---
title: "Damp Proof Membrane — £82K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/damp-proof-membrane"
last_updated: "2026-07-31T08:40:44.707Z"
locale: en
meta:
description: "Niche score 60/100 · £82K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · £82K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Damp Proof Membrane — £82K/yr Amazon UK Niche (2026) - Flapen"
---
# **damp proof membrane**
**Worth a look**
Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 20Growth 36Conversion 54Competition 76Returns 97Price range 75Avg price 61Brand share 82Review moat 79Quality gap 57
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****53%**
top-5 brand share — no brand owns this niche
**Review moat**
**Great****414.56**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****39%**
top-5 click share — an open shelf
**Price range**
**Great****£4.18–£46.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£13.29**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+9.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£82K**
£82K/yr · 138K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, damp proof membrane is a £82K/yr Amazon United Kingdom market (138K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 60/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **damp proof membrane market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£80K–£106K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#717**
- **Page quality**
- **0%**
- **Prime**
- **59%**
- **Sponsored**
- **78%**
- **Out of stock**
- **7.7%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
**Brands**
**23 **▲rising
**Sellers**
**45**
**Top-5 brand share**
**53%**
Top 20: 98%
**Top-5 click share**
**39%**
Top 20: 83%
**Open market**
**40%**
- Silver Star13% - B2C12% - VISQUEEN10% - Bond It9% - CHESTAF8% - PROMORE7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.1% search growth over the last 90 days.
4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/damp-proof-membrane/trend)
## **Top damp proof membrane search terms**
- **damp proof membrane**58K/yr+8.3%4.4% conv. - **dpm membrane**19K/yr+17.2%4.5% conv. - **dpm**12K/yr+10.5%2.8% conv. - **waterproof membrane**12K/yr-9.9%2.4% conv. - **visqueen sheeting**8K/yr+44.2%5.3% conv. - **dpc membrane**7K/yr+8.3%5.1% conv. - **visqueen**6K/yr+19.8%4.6% conv. - **waterproof membrane for sheds**5K/yr+27.2%1.6% conv. - **damp proof membrane roll**5K/yr-15.0%5.3% conv. - **dampproof membrane**4K/yr+7.7%3.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/damp-proof-membrane/search-terms)
## **Top damp proof membrane 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%3%£2K6%£5K9%£7K12%£10K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Visqueen Damp Proof Membrane 300MU Black 4m x 3m**VISQUEEN**£9.60**4.6★326 rev](https://www.amazon.co.uk/dp/B00VRF9HAG) [2**Bond-It Damp Proof Course (DPC) Membrane 100mm X 30 Metre roll - Flexible Durable Safe and Clean to Handle Meets BS6515. Embossed to Assist Mortar Adhesion - Cost Effective dpc Black DPC100**Bond It**£6.04**4.7★753 rev](https://www.amazon.co.uk/dp/B006UHJU5I) [3**4 x 5M Black Plastic Sheeting Heavy Duty 1850G Thick Polythene Sheeting**PROMORE**£15.37**4.4★485 rev](https://www.amazon.co.uk/dp/B09W9SH96V) [4**Damp Proof Membrane Black Polythene Sheeting Roll DPM B2C 5m Wide 300MU Various Lengths 1m - 25m (10m x 5m)**B2C**£27.38**4.4★329 rev](https://www.amazon.co.uk/dp/B094YFS3YT) [5**KAHEIGN 2m x 10m Black Polythene Sheeting 0.3mm Thick Garden Grow Polytunnel Cover Polythene Horticultural Membrane for Gardening Insulation & Building Rubble Protection (125Mu /500G)**KAHEIGN**£14.45**4.4★1,571 rev](https://www.amazon.co.uk/dp/B08YXBXCS4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TEYIAN 2 x 3M Heavy Duty Polythene Plastic Sheeting Thickened Plastic Dust Sheets Garden Grow Polythene Cover Sheets Dustproof Waterproof - Black**TEYIAN**£7.17**70 rev9mo ago](https://www.amazon.co.uk/dp/B0FVS7L7HJ) [**Black Heavy Duty Polythene Sheeting Extra Thick Waterproof Plastic Cover Garden Grow Horticultural Membrane for Gardening Building Insulation & Rubble Protection Dustproof Ground Sheet (2m x 3m)**Duzlee**£8.44**135 rev1y ago](https://www.amazon.co.uk/dp/B0F85DLJ6H) [**CHESTAF 2M X 6M Black Plastic Sheeting Heavy Duty 1100G Thick Polythene Sheeting Garden Grow Dust Sheet Waterproof Outdoor Cover Large Construction Gardening Insulation Building Rubble Protection**CHESTAF**£13.05**231 rev1y ago](https://www.amazon.co.uk/dp/B0DXCNH4J8) [**CHESTAF 