---
title: "Shims — £62K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/shims"
last_updated: "2026-07-31T20:42:42.807Z"
locale: en
meta:
  description: "Niche score 38/100 · £62K/yr market · 89K searches/yr · £7.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 38/100 · £62K/yr market · 89K searches/yr · £7.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Shims — £62K/yr Amazon UK Niche (2026) - Flapen"
---

# **shims**

**Skip it**

Prices mostly outside the sweet spot ($4.92–$15.17) — this niche doesn't clear our bar today.

Market size 16Growth 26Conversion 85Competition 18Returns 97Price range 2Avg price 20Brand share 39Review moat 73Quality gap 21

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****9.6%**

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

**Review moat**

**Good****593.58**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****81%**

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

**Growth**

**Okay****+0.8%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Bad****£7.29**

avg listing price — sweet spot $15–$100

**Competition**

**Bad****79%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****£62K**

£62K/yr · 89K searches

**Price range**

**Bad****£4.92–£15.17**

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

**Signals**[** 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, shims is a £62K/yr Amazon United Kingdom market (89K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 38/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **shims market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**£44K–£58K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**9.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#31**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**92%**</dd>

<dt>**Sponsored**</dt><dd>**75%**</dd>

<dt>**Out of stock**</dt><dd>**0.5%**</dd>

<dt>**Avg brand age**</dt><dd>**26 months**</dd>

<dt>**Avg seller age**</dt><dd>**191 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▼falling

**Sellers**

**53**

**Top-5 brand share**

**81%**

Top 20: 100%

**Top-5 click share**

**79%**

Top 20: 100%

**Open market**

**11%**

- EVOGES40% - HuangXinyu12% - Broadfix11% - TIMCO11% - ALWAYSFIRST 4 FIXINGS8% - Nelson Wood Shims7% - Open — no brand owns it (4 brands, 11%)

## **Demand & seasonality**

Weekly Amazon search volume, last 68 weeks — +0.8% search growth over the last 90 days.

2K2KSpike '25 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/uk/business-industry-science/shims/trend)

## **Top shims search terms**

- **shims**30K/yr-6.1%6.1% conv. - **packers and shims**16K/yr-2.5%7.8% conv. - **plastic shims**12K/yr+8.0%4.9% conv. - **spacers packers**11K/yr+8.0%5.9% conv. - **shim**9K/yr+5.8%1.9% conv. - **shims for levelling**7K/yr+16.0%4.5% conv. - **door shims**3K/yr-21.5%3.2% conv. - **shims and packers**638/yr+88.1%4.3% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/shims/search-terms)

