---
title: "Black and Decker Strimmer Spool — £51K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/black-and-decker-strimmer-spool"
last_updated: "2026-07-31T18:47:49.331Z"
locale: en
meta:
description: "Niche score 59/100 · £51K/yr market · 67K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · £51K/yr market · 67K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Black and Decker Strimmer Spool — £51K/yr Amazon UK Niche (2026) - Flapen"
---
# **black and decker strimmer spool**
**Worth a look**
Shows demand growing +295.1% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 13Growth 100Conversion 87Competition 47Returns 98Price range 0Avg price 21Brand share 50Review moat 56Quality gap 75
**Growth**
**Incredible****+295.1%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,257**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****75%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Bad****£7.57**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£51K**
£51K/yr · 67K searches
**Price range**
**Bad****£4.14–£10.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United Kingdom niche tracking, black and decker strimmer spool is a £51K/yr Amazon United Kingdom market (67K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 59/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black and decker strimmer spool market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£45K–£61K**
- units × avg price
- **Conversion rate**
- **10.1%**
- **Avg BSR**
- **#103**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **74%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**49**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 97%
**Open market**
**20%**
- BLACK+DECKER36% - CKCSHI20% - Toumett8% - Wlleoaa6% - Uchidodo5% - Poweka5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +295.1% search growth over the last 90 days.
5K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 79.1×
[**Open Trend **](https://flapen.com/research/uk/home-garden/black-and-decker-strimmer-spool/trend)
## **Top black and decker strimmer spool search terms**
- **black and decker strimmer spool**35K/yr+343.3%9.1% conv. - **black and decker strimmer line**11K/yr+259.4%7.3% conv. - **black and decker strimmer parts**7K/yr+185.3%2.8% conv. - **black and decker strimmer wire**6K/yr+233.8%7.2% conv. - **strimmer wire black and decker**4K/yr+372.5%9.8% conv. - **black & decker strimmer spool**4K/yr+285.8%7.2% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/black-and-decker-strimmer-spool/search-terms)
## **Top black and decker strimmer spool 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%£3K10%£5K15%£8K20%£10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CKCSHI 3pcs Spool Trimmer Spool & Line Compatible with Black Decker Replace AF-100 ST5530-GB GLC3630L20-GB STC1820PC-GB BESTA530-GB BESTA525-GB (With 1 Cap 1 Spring)**CKCSHI**£6.49**4.5★223 rev](https://www.amazon.co.uk/dp/B0CZ7DG3CZ) [2**BLACK+DECKER Spool and Line 10 m for Reflex Strimmer Nylon Wire 1.6 mm Diameter Transparent and Resistant A6481-XJ**BLACK+DECKER**£5.16**4.5★9,442 rev](https://www.amazon.co.uk/dp/B0001IWHZW) [3**Wlleoaa 4 PCS Black and Decker Strimmer Spool Spool Trimmer Spools & Line Compatible with Black Decker Replacement Spools for Reflex Strimmer AF-100 ST5530-GB GLC3630L20-GB STC1820PC-GB BESTA530-GB**Wlleoaa**£6.14**3.8★9 rev](https://www.amazon.co.uk/dp/B0GJ5P4LMY) [4**BLACK+DECKER A6487 Heavy Duty Trimmer Line 