stitches around the frame to cover it completely while maintaining tight tension for structural integrity
  • Attach the white yarn roof sections by crocheting them directly to the attic and wall edges, working slip stitches along the roof borders to secure them in place
  • Join Part 2 (opening section) to Part 1 (main structure) by working single crochet stitches through the borders of both parts, creating a hinged connection that allows the house to open and close
  • Create the buttonhole loop on Part 2 by making a chain long enough to fit around your button, then slip stitching it closed before continuing to crochet along the frame
  • Sew the decorative button to the outer side of Part 1 between the first and second floors, positioning it to align with the buttonhole on Part 2 for proper closure
  • Hide all yarn tails by weaving them through the inside of the structure using a yarn needle, ensuring no loose ends are visible and all connections are secure

Important Notes

  • 💡Maintain extremely tight tension throughout the entire project as this is essential for structural stability and preventing the dollhouse from collapsing or warping
  • 💡Accurately measure the wire frame before cutting as incorrect measurements will result in parts that do not fit together properly or a house that cannot close
  • 💡Hide yarn tails as you work rather than leaving them for later, as the tight construction makes it nearly impossible to weave in ends once the structure is complete
  • 💡Use stitch markers or contrasting thread to mark rounds when working on the bunny, as the small scale makes it easy to lose track of your position
  • 💡Work with adequate lighting and take breaks frequently when crocheting the micro bunny, as the fine yarn and small hook size can cause eye strain
  • 💡Test the buttonhole size before finalizing it by holding your button against the chain to ensure it will fit through comfortably but not be too loose

This enchanting Elendan Dollhouse pattern brings together architectural design and crochet artistry to create a truly unique miniature masterpiece. With its innovative wire frame construction, realistic multi-story structure, and charming decorative elements including a micro bunny resident, this pattern offers an advanced crocheting experience that results in a treasured keepsake. The finished dollhouse features functional doors, decorative windows, festive accessories, and a button closure system that allows it to open and reveal its cozy interior. Perfect for display or imaginative play, this pattern pushes your skills while creating something truly magical. Happy crocheting and enjoy building your tiny world! 🧶✨🏡

You ask,

we answer.

FAQs

Can I use different yarn weights to make a larger or smaller dollhouse?

Yes, you can absolutely scale the dollhouse by using thicker or thinner yarn with an appropriately sized hook. Just remember that tighter tension is crucial regardless of yarn weight to maintain structural integrity. If you go larger, you may need to adjust the wire frame measurements proportionally.

What if I can't find floral wire for the frame?

You can use any flexible but sturdy wire that holds its shape, such as armature wire or even heavy-gauge craft wire. The key is that it needs to be thick enough to support the structure but thin enough to crochet around. Wire between 0.89mm and 1mm works best.

Is it necessary to make all the accessories, or can I just make the house?

The house structure itself is complete without the accessories. The Christmas tree, garland, blanket, pillow, and micro bunny are all optional decorative elements. Feel free to customize with your own accessories or leave them out entirely.

How do I keep track of which section I'm working on when making the walls?

Use different colored stitch markers or scraps of contrasting yarn to mark the beginning of each section. The pattern divides walls into three sections with different stitch counts, so marking them clearly will help you stay oriented as you work.

My house won't close properly. What went wrong?

This is usually caused by incorrect wire frame measurements or inconsistent tension. Check that both wire frames are the correct length and that you've maintained tight, even tension throughout. The buttonhole may also need adjustment if it's too small or large for your button.

Can I sew the roof on instead of crocheting it directly to the structure?

Yes, you can crochet the roof as a separate piece and sew it on afterward if you prefer. However, the pattern's method of crocheting it directly onto the structure creates a more secure attachment and avoids bulky seams on such a small scale.

The micro bunny seems too difficult. Is there an alternative?

The micro bunny is definitely the most challenging part due to its tiny size. You could make a larger version using thicker yarn and a bigger hook, or substitute a simple crocheted ball or different amigurumi figure that you're more comfortable making.

How do I prevent the white roof yarn from getting dirty over time?

Consider treating the finished dollhouse with a fabric protector spray suitable for yarn crafts. Store it in a display case or covered when not in use. Some crafters prefer to use off-white or cream colored yarn for the roof as it shows less dirt.