---
title: "Fibreglass Repair Kit — £134K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/fibreglass-repair-kit"
last_updated: "2026-08-09T12:49:00.766Z"
locale: en
meta:
description: "Niche score 57/100 · £134K/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 57/100 · £134K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fibreglass Repair Kit — £134K/yr Amazon UK Niche (2026) - Flapen"
---
# **fibreglass repair kit**
**Worth a look**
Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 30Growth 47Conversion 75Competition 41Returns 98Price range 72Avg price 67Brand share 47Review moat 81Quality gap 63
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****371.95**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****7.1%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****£6.57–£36.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£14.02**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+18.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****£134K**
£134K/yr · 135K searches
According to Flapen's Amazon United Kingdom niche tracking, fibreglass repair kit is a £134K/yr Amazon United Kingdom market (135K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 57/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fibreglass repair kit market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **£112K–£140K**
- units × avg price
- **Conversion rate**
- **7.1%**
- **Avg BSR**
- **#133**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **48%**
- **Out of stock**
- **6.0%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 99%
**Open market**
**18%**
- Swindon Composite Supplies29% - SILVERHOOK22% - VIKEYTIM11% - Bargainstore8% - David's7% - WEILAOK5% - Open — no brand owns it (7 brands, 18%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +18.0% search growth over the last 90 days.
4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/uk/automotive/fibreglass-repair-kit/trend)
## **Top fibreglass repair kit search terms**
- **fibreglass repair kit**51K/yr+33.3%8.0% conv. - **fiberglass repair kits**22K/yr+11.7%7.0% conv. - **fibre glass repair kits**16K/yr+2.4%8.1% conv. - **fibreglass kit**15K/yr+11.9%4.4% conv. - **fibreglass**8K/yr+4.0%1.9% conv. - **fiberglass kit**6K/yr+1.6%4.6% conv. - **fiber glass repair kits**4K/yr+7.4%5.6% conv. - **fiberglass repair kit**4K/yr+44.1%4.4% conv. - **glass fibre repair kit**4K/yr-0.6%11.0% conv. - **fibre glass**3K/yr+13.8%2.2% conv. [**All search terms **](https://flapen.com/research/uk/automotive/fibreglass-repair-kit/search-terms)
## **Top fibreglass repair kit 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%5%£7K10%£13K15%£20K20%£27K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Silverhook BIGK1 Big Boy Glass Fibre Resin Repair Kit**SILVERHOOK**£10.11**4.5★1,412 rev](https://www.amazon.co.uk/dp/B003N0LDO6) [2**Swindon Composite Supplies : Fibreglass Resin Repair Kit - 1 Sq M of Fibreglass Matting 1kg Polyester Value Resin - GRP Roofing Ponds Laminating by Swindon Composite Supplies (1000 Grams)**Swindon Composite Supplies**£13.71**4.7★198 rev](https://www.amazon.co.uk/dp/B0CZS7VFK3) [3**VIKEYTIM Marine Fiberglass Repair Kit (Color Match) 100g Gel Coat Repair Kit for Boats Fiberglass Repair Fix Holes Chips Deep Cracks Ceramic Porcelain Fiberglass Filler**VIKEYTIM**£12.89**4.2★344 rev](https://www.amazon.co.uk/dp/B0DCF8WL7Y) [4**Bargainstore Glass Fibre Kit Car Boat Caravan Repair Resin Fastglas Hardener Matting**Bargainstore**£11.90**4.6★60 rev](https://www.amazon.co.uk/dp/B09BK5DMX7) [5**Davids Fastglas Glass Fibre Kit Car Boat Caravan Repair U-Pol Fastglass Resin polyester resin kit containing resin hardener glass fibre mixing cup and protective gloves**David's**£11.31**4.5★1,170 rev](https://www.amazon.co.uk/dp/B01B85H5C6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fibreglass Repair Kit Fibre Glass Repair Kits Fibreglass Kit Include 1 Sq M of Fibre glass Matting 200g Resin 100g Hardener and Others Suitable for Boat Auto and Home repairs**AllisWay**£16.33**1 rev4mo ago](https://www.amazon.co.uk/dp/B0GS98FMJR) [**Fibreglass Repair Kit Fibre Glass Repair Kits with 1 Sq M of Fibreglass Matting Polyester Resin and Hardener for Repairing Vehicle Ships Bathtubs Swimming Pools Wall Repair Wet Layup**Allony**£16.57**4 rev4mo ago](https://www.amazon.co.uk/dp/B0GQSZM5YB) [**Fibreglass Repair Kit Fibre Glass Repair Kits fibreglass Kit Fibreglas Resin 300ml + 1 