large post box
Worth a lookShows a fragmented shelf (top 5 take 20% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Incredible20%top-5 click share — an open shelf
Avg price
Incredible£45.02avg listing price — sweet spot $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Brand share
Great52%top-5 brand share — no brand owns this niche
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Good1,048.77avg incumbent reviews — the moat a new listing must climb
Price range
Good£10.00–£168.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Growth
Okay+0.6%90-day search growth — must beat 0% to launch
Market size
Bad£64K£64K/yr · 52K searches
According to Flapen's Amazon United Kingdom niche tracking, large post box is a £64K/yr Amazon United Kingdom market (52K searches/yr). The top 5 brands hold 52% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
large post box market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- £34K–£45K
- units × avg price
- Conversion rate
- 2.7%
- Avg BSR
- #126
- Page quality
- 0%
- Prime
- 46%
- Sponsored
- 91%
- Out of stock
- 11.7%
- Avg brand age
- 46 months
- Avg seller age
- 184 days
Competition & brand share
Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.Brands
43 falling
Sellers
59
Top-5 brand share
52%
Top 20: 86%
Top-5 click share
20%
Top 20: 49%
Open market
44%
- SONGMICS24%
- Burg-Wächter9%
- Black Country Metal Works7%
- Assorted Collections7%
- lisetar6%
- BELOFAY5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top large post box search terms
- free standing post box11K/yr
- large post box13K/yr
- black post box10K/yr
- wall mounted letter box anthracite grey6K/yr
- metal post box6K/yr
- personalised post box5K/yr
- modern mailbox652/yr
Top large post box 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
lisetar Post Box Wall Mounted Steel Mail Box with Combination Lock - Weather-Resistant 3 Viewing Windows Rain Cover Lockable for Outside Black 40 x 25 x 10 cm
lisetar£27.174.3★215 rev
SONGMICS Post Box Wall Mounted Letterbox Mailbox with Sloped Roof Copper Lock Cylinder Swivel Cap Viewing Windows Nameplate Easy to Install 9 x 21.8 x 31.8 cm Grey GMB032GZ01
SONGMICS£15.624.3★2,562 rev
Post Boxes Wall Mounted Waterproof Steel Mail Box with 2 Keys Lockable Weatherproof Large Letter Lostal Boxes for Outside or Door 9 x 21.5 x 32 cm size
GREABER£15.634.5★409 rev
SONGMICS Modern Mailbox Lockable Wall-Mounted Post Letter Box with Newspaper Holder Easy to Install 9.5 x 29 x 31 cm Anthracite Grey GMB055G101
SONGMICS£17.764.6★3,589 rev
SONGMICS Post Box Wall Mounted Letterbox Mailbox with Sloped Roof Copper Lock Cylinder Swivel Cap Viewing Windows Nameplate Easy to Install 9 x 21.8 x 31.8 cm Black GMB032BZ01
SONGMICS£15.714.3★2,562 rev
Newest
by launch date
Vintage Decor Black Ornate Freestanding Lockable Post Box 117cm H x 42cm W x 38cm D Letter Box Victorian Style Cast Aluminium Waterproof (Black)
Vintage Decor£82.850 rev
BELOFAY Floor Mounted Parcel Box Lockable Outdoor Parcel Delivery Box Weatherproof Steel Drop Box with Flip Lid & Secure Front Door Access Black 38.5D x 45W x 102.4Hcm
BELOFAY£88.577 rev
SONGMICS Modern Mailbox Lockable Wall-Mounted Post Letter Box with Newspaper Holder Easy to Install 9.5 x 29 x 31 cm Anthracite Grey GMB055G101
SONGMICS£17.763,589 rev
Assorted Collections Wall Mounted Post Box with Newspaper Holder Lockable with 2 Keys Modern Design Easy to Install 37x10.5x37 cm (Black)
Assorted Collections£24.875 rev
SONGMICS Post Box Wall Mounted Letterbox Mailbox with Sloped Roof Copper Lock Cylinder Swivel Cap Viewing Windows Nameplate Easy to Install 9 x 21.8 x 31.8 cm Grey GMB032GZ01
SONGMICS£15.622,562 rev
Trending
90-day click momentumBELOFAY Floor Mounted Parcel Box Lockable Outdoor Parcel Delivery Box Weatherproof Steel Drop Box with Flip Lid & Secure Front Door Access Black 38.5D x 45W x 102.4Hcm
BELOFAY£88.573.9★
Vintage Decor Black Ornate Freestanding Lockable Post Box 117cm H x 42cm W x 38cm D Letter Box Victorian Style Cast Aluminium Waterproof (Black)
Vintage Decor£82.850.0★
SONGMICS Modern Mailbox Lockable Wall-Mounted Post Letter Box with Newspaper Holder Easy to Install 9.5 x 29 x 31 cm Anthracite Grey GMB055G101
SONGMICS£17.764.6★
Assorted Collections Wall Mounted Post Box with Newspaper Holder Lockable with 2 Keys Modern Design Easy to Install 37x10.5x37 cm (Black)
Assorted Collections£24.875.0★
Vintage Decor by DWD Weatherproof Post Box Plain Design Personalisable-Lockable Heavy Duty Secure Wall Mounted Letter Mail Post Box Post for Walls/Gates/Garages.Charming (Black with Gold Post Sign)
DWD£33.184.4★
What buyers say about large post box
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality, easy to assemble”
“Easy fit”
“Excellent value for money”
“AS ADVERTISED”
“Easy to install and very sturdy”
“Easy to install”
“Built great”
“Easy to use”
“Lovely precise colour”
“Easy to mount”
What buyers complain about
“Rusts”
“Mail gets wet”
“Too small”
“not very well made”
“Not secure”
“Leaks”
“A nightmare to assemble”
“Very Wet”
“Once its mounted it doesnt move”
“The instructions are poor”
Top return reasons
Common questions
- Is large post box profitable to sell on Amazon United Kingdom?
- The niche generates £64K/yr across 90 tracked products. 7 of 19 products launched in the last 360 days are still selling. 90-day search growth is +0.6%. Flapen's verdict: Worth a look (58/100).
- How competitive is the large post box niche?
- 43 brands and 59 sellers compete. The top 5 products take 20% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in large post box?
- Top complaints mined from reviews: Rusts/Corrodes, Water Resistance, Size-Overall. The return rate is 1.4%.
- When does demand for large post box peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the large post box niche?
- Listings span £10.00–£168.98; the average listing price is £45.02 (sweet spot $15–$100). The average incumbent carries 1,049 reviews — the moat a new listing must climb.