## **Top shims 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%15%£9K30%£19K45%£28K60%£37K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Evoges 28mm x 100mm Flat Plastic Glazing Packers (1-6mm) Durable Shim Spacers for DIY Home Improvement Window and Door Frame Installations (Mixed Pack of 42)](https://m.media-amazon.com/images/I/31XdLS5shGL.jpg)**Evoges 28mm x 100mm Flat Plastic Glazing Packers (1-6mm) Durable Shim Spacers for DIY Home Improvement Window and Door Frame Installations (Mixed Pack of 42)**EVOGES**£5.82**4.6★317 rev](https://www.amazon.co.uk/dp/B0DJ1976Y9) [2![72 Pcs Plastic Packers and Shims Flat Plastic Glazing Packers Plastic Shims and Packers for Door and Window Glazing Glass Packers Window and Door Spacers(100 mm x 28 mm x 1/2/3/4/5/6 mm)](https://m.media-amazon.com/images/I/31BGAplbNpL.jpg)**72 Pcs Plastic Packers and Shims Flat Plastic Glazing Packers Plastic Shims and Packers for Door and Window Glazing Glass Packers Window and Door Spacers(100 mm x 28 mm x 1/2/3/4/5/6 mm)**HuangXinyu**£5.27**4.7★60 rev](https://www.amazon.co.uk/dp/B0DP1XWJ34) [3![TIMCO Assorted Packers - Assorted colours - Colourful spacers shims plastic packers - 28mm 100 x 28 - Bag of 200](https://m.media-amazon.com/images/I/51vgjuNU0kL.jpg)**TIMCO Assorted Packers - Assorted colours - Colourful spacers shims plastic packers - 28mm 100 x 28 - Bag of 200**TIMCO**£8.56**4.6★1,564 rev](https://www.amazon.co.uk/dp/B00OTRDNN6) [4![200 MIXED Plastic Small U Shims/Packers/Pails/Horseshoe/Wedge - 55 x 43mm -//////35 of each 1mm/2mm/3mm/4mm/5mm and 25 of 6mm///////](https://m.media-amazon.com/images/I/51pOQLeUMHL.jpg)**200 MIXED Plastic Small U Shims/Packers/Pails/Horseshoe/Wedge - 55 x 43mm -//////35 of each 1mm/2mm/3mm/4mm/5mm and 25 of 6mm///////**Broadfix**£13.78**4.7★168 rev](https://www.amazon.co.uk/dp/B0768L6TTT) [5![Nelson Wood Shims - 8 Wood Shims (12 count)](https://m.media-amazon.com/images/I/41PKFacUeNL.jpg)**Nelson Wood Shims - 8 Wood Shims (12 count)**Nelson Wood Shims**£6.26**4.5★1,757 rev](https://www.amazon.co.uk/dp/B084GZ28RK)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![100pcs U Shaped Plastic Packers Assorted Shims in 6 Sizes (1mm to 6mm) for Window and Door Installation Flooring Joinery Furniture Leveling Durable Plastic Wedges for Builders & DIY Projects](https://m.media-amazon.com/images/I/41rVz4CL5UL.jpg)**100pcs U Shaped Plastic Packers Assorted Shims in 6 Sizes (1mm to 6mm) for Window and Door Installation Flooring Joinery Furniture Leveling Durable Plastic Wedges for Builders & DIY Projects**Lumivra**£4.92**17 rev1y ago](https://www.amazon.co.uk/dp/B0F9NQPLN4) [![72 Pcs Plastic Glazing Packers 28mm × 100mm Durable Shim Spacers 6 Thicknesses Window Packers Non-Slip Design Lightweight Levelling Plates for DIY Home Improvement Door Frame Installations](https://m.media-amazon.com/images/I/41cG1WKxdZL.jpg)**72 Pcs Plastic Glazing Packers 28mm × 100mm Durable Shim Spacers 6 Thicknesses Window Packers Non-Slip Design Lightweight Levelling Plates for DIY Home Improvement Door Frame Installations**YunJoyous**£5.64**15 rev1y ago](https://www.amazon.co.uk/dp/B0F8TJN5XX) [![72 Pcs Plastic Packers and Shims Flat Plastic Glazing Packers Plastic Shims and Packers for Door and Window Glazing Glass Packers Window and Door Spacers(100 mm x 28 mm x 1/2/3/4/5/6 mm)](https://m.media-amazon.com/images/I/31BGAplbNpL.jpg)**72 Pcs Plastic Packers and Shims Flat Plastic Glazing Packers Plastic Shims and Packers for Door and Window Glazing Glass Packers Window and Door Spacers(100 mm x 28 mm x 1/2/3/4/5/6 mm)**HuangXinyu**£5.27**60 rev1y ago](https://www.amazon.co.uk/dp/B0DP1XWJ34) [![100pc Assorted Plastic Packers Durable Shims in 6 Sizes (1mm to 6mm) Ideal for Leveling Spacing and Packing Perfect for Windows Doors](https://m.media-amazon.com/images/I/41UkDzCLcPL.jpg)**100pc Assorted Plastic Packers Durable Shims in 6 Sizes (1mm to 6mm) Ideal for Leveling Spacing and Packing Perfect for Windows Doors**Fizzix**£4.94**12 rev1y ago](https://www.amazon.co.uk/dp/B0DLWCDCSH) [![72 Pcs Plastic Glazing Packers 28mm x 100mm Colourful Spacers Window Packers Assorted Flat Shim Spacers for DIY Window/Door/Floor Installations (Mixed 1-6mm)](https://m.media-amazon.com/images/I/519Yc026-JL.jpg)**72 Pcs Plastic Glazing Packers 28mm x 100mm Colourful Spacers Window Packers Assorted Flat Shim Spacers for DIY Window/Door/Floor Installations (Mixed 1-6mm)**Eleechen**£5.04**112 rev1y ago](https://www.amazon.co.uk/dp/B0DJKQD8GM)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![72 Pcs Plastic Packers and Shims Flat Plastic Glazing Packers Plastic Shims and Packers for Door and Window Glazing Glass Packers Window and Door Spacers(100 mm x 28 mm x 1/2/3/4/5/6 mm)](https://m.media-amazon.com/images/I/31BGAplbNpL.jpg)**72 Pcs Plastic Packers and Shims Flat Plastic Glazing Packers Plastic Shims and Packers for Door and Window Glazing Glass Packers Window and Door Spacers(100 mm x 28 mm x 1/2/3/4/5/6 mm)**HuangXinyu**£5.27**4.7★**▲ 46%**](https://www.amazon.co.uk/dp/B0DP1XWJ34) [![100pc Assorted Plastic Packers Durable Shims in 6 Sizes (1mm to 6mm) Ideal for Leveling Spacing and Packing Perfect for Windows Doors](https://m.media-amazon.com/images/I/41UkDzCLcPL.jpg)**100pc Assorted Plastic Packers Durable Shims in 6 Sizes (1mm to 6mm) Ideal for Leveling Spacing and Packing Perfect for Windows Doors**Fizzix**£4.94**4.9★**▲ 15%**](https://www.amazon.co.uk/dp/B0DLWCDCSH) [![200 MIXED Plastic Small U Shims/Packers/Pails/Horseshoe/Wedge - 55 x 43mm -//////35 of each 1mm/2mm/3mm/4mm/5mm and 25 of 6mm///////](https://m.media-amazon.com/images/I/51pOQLeUMHL.jpg)**200 MIXED Plastic Small U Shims/Packers/Pails/Horseshoe/Wedge - 55 x 43mm -//////35 of each 1mm/2mm/3mm/4mm/5mm and 25 of 6mm///////**Broadfix**£13.78**4.7★**— 7%**](https://www.amazon.co.uk/dp/B0768L6TTT) [![Evoges 28mm x 100mm Flat Plastic Glazing Packers (1-6mm) Durable Shim Spacers for DIY Home Improvement Window and Door Frame Installations (Mixed Pack of 42)](https://m.media-amazon.com/images/I/31XdLS5shGL.jpg)**Evoges 28mm x 100mm Flat Plastic Glazing Packers (1-6mm) Durable Shim Spacers for DIY Home Improvement Window and Door Frame Installations (Mixed Pack of 42)**EVOGES**£5.82**4.6★**— 4%**](https://www.amazon.co.uk/dp/B0DJ1976Y9) [![TIMCO Assorted Packers - Assorted colours - Colourful spacers shims plastic packers - 28mm 100 x 28 - Bag of 200](https://m.media-amazon.com/images/I/51vgjuNU0kL.jpg)**TIMCO Assorted Packers - Assorted colours - Colourful spacers shims plastic packers - 28mm 100 x 28 - Bag of 200**TIMCO**£8.56**4.6★**— 2%**](https://www.amazon.co.uk/dp/B00OTRDNN6)

