Beginner
≈ 5 h 45 minSuggested range3 h 30 min – 8 h 30 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Creator · SET 31153
Modern House
A modern house with pool and palms offers accessible interiors, with city building or woodland cabin alternatives.
- Pieces
- 939
- Release year
- 2024
- Theme
- Creator
- Set number
- 31153
- LEGO recommended age
- 9+
- Archived LEGO price
- 99.99 €
Retired from the LEGO Italy catalogue when checked on 23 October 2026. Availability can change. Check the store for the latest information.
Source: LEGO Italy · Price checked on 23 October 2026. Retired set: this is the price shown on the archived LEGO page, not a current offer or a verified launch price.
Official English name verified at: LEGO English catalogue ↗ · Checked on 24 October 2026.
TIME TO BUILD
How long does it take to build Modern House?
A starting point for planning your build. Times for each experience level are editorial estimates, not measurements submitted by HowLongToBuild users.
Editorial model estimate · no verified measured building time
Intermediate
≈ 3 h 45 minSuggested range2 h 15 min – 5 h 30 minExperienced
≈ 2 h 30 minSuggested range1 h 30 min – 3 h 45 minBased on one person building the set for the first time, following the original instructions and using numbered bags where supplied. Includes normal piece-finding and minor adjustments; excludes long breaks, filming, dismantling and modifications. Sources may use different methods. This range is neither a statistical interval nor a limit: your build may take less or more time.
How we estimate times · sources and method
Furnishings, glazing and asymmetrical forms. Main house without dismantling or rebuilding. The three central durations are model-specific editorial assessments. Planning ranges extend approximately from 65% to 145%, rounded to quarter-hours; they are not measured experience-level averages or guaranteed limits.
Sources do not always specify the builder’s experience. The three experience bands are our editorial assessment, based on the complexity of the set and individual accounts where available.
- LEGO Italy · Modern House ↗
This source documents the model’s features and components, not a timed build. No sufficiently verifiable individual building-time report has been identified for this set.
- LEGO building instructions · Modern House ↗
Set-specific instructions checked against the set number, piece count and year. The duration is an editorial assessment based on piece count, construction type, mechanisms and detail.
Checked: 23 ottobre 2026 · Method v1.0 · Limited reports; not a statistical average.
BUILT BY THE COMMUNITY
Yours could be the first building time.
0 reviewed solo building times.
No solo building times have been reviewed yet. You can still find editorial estimates under Suggested times.
Log your buildBuild your own story.
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Create a free account →BEYOND THE BRICKS
Did you know?
Inside the set
Three destinations
Build a beach house, three-storey urban building or cabin, one at a time.
LEGO sourceRooms to explore
Rear access reveals cooking, reading and resting spaces, plus a balcony.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
A modern house in nature
Frank Lloyd Wright designed Fallingwater in 1935 for the Kaufmanns. It is not the set’s building, but a celebrated modern-house comparison.
Western Pennsylvania ConservancyTwo colours for unity
Wright limited Fallingwater’s palette to pale ochre concrete and Cherokee-red steel for an organic composition.
Western Pennsylvania ConservancyWritten by HowLongToBuild · Sources are linked with each story · Checked on 23 October 2026. Historical facts and story details refer to the context described.
THE COMMUNITY’S EXPERIENCE
What was it like to build?
Three separate scores from 1 to 10. For difficulty, 1 means very easy and 10 means very difficult.
No approved ratings yet. Scores are never generated by this site or inferred from the recommended age.
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Specific steps, useful checks and sticking points. Contributions appear after moderation, in their original language. Do not upload instruction pages or personal contact details.
No approved tips yet.
Sign in to contributeSET THE MOOD
A soundtrack for your build
Modern House · Selected for the building rhythm
Small acoustic motifs and curious combinations accompany shapes to invent and scenes to build. A playful suggestion for the building table rather than a song tied to a brand.
OUR PICK
Music from the Penguin Cafe
Penguin Cafe Orchestra
Acoustic · curious and playfulTry a different atmosphere
ANOTHER MOOD
Green
Hiroshi Yoshimura
Ambient · light and contemplativeEditorial suggestions, not official soundtracks for the set. External services may require an account or subscription; editions and availability can vary by country. Suggest another soundtrack →
Report a problem with this set →
YOUR NEXT BUILD
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