Is letter box draft excluder internal profitable to sell on Amazon United Kingdom?

The niche generates £39K/yr across 25 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -64.7%. Flapen's verdict: Skip it (35/100).

How competitive is the letter box draft excluder internal niche?

13 brands and 24 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in letter box draft excluder internal?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Durability. The return rate is 5.5% — above our launch gate.

When does demand for letter box draft excluder internal peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 3.7× the quietest.

What does it cost to enter the letter box draft excluder internal niche?

Listings span £4.98–£14.96; the average listing price is £8.72 (sweet spot $15–$100). The average incumbent carries 570 reviews — the moat a new listing must climb.

letter box draft excluder internal

Skip it

Soft demand (-64.7% this quarter) — this niche doesn't clear our bar today.

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good570.04

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.8%

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

Competition

Good51%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Avg price

Bad£8.72

avg listing price — sweet spot $15–$100

Returns

Bad5.5%

return rate — above 5% kills the launch gate

Market size

Bad£39K

£39K/yr · 93K searches

Growth

Bad-64.7%

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

Price range

Bad£4.98–£14.96

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

Signals High Returns

According to Flapen's Amazon United Kingdom niche tracking, letter box draft excluder internal is a £39K/yr Amazon United Kingdom market (93K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 35/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

letter box draft excluder internal market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: £26K–£35K; units × avg price
Conversion rate: 4.8%
Avg BSR: #168
Page quality: 0%
Prime: 96%
Sponsored: 52%
Out of stock: 2.5%
Avg brand age: 42 months
Avg seller age: 180 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

51%

Top 20: 95%

Open market

17%

STORMGUARD49%
ZAVIA13%
Navoys7%
Newthinking5%
Merriway5%
Zhujiehigh4%
Open — no brand owns it (7 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -64.7% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 3.7×

Open Trend

Top letter box draft excluder internal search terms

internal letterbox draught excluder18K/yr -60.9%2.2% conv.
letterbox draught excluder28K/yr -78.8%2.3% conv.
letter box draught excluder internal25K/yr -79.5%5.7% conv.
letter box cover internal3K/yr +55.8%2.5% conv.
internal letter box draught excluder6K/yr -29.4%2.5% conv.
letterbox cover internal4K/yr -17.8%4.2% conv.
internal letter box cover4K/yr -27.5%2.0% conv.
letter box draft excluder internal5K/yr -37.2%5.7% conv.
letterbox draught excluder internal742/yr -84.8%6.3% conv.

All search terms

Top letter box draft excluder internal 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

STORMGUARD 06SR0150000W Internal PVC Letter Box Brush Cover-White External dimentions 335mm x 75mm Aperture 279mm x45mm White

STORMGUARD£4.984.4★1,802 rev

Internal Letter Box Draught Excluder Cover With Brushes & Flap - White PVC

STORMGUARD£5.524.2★2,032 rev

Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wooden or uPVC Doors - White with Flap

ZAVIA£9.074.1★208 rev

Internal Letterbox Draught Excluder with Black Bristles - White PVC External Size - 34.2 x 7.9 x 0.8 cm 28.1 x 4.6 cm Internal Aperture

Navoys£5.794.8★7 rev

Newthinking Internal Letter Box Brush Cover White Letterbox Cover Draught Excluder with Brush Aluminium Letter Box Draft excluder Suitable for Home mailboxes

Newthinking£8.154.4★23 rev

Newest

by launch date

Internal Letterbox Draught Excluder 11.5 Inch Metal Letter Box Cover Flap Plate Seal Adjustable Chrome Replacement Letter Box for Wood or uPVC Doors (Silver)

SCDZY£8.876 rev

7mo ago

11.5 Inch Internal Letter Box Flap & Draught Excluder (29.3 cm) - Letterbox Cover Internals Letter Plate for Wooden or uPVC Doors

Zhujiehigh£8.2611 rev

8mo ago

Internal Letterbox Draught Excluder with Black Bristles - White PVC External Size - 34.2 x 7.9 x 0.8 cm 28.1 x 4.6 cm Internal Aperture

Navoys£5.797 rev

10mo ago

Internal Letterbox Draught Excluder 11.5 Inch (29.2cm) Metal Letter Box Cover Flap Plate Seal Adjustable Chrome Replacement Letter Box for Wood or uPVC Doors Composite Front Doors (Gold)

SCDZY£8.1814 rev

12mo ago

KWJEIULSOQ Letter Box Flap 11.5In - Letterbox Cover with Brush Silver

KWJEIULSOQ£6.9318 rev

1y ago

What buyers say about letter box draft excluder internal

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

What buyers love

Quality-Overall27%

“This letterbox cover is good quality”

Size-Overall20%

“Perfect fit”

Value For Money15%

“Great value”

Advertised Vs Actual Product8%

“Does what I need”

Strength5%

“not too flimsy”

Assembly/Installation4%

“Easy to install”

Design-Overall3%

“looks so much classier on the door”

Ease Of Cleaning2%

“Clean & smart looking”

Ease Of Use2%

“This went on easy”

Functionality-Overall2%

“it still does the job”

What buyers complain about

Quality-Overall22%

“Absolute rubbish”

Size-Overall12%

“just the wrong size for my letter box”

Durability9%

“Letter box not fit for purpose after 12 months”

Functionality-Overall7%

“Not effectiv”

Assembly/Installation6%

“The screws were very difficult to fix the two halves together”

Value For Money6%

“Worst £12.49 I ever spent”

Instructions/User Manual/Troubleshooting3%

“no instructions in the box”

Strength3%

“Very weak plastic corners”

Material Quality3%

“its plastic after all”

Frame Quality2%

“The frame FEELS like plastic”

Top return reasons

Size-Overall71%

Color7%

Compatibility-Overall5%

Defective Material/Parts5%

Quality-Overall3%

Functionality-Overall2%

Material Quality1%

Strength1%

Thickness1%

Advertised Vs Actual Product1%

Common questions

Is letter box draft excluder internal profitable to sell on Amazon United Kingdom?: The niche generates £39K/yr across 25 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -64.7%. Flapen's verdict: Skip it (35/100).
How competitive is the letter box draft excluder internal niche?: 13 brands and 24 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in letter box draft excluder internal?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Durability. The return rate is 5.5% — above our launch gate.
When does demand for letter box draft excluder internal peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 3.7× the quietest.
What does it cost to enter the letter box draft excluder internal niche?: Listings span £4.98–£14.96; the average listing price is £8.72 (sweet spot $15–$100). The average incumbent carries 570 reviews — the moat a new listing must climb.