---
title: "Car Body Filler — £193K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/car-body-filler"
last_updated: "2026-08-09T07:23:54.020Z"
locale: en
meta:
description: "Niche score 54/100 · £193K/yr market · 240K searches/yr · £11.75 avg price. A small market ($193K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £193K/yr market · 240K searches/yr · £11.75 avg price. A small market ($193K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Car Body Filler — £193K/yr Amazon UK Niche (2026) - Flapen"
---
# **car body filler**
**Worth a look**
Shows low returns (0.4%), but a small market ($193K/yr) keeps it on the watch list.
Market size 38Growth 49Conversion 74Competition 51Returns 98Price range 44Avg price 48Brand share 48Review moat 62Quality gap 38
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****6.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,030.84**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+19.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****£11.75**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£3.63–£23.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****£193K**
£193K/yr · 240K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United Kingdom niche tracking, car body filler is a £193K/yr Amazon United Kingdom market (240K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Apr. Verdict: Worth a look — 54/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **car body filler market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£235K–£294K**
- units × avg price
- **Conversion rate**
- **6.8%**
- **Avg BSR**
- **#40**
- **Page quality**
- **0%**
- **Prime**
- **58%**
- **Sponsored**
- **42%**
- **Out of stock**
- **2.8%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **—flat
**Sellers**
**71**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 100%
**Open market**
**18%**
- SILVERHOOK36% - U-POL18% - Parts Panel9% - KKwoter7% - E-TECH6% - isopon6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +19.4% search growth over the last 90 days.
6K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/uk/automotive/car-body-filler/trend)
## **Top car body filler search terms**
- **car body filler**89K/yr+22.1%7.4% conv. - **body filler**37K/yr+14.0%6.7% conv. - **car body filler repair kit**24K/yr+14.9%6.4% conv. - **car filler for bodywork**18K/yr+15.8%8.3% conv. - **car filler**16K/yr+10.7%6.7% conv. - **p38 body filler**10K/yr+22.6%9.0% conv. - **isopon p38 body filler**8K/yr+41.2%8.7% conv. - **car body repair kit**7K/yr+57.1%2.1% conv. - **big boy body filler**6K/yr+50.2%9.8% conv. - **upol body filler**6K/yr-0.9%4.5% conv. [**All search terms **](https://flapen.com/research/uk/automotive/car-body-filler/search-terms)
## **Top car body filler 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%10%£19K20%£39K30%£58K40%£77K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Silverhook Big Boy Body Filler 250ml Ultra Fine Lightweight**SILVERHOOK**£6.95**4.6★5,382 rev](https://www.amazon.co.uk/dp/B00C9D5T70) [2**U-POL Isopon Easy Sand Bodyfiller P38 250ml Repairs Damaged Body Panels On Vehicles Fills Minor Scratches Or Serious Dents Used on Bare Steel And Original Paint**U-POL**£6.93**4.6★696 rev](https://www.amazon.co.uk/dp/B074KGYS8P) [3**U Pol P38 Easy Sand Body Filler Paste 250ml | Two Part Polyester Car Repair Kit for Dents Scratches Holes | Paintable Smooth Finish | Metal & GRP Compatible**Parts Panel**£10.35**4.6★112 rev](https://www.amazon.co.uk/dp/B0F8WCW52R) [4**KKwoter 3PCS Car Body Filler Repair Kit: Includes Car Paint Scratch Filler Putty Car Dent Filler Putty and Quick Dry Automotive Paint Chip Repair Filler Kits for deep scratches peeling paint**KKwoter**£3.82**3.8★118 rev](https://www.amazon.co.uk/dp/B0DH4QLRYH) [5**All Types Of Vehicle Anti Rust Dent Gouge Splits & Scratch Repair Advanced Body Filler (685g Filler/15g Hardener)**E-TECH**£11.81**4.6★450 rev](https://www.amazon.co.uk/dp/B00CEB4MIE)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**U Pol P38 Easy Sand Body Filler Paste 250ml | Two Part Polyester Car Repair Kit for Dents Scratches Holes | Paintable Smooth Finish | Metal & GRP Compatible**Parts Panel**£10.35**112 rev10mo ago](https://www.amazon.co.uk/dp/B0F8WCW52R) [**HOCHSTE U Pol P38 Easy Sand Body Filler Car Body Repair Kit with Hardener for Metal GRP and Paint Two-Part Polyester Paste for Dents Scratches Holes Smooth Finish Paintable Surface Red 250ml**HOCHSTE**£13.23**11 rev1y ago](https://www.amazon.co.uk/dp/B0F5R8TWYJ) [**HOCHSTE U Pol P38 Easy Sand Body Filler Car Body Repair Kit with Hardener for Metal GRP and Paint Two-Part Polyester Paste for Dents Scratches Holes Smooth Finish Paintable Surface Red 600ml**HOCHSTE**£21.54**11 rev1y ago](https://www.amazon.co.uk/dp/B0F5RQJZN1) [**KKwoter 3PCS Car Body Filler