letterbox cage
Worth a lookShows low returns (1.4%), but soft demand (-20.7% this quarter) keeps it on the watch list.
Returns
Great1.4%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good663.96avg incumbent reviews — the moat a new listing must climb
Brand share
Good66%top-5 brand share — brands hold most of the demand
Avg price
Good£13.64avg listing price — sweet spot $15–$100
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Price range
Good£7.72–£23.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Market size
Okay£159K£159K/yr · 328K searches
Growth
Bad-20.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, letterbox cage is a £159K/yr Amazon United Kingdom market (328K searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
letterbox cage market data
- Units sold / yr
- 10K–13K
- avg 100–250/product
- Revenue / yr
- £136K–£171K
- units × avg price
- Conversion rate
- 3.5%
- Avg BSR
- #276
- Page quality
- 0%
- Prime
- 65%
- Sponsored
- 81%
- Out of stock
- 18.7%
- Avg brand age
- 56 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
27
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
48%
Top 20: 95%
Open market
28%
- MAMMO27%
- Maison & White11%
- REPEAK10%
- MAIL MORE9%
- MAGNA RETAIL8%
- HowseHold6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -20.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top letterbox cage search terms
- letter box catcher169K/yr
- letterbox cage48K/yr
- letter box cage23K/yr
- letter catcher13K/yr
- mail catcher10K/yr
- letter catcher for front door9K/yr
- post catcher for letterboxes indoor9K/yr
- letterbox catcher8K/yr
- dog proof letter box catcher5K/yr
- post catcher8K/yr
Top letterbox cage 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
MAMMO Letter Box Catcher Post box Mail Catcher Letterbox Cage Alternative Letter Catcher For Front Door Letter Box Cover for letters & small parcels Universal Easy Install No Tools (Clear)
MAMMO£11.254.3★952 rev
MAMMO Letter Box Catcher Post box Mail Catcher Letterbox Cage Alternative Letter Catcher For Front Door Letter Box Cover for letters & small parcels Universal Easy Install No Tools (White)
MAMMO£11.424.3★952 rev
Letterbox Cage with Fixings | Mail Catcher Cage | Iron Basket Post Catcher | Door Letter Guard | Outdoor & Indoor Holder for Letters | M&W
Maison & White£12.764.4★1,808 rev
Dog Proof Letter Catcher Bag Large Adhesive Letterbox Mail Catcher
REPEAK£10.404.3★359 rev
Mail More Front Door Letter Box Catcher No Screws - White Mail Catcher for Letterbox - Post Parcel Holder - Indoor Mail Catcher - Parcel - Bamboo Frame Post Holder - Draught Excluder
MAIL MORE£22.474.3★186 rev
Newest
by launch date
Large Letterbox Cage & Mail Catcher No-Drill Pet Safe Post Basket for uPVC Wood & Composite Doors Secure White Iron Letter Box Guard with Lift-Top
Generic£16.592 rev
Letterbox Cage | Indoor Mail Catcher | Fixings Included | White Post Holder | Large Iron Letter Box Catcher | Door Letter Box Guard | Pet-Safe Door Guard | Internal Postbox
MAGNA RETAIL£13.2615 rev
Letter Box Catcher White Post Catcher for Letterboxes Indoor No Screws Installation Large Capacity Mail Holder for Front Door 52 x 51 cm Polyester Material
XNBTFK£9.3427 rev
Letterbox Cage | Indoor Mail Catcher | No Screws or Fixings Required | White Iron Post Box Holder | Large Iron Letter Box Catcher | Post Holder
MAGNA RETAIL£18.33141 rev
Bestfor Letter Catcher - Secure Mail Holder Pet-Proof Easy to Install No Bending Needed Ideal for Elderly Durable Metal 3 Sizes for Mail Letters & Small Packages. Medium
Bestfor£13.35124 rev
Trending
90-day click momentumLarge Letterbox Cage & Mail Catcher No-Drill Pet Safe Post Basket for uPVC Wood & Composite Doors Secure White Iron Letter Box Guard with Lift-Top
Generic£16.593.0★
MAMMO Letter Box Catcher Post box Mail Catcher Letterbox Cage Alternative Letter Catcher For Front Door Letter Box Cover for letters & small parcels Universal Easy Install No Tools (Grey)
MAMMO£10.254.3★
MAMMO Letter Box Catcher Post box Mail Catcher Letterbox Cage Alternative Letter Catcher For Front Door Letter Box Cover for letters & small parcels Universal Easy Install No Tools (Clear)
MAMMO£11.254.3★
Letterbox Cage | Indoor Mail Catcher | Fixings Included | White Post Holder | Large Iron Letter Box Catcher | Door Letter Box Guard | Pet-Safe Door Guard | Internal Postbox
MAGNA RETAIL£13.264.5★
Oypla Large Letterbox Door Post Mail Catcher Basket Cage Holder Guard
Oypla£13.303.9★
What buyers say about letterbox cage
What buyers praise and complain about, mined from review topics.What buyers love
“Easy fit”
“Good quality, easy to put together”
“As advertised”
“Easy to use”
“Easy install”
“Great value for money”
“The velcro attached easily to the door”
“Well designed excellent product”
“Does the job”
“Strong”
What buyers complain about
“this will not fit”
“It won't last long i dont think”
“Definitely not dog proof”
“the sticky tape wouldn't hold”
“Very poor quality”
“its not easy to get your post out”
“Awkward to Assemble”
“Didnt work”
“Overpriced”
“fixings are a bit flimsy”
Top return reasons
Common questions
- Is letterbox cage profitable to sell on Amazon United Kingdom?
- The niche generates £159K/yr across 26 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -20.7%. Flapen's verdict: Worth a look (54/100).
- How competitive is the letterbox cage niche?
- 17 brands and 27 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in letterbox cage?
- Top complaints mined from reviews: Size-Overall, Durability, Pet Friendly. The return rate is 1.4%.
- When does demand for letterbox cage peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the letterbox cage niche?
- Listings span £7.72–£23.14; the average listing price is £13.64 (sweet spot $15–$100). The average incumbent carries 664 reviews — the moat a new listing must climb.