**~~View all trending →~~**

## **What buyers say about shims**

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

### **What buyers love **

**Value For Money**20%

*“Good value”*

**Quality-Overall**18%

*“Well made, plenty of size variety in the box”*

**Advertised Vs Actual Product**14%

*“As described. As described....does the job!!!!”*

**Size-Overall**13%

*“Good item good size did the job I got them for”*

**Ease Of Use**12%

*“Useful”*

**Thickness**10%

*“The different thicknesses were fantastic for us as we had different size gaps everywhere”*

**Portability**3%

*“Versatile”*

**Material Quality**3%

*“These are great plentiful solid stackable shims”*

**Durability**2%

*“Durable”*

**Floor Protection**2%

*“Perfect for the job fitting floor boards”*

### **What buyers complain about **

**Value For Money**20%

*“far too expensive”*

**Color**10%

*“Given the fact there is seemingly no standard colours for these things it leaves you guessing which is which”*

**Flexibility**10%

*“Splintery”*

**Strength**10%

*“arent very sturdy”*

**Quality-Overall**10%

*“Poor quality”*

**Thickness**10%

*“it seems odd that no where on them is a marking indicating their thickness”*

**Ease Of Use**7%

*“These were so hard to attach to my door”*

**Size-Overall**7%

*“So hard to fit”*

**Add-Ons/Attachments**7%

*“These were so hard to attach to my door”*

### **Top return reasons **

**Size-Overall**33%

**Functionality-Overall**9%

**Quality-Overall**9%

**Value For Money**7%

**Color**6%

**Strength**5%

**Thickness**5%

**Compatibility-Overall**5%

**Durability**5%

**Product Condition**3%

## **Common questions**

<dl>

<dt>**Is shims profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £62K/yr across 12 tracked products. 90-day search growth is +0.8%. Flapen's verdict: Skip it (38/100).</dd>

<dt>**How competitive is the shims niche?**</dt><dd>10 brands and 53 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 81% of demand.</dd>

<dt>**What do buyers complain about in shims?**</dt><dd>Top complaints mined from reviews: Value For Money, Color, Flexibility. The return rate is 0.7%.</dd>

<dt>**When does demand for shims peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the shims niche?**</dt><dd>Listings span £4.92–£15.17; the average listing price is £7.29 (sweet spot $15–$100). The average incumbent carries 594 reviews — the moat a new listing must climb.</dd>

</dl>

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