Repair Kit: Includes Car Paint Scratch Filler Putty Car Dent Filler Putty and Quick Dry Automotive Paint Chip Repair Filler Kits for deep scratches peeling paint**KKwoter**£3.82**118 rev1y ago](https://www.amazon.co.uk/dp/B0DH4QLRYH) [**Silverhook Big Boy Metal Filler Conductive 250ml Bundle Car Body Filler & Body Filler Kit Includes 3 Spreaders 10pcs Assorted Sandpaper A Microfibre Cloth A Pair Of Gloves And A Dust Mask**JBL General**£15.71**35 rev1y ago](https://www.amazon.co.uk/dp/B0DFMC7YJ9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HOCHSTE U Pol P38 Easy Sand Body Filler Car Body Repair Kit with Hardener for Metal GRP and Paint Two-Part Polyester Paste for Dents Scratches Holes Smooth Finish Paintable Surface Red 250ml**HOCHSTE**£13.23**4.7★**▲ 159%**](https://www.amazon.co.uk/dp/B0F5R8TWYJ) [**Silverhook Big Boy Ultra Fine Body Filler 600ml**SILVERHOOK**£12.57**4.6★**▲ 106%**](https://www.amazon.co.uk/dp/B007Z4GW5Q) [**HOCHSTE U Pol P38 Easy Sand Body Filler Car Body Repair Kit with Hardener for Metal GRP and Paint Two-Part Polyester Paste for Dents Scratches Holes Smooth Finish Paintable Surface Red 600ml**HOCHSTE**£21.54**4.7★**▲ 86%**](https://www.amazon.co.uk/dp/B0F5RQJZN1) [**JENOLITE Primer Filler Spray Paint | WHITE | High Fill Multi-Surface Primer Paint | Fills Small Dents & Scratches | Perfect For Car Bodywork 3D Printer Models & More | 400ml**JENOLITE**£10.55**4.4★**▲ 40%**](https://www.amazon.co.uk/dp/B08VHKMD67) [**SILVERHOOK Big Boy Structural Hole Filler 250ml With Fibreglass**SILVERHOOK**£7.83**4.6★**▲ 33%**](https://www.amazon.co.uk/dp/B007Z4ODFW)
**~~View all trending →~~**
## **What buyers say about car body filler**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“Excellent product”*
**Ease Of Use**20%
*“Easy to use”*
**Advertised Vs Actual Product**12%
*“Just the job”*
**Value For Money**10%
*“value for money”*
**Maintenance And Repair**5%
*“Did my repair just fine”*
**Paint Quality**4%
*“accepts paint readily”*
**Lubrication**3%
*“Dried quick and set like a rock so great for what we wanted”*
**Soft Feel**3%
*“Once done, the filler felt smooth and blended well with the rest of the car body”*
**Rusts/Corrodes**3%
*“Anti rust filler”*
**Flexibility**3%
*“it becomes a very versatile product with numerous uses”*
### **What buyers complain about **
**Smell**17%
*“Best used in the fresh air as it has a reasonably pungent chemical odour”*
**Value For Money**10%
*“Expensive really for the amount”*
**Quality-Overall**9%
*“Rubbish”*
**Heating**7%
*“best warmed in hot water as its takes an age to get out of the tube”*
**Advertised Vs Actual Product**7%
*“Misleading, rubbish”*
**Functionality-Overall**6%
*“didn't stay even though area was prepared correctly”*
**Ease Of Cleaning**5%
*“cleaned thoroughly it's just fell off literally”*
**Metal Quality**3%
*“Fills holes in metal”*
**Adhesion/Stickiness**3%
*“Sticks like glue”*
**Thickness**2%
*“The filler comes out very thin - it has the consistency of thick cream”*
### **Top return reasons **
**Functionality-Overall**13%
**Hard Feel**8%
**Size-Overall**7%
**Paint Quality**6%
**Color**6%
**Leak-Proof**6%
**Defective Material/Parts**6%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**6%
**Maintenance And Repair**4%
## **Common questions**
- **Is car body filler profitable to sell on Amazon United Kingdom?**
- The niche generates £193K/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +19.4%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the car body filler niche?**
- 12 brands and 71 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in car body filler?**
- Top complaints mined from reviews: Smell, Value For Money, Quality-Overall. The return rate is 0.4%.
- **When does demand for car body filler peak?**
- Demand peaks in Apr; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the car body filler niche?**
- Listings span £3.63–£23.89; the average listing price is £11.75 (sweet spot $15–$100). The average incumbent carries 1,031 reviews — the moat a new listing must climb.
## **Related niches in Automotive**
- 66 [**conservatory roof cleaner**](https://flapen.com/research/uk/automotive/conservatory-roof-cleaner)£161K/yr+19.9%**Worth a look**- 66 [**12v water pump**](https://flapen.com/research/uk/automotive/12v-water-pump)£149K/yr+67.3%**Worth a look**- 66 [**car flags**](https://flapen.com/research/uk/automotive/car-flags)£60K/yr>1,000%**Worth a look**- 67 [**ac recharge kit**](https://flapen.com/research/uk/automotive/ac-recharge-kit)£241K/yr>1,000%**Worth a look**- 67 [**jockey wheel**](https://flapen.com/research/uk/automotive/jockey-wheel)£182K/yr+52.3%**Worth a look**- 67 [**car jack**](https://flapen.com/research/uk/automotive/car-jack)£873K/yr+21.6%**Launch it**[**All Automotive niches **](https://flapen.com/research/uk/automotive)