2M X 10M Black Plastic Sheeting Heavy Duty 1850G Thick Polythene Sheeting Garden Grow Dust Sheet Waterproof Outdoor Cover Large Construction Gardening Insulation Building Rubble Protection**CHESTAF**£17.79**231 rev1y ago](https://www.amazon.co.uk/dp/B0DXCPMMQ5) [**CHESTAF 2M X 3M Black Plastic Sheeting Heavy Duty 550G Thick Polythene Sheeting Garden Grow Dust Sheet Waterproof Outdoor Cover Large Construction Gardening Insulation Building Rubble Protection**CHESTAF**£9.03**231 rev1y ago](https://www.amazon.co.uk/dp/B0DXCPG4XQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CHESTAF 2M X 6M Black Plastic Sheeting Heavy Duty 1100G Thick Polythene Sheeting Garden Grow Dust Sheet Waterproof Outdoor Cover Large Construction Gardening Insulation Building Rubble Protection**CHESTAF**£13.05**4.6★**▲ 108%**](https://www.amazon.co.uk/dp/B0DXCNH4J8) [**CHESTAF 2M X 10M Black Plastic Sheeting Heavy Duty 1850G Thick Polythene Sheeting Garden Grow Dust Sheet Waterproof Outdoor Cover Large Construction Gardening Insulation Building Rubble Protection**CHESTAF**£17.79**4.6★**▲ 76%**](https://www.amazon.co.uk/dp/B0DXCPMMQ5) [**TEYIAN 2 x 3M Heavy Duty Polythene Plastic Sheeting Thickened Plastic Dust Sheets Garden Grow Polythene Cover Sheets Dustproof Waterproof - Black**TEYIAN**£7.17**4.6★**▲ 64%**](https://www.amazon.co.uk/dp/B0FVS7L7HJ) [**2M X 4M Black Heavy Duty Polythene Plastic Sheeting 700g Thickened Garden Grow Polythene Cover Sheets for Gardening Insulation and Building Rubble Protection**GSHUR**£10.69**4.5★**▲ 46%**](https://www.amazon.co.uk/dp/B0CF1Q9L43) [**Silver Star Damp Proof Membrane 500 x 100 cm 1200 Gauge Polythene Sheet Mineral Material Rectangular BS EN 13707 Certified (Black 1m x 4m)**Silver Star**£7.73**4.5★**▲ 45%**](https://www.amazon.co.uk/dp/B0DGF9Y8SX)
**~~View all trending →~~**
## **What buyers say about damp proof membrane**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“I also appreciated how consistent the quality feels across the whole sheet”*
**Value For Money**13%
*“reasonable priced”*
**Strength**13%
*“Not much you can say, its strong and easy to cut to shape”*
**Advertised Vs Actual Product**12%
*“Did as advertised”*
**Thickness**9%
*“Decent thick plastic”*
**Material Quality**7%
*“the darker heavy-duty material feels more substantial”*
**Ease Of Use**5%
*“easy to use”*
**Size-Overall**4%
*“It was a fit for covering my garden area”*
**Durability**2%
*“Perfect cover-all plastic sheeting with a bit of give to aid longevity”*
**Smell**2%
*“Amazing smells great on doggos even a week after”*
### **What buyers complain about **
**Thickness**31%
*“Thickness of sheeting”*
**Material Quality**14%
*“Black and made of plastic”*
**Advertised Vs Actual Product**9%
*“Completely unfit for advertised use”*
**Weight Heavy**7%
*“Not heavy duty”*
**Value For Money**4%
*“just thought it was a little expensive”*
**Smell**4%
*“this smells nothing like it”*
**Size-Overall**2%
*“it actually measured 4 x 1.9 metres very unhappy with this because it wasent big enough for the job it was intended for”*
**Measurement/Reading Accuracy**2%
*“it actually measured 4 x 1.9 metres very unhappy with this because it wasent big enough for the job it was intended for”*
**Color**2%
*“Black and made of plastic”*
**Stretchability/Expandability/Elasticity**2%
*“Absolutely shockingly thin stretchy”*
### **Top return reasons **
**Thin**20%
**Size-Overall**20%
**Advertised Vs Actual Product**8%
**Paint Quality**7%
**Quality-Overall**7%
**Color**6%
**Thickness**4%
**Material Quality**3%
**Compatibility-Overall**3%
**Value For Money**3%
## **Common questions**
- **Is damp proof membrane profitable to sell on Amazon United Kingdom?**
- The niche generates £82K/yr across 41 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +9.1%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the damp proof membrane niche?**
- 23 brands and 45 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 53% of demand.
- **What do buyers complain about in damp proof membrane?**
- Top complaints mined from reviews: Thickness, Material Quality, Advertised Vs Actual Product. The return rate is 0.5%.
- **When does demand for damp proof membrane peak?**
- Demand peaks in Apr–May; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the damp proof membrane niche?**
- Listings span £4.18–£46.73; the average listing price is £13.29 (sweet spot $15–$100). The average incumbent carries 415 reviews — the moat a new listing must climb.
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