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lego up house

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 5Growth 14Conversion 7Competition 0Returns 96Price range 94Avg price 95Brand share 0Review moat 78Quality gap 50

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Incredible£27.92

avg listing price — sweet spot $15–$100

Price range

Great£14.61–£39.03

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great446.25

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-21.7%

90-day search growth — must beat 0% to launch

Conversion

Bad0.6%

search→purchase rate — share of searches ending in a sale

Market size

Bad£18K

£18K/yr · 110K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, lego up house is a £18K/yr Amazon United Kingdom market (110K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

lego up house market data

Units sold / yr
3K–3K
avg 500–750/product
Revenue / yr
£70K–£84K
units × avg price
Conversion rate
0.6%
Avg BSR
#764
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
28 months
Avg seller age
169 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

53

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • LEGO81%
  • JMBricklayer13%
  • YEABRICKS6%

Demand

Weekly Amazon search volume, last 48 weeks — -21.7% search growth over the last 90 days.
9K7KSpike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Feb '26Apr '26Jun '26

Top lego up house search terms

  • lego up house42K/yr
  • lego up19K/yr
  • up lego17K/yr
  • up house lego set9K/yr
  • up lego house14K/yr
  • up house lego5K/yr
  • up house4K/yr
All search terms

Top lego up house products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%20%£4K40%£7K60%£11K80%£14K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

What buyers say about lego up house

What buyers praise and complain about, mined from review topics.

What buyers love

Gifting Purpose16%

“Present which was loved”

Quality-Overall15%

“Everything was good the quality of the Lego”

Design-Overall14%

“Lovely build”

Value For Money11%

“Great value for money”

Fun/Entertainment Experience8%

“its fun for both kids to play”

Brightness/Shine/Glow8%

“This kit makes the house look great all lit up”

Assembly/Installation8%

“Easy to install”

Size-Overall7%

“nice size”

Color4%

“Its quite colourful which in my opinion made the build more fun”

Ease Of Use2%

“Very easy”

What buyers complain about

Size-Overall29%

“These are pretty big”

Value For Money17%

“I would say it was a little on the expensive size”

Strength13%

“The collar on Dug is very flimsy”

Top return reasons

Quality-Overall22%
Defective Material/Parts17%
Size-Overall17%
Design-Overall11%
Advertised Vs Actual Product11%
Functionality-Overall11%
Gifting Purpose11%

Common questions

Is lego up house profitable to sell on Amazon United Kingdom?
The niche generates £18K/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.7%. Flapen's verdict: Skip it (31/100).
How competitive is the lego up house niche?
3 brands and 53 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in lego up house?
Top complaints mined from reviews: Size-Overall, Value For Money, Strength. The return rate is 0.9%.
What does it cost to enter the lego up house niche?
Listings span £14.61–£39.03; the average listing price is £27.92 (sweet spot $15–$100). The average incumbent carries 446 reviews — the moat a new listing must climb.