Square Meter 300g Fiberglass Mat - for Repairing Ships Surfboard Pipes and Other Surfaces**WEILAOK**£15.83**6 rev4mo ago](https://www.amazon.co.uk/dp/B0GQL3TBFS) [**Fiberglass Repair Kit (Color Match) Shower Tray Repair Kit- Bath Repair Kit White Bathtub and Sink Repairs Kits for Chips Dents Cracks Holes Scratchs**PLACHIDAY**£7.82**2 rev5mo ago](https://www.amazon.co.uk/dp/B0GMBT6SWD) [**Carbon fiber adhesive A carbon fiber adhesive B for Reinforcing and Repairing Cars Motorcycles Boats Paddleboards and Bicycles**WEILAOK**£13.89**12 rev8mo ago](https://www.amazon.co.uk/dp/B0G2Q7FXDX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fibreglass Repair Kit Fibre Glass Repair Kits with 1 Sq M of Fibreglass Matting Polyester Resin and Hardener for Repairing Vehicle Ships Bathtubs Swimming Pools Wall Repair Wet Layup**Allony**£16.57**3.7★**▲ 214%**](https://www.amazon.co.uk/dp/B0GQSZM5YB) [**Fibreglass Repair Kit Fibre Glass Repair Kits fibreglass Kit Fibreglas Resin 300ml + 1 Square Meter 300g Fiberglass Mat - for Repairing Ships Surfboard Pipes and Other Surfaces**WEILAOK**£15.83**4.1★**▲ 213%**](https://www.amazon.co.uk/dp/B0GQL3TBFS) [**Fibreglass Repair Kit Fibre Glass Repair Kits Fibreglass Kit Include 1 Sq M of Fibre glass Matting 200g Resin 100g Hardener and Others Suitable for Boat Auto and Home repairs**AllisWay**£16.33**5.0★**▲ 213%**](https://www.amazon.co.uk/dp/B0GS98FMJR) [**Ealyder Tape 50mm x 27 4m Transparent Reinforced Fiberglass Tape 170mic Filament Strapping Tape Adhesive Heavy Duty**Ealyder Tape**£6.57**4.7★**▲ 198%**](https://www.amazon.co.uk/dp/B0FYFP26LH) [**Fiberglass Repair Kit (Color Match) Shower Tray Repair Kit- Bath Repair Kit White Bathtub and Sink Repairs Kits for Chips Dents Cracks Holes Scratchs**PLACHIDAY**£7.82**3.0★**▲ 146%**](https://www.amazon.co.uk/dp/B0GMBT6SWD)
**~~View all trending →~~**
## **What buyers say about fibreglass repair kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Excellent kit”*
**Ease Of Use**19%
*“It looks fairly straightforward to use”*
**Advertised Vs Actual Product**14%
*“Exactly as advertised great item”*
**Value For Money**11%
*“Priced well”*
**Maintenance And Repair**6%
*“provided a solid repair for my car wing”*
**Size-Overall**5%
*“Good size for what I needed”*
**Instructions/User Manual/Troubleshooting**3%
*“the instructions are clear”*
**Material Quality**3%
*“Good quality item with plenty of fiber glass matting”*
**Strength**3%
*“is quite strong in that respect”*
**Functionality-Overall**2%
*“As expected big boy stuff works really well”*
### **What buyers complain about **
**Adhesion/Stickiness**15%
*“Sticks like glue”*
**Quality-Overall**13%
*“Garbage”*
**Instructions/User Manual/Troubleshooting**11%
*“NO English instructions-”*
**Color**7%
*“the first attempt ended up as orange”*
**Size-Overall**5%
*“Too small was expecting more”*
**Value For Money**5%
*“It's a waste of money”*
**Maintenance And Repair**5%
*“There was no glass fibre fabric included in the kit so it is impossible to do any repairs”*
**Material Quality**5%
*“Carbon good, resin poor”*
**Ease Of Cleaning**3%
*“cheap disposable brushes as I haven't found a way of cleaning the supplied one”*
**Drying Time**3%
*“would liked it to dry quicker. took ages”*
### **Top return reasons **
**Defective Material/Parts**12%
**Maintenance And Repair**12%
**Leak-Proof**11%
**Size-Overall**9%
**Compatibility-Overall**7%
**Smell**6%
**Instructions/User Manual/Troubleshooting**6%
**Value For Money**6%
**Water Resistance**5%
**Functionality-Overall**4%
## **Common questions**
- **Is fibreglass repair kit profitable to sell on Amazon United Kingdom?**
- The niche generates £134K/yr across 21 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +18.0%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the fibreglass repair kit niche?**
- 13 brands and 48 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in fibreglass repair kit?**
- Top complaints mined from reviews: Adhesion/Stickiness, Quality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 0.3%.
- **When does demand for fibreglass repair kit peak?**
- Demand peaks in Apr–May; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the fibreglass repair kit niche?**
- Listings span £6.57–£36.29; the average listing price is £14.02 (sweet spot $15–$100). The average incumbent carries 372 reviews — the moat a new listing must climb.
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