10 x 3 mm GL680/685/690**BLACK+DECKER**£7.60**4.5★1,969 rev](https://www.amazon.co.uk/dp/B0001IX56M) [5**4 Pcs Strimmer Spool for Black and Decker Strimmer Wire Refills 30ft Each AF-100 Strimmer Line 1.65mm Grass Trimmer Wire Replacement for GL400/A6485/ST5530-GB/GLC3630L20-GB/STC1820PC-GB/BESTA525-530**Toumett**£7.47**4.4★134 rev](https://www.amazon.co.uk/dp/B0F199CC4T)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Oryzium 3pcs Strimmer Spool Replacement AF-100 Grass Trimmer Wire**Oryzium**£6.70**25 rev3mo ago](https://www.amazon.co.uk/dp/B0FM71Z7BY) [**2PCS Strimmer Spool Replacement Spool and Line for Black and Decker Spools String Trimmers Tool Double Autofeed Spools Replacement Compatible for GL250/ GL310/ GL360 Models**SNMYGS**£6.00**9 rev4mo ago](https://www.amazon.co.uk/dp/B0GTPYZYWM) [**Wlleoaa 4 PCS Black and Decker Strimmer Spool Spool Trimmer Spools & Line Compatible with Black Decker Replacement Spools for Reflex Strimmer AF-100 ST5530-GB GLC3630L20-GB STC1820PC-GB BESTA530-GB**Wlleoaa**£6.14**9 rev6mo ago](https://www.amazon.co.uk/dp/B0GJ5P4LMY) [**Flaveano Strimmer Wire for Black and Decker GL680/685/690 Trimmer 20 Replacment Strimmer Line**Flaveano**£9.29**13 rev1y ago](https://www.amazon.co.uk/dp/B0F9F19L8K) [**4 Pcs Strimmer Spool for Black and Decker Strimmer Wire Refills 30ft Each AF-100 Strimmer Line 1.65mm Grass Trimmer Wire Replacement for GL400/A6485/ST5530-GB/GLC3630L20-GB/STC1820PC-GB/BESTA525-530**Toumett**£7.47**134 rev1y ago](https://www.amazon.co.uk/dp/B0F199CC4T)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2PCS Strimmer Spool Replacement Spool and Line for Black and Decker Spools String Trimmers Tool Double Autofeed Spools Replacement Compatible for GL250/ GL310/ GL360 Models**SNMYGS**£6.00**4.1★**▲ 69%**](https://www.amazon.co.uk/dp/B0GTPYZYWM) [**Wlleoaa 4 PCS Black and Decker Strimmer Spool Spool Trimmer Spools & Line Compatible with Black Decker Replacement Spools for Reflex Strimmer AF-100 ST5530-GB GLC3630L20-GB STC1820PC-GB BESTA530-GB**Wlleoaa**£6.14**3.8★**▲ 60%**](https://www.amazon.co.uk/dp/B0GJ5P4LMY) [**Strimmer Spool for Compatible with Black & Decker AF-100 String Trimmers Replacement Part 30ft 0.065 Autofeed Weeding Eater Spools with RC-100-P Spool Cover Cap for Electric Trimmers**Poweka**£10.15**4.6★**▲ 43%**](https://www.amazon.co.uk/dp/B087LS2VYX) [**BLACK+DECKER A6442-XJ Dual Line**BLACK+DECKER**£6.56**4.3★**▲ 40%**](https://www.amazon.co.uk/dp/B0001IX55S) [**4 PCS 0.065 A6481 AFS Automatic Feed Spool Line Replacement + Spool Cover + Spring Strimmer Wire Compatible with Black+Decker STC1820PC BESTA530 BCSTA536**MAOZHOU**£8.37**4.7★**▲ 32%**](https://www.amazon.co.uk/dp/B09FJHC489)
**~~View all trending →~~**
## **What buyers say about black and decker strimmer spool**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“Exact fit”*
**Value For Money**25%
*“well worth the money”*
**Quality-Overall**17%
*“Excellent Product”*
**Advertised Vs Actual Product**16%
*“This is exactly what I ordered”*
**Cutting/Trimming**5%
*“Very robust and cut well”*
**Ease Of Use**2%
*“easy to use”*
**Assembly/Installation**2%
*“Installation is quick”*
**Durability**2%
*“the cord is also very durable”*
**Strength**1%
*“strong enough for more overgrown areas”*
**Compatibility-Overall**1%
*“GL570 compatible”*
### **What buyers complain about **
**Durability**26%
*“Break after a few seconds of use”*
**Size-Overall**24%
*“Didnt fit as suggested”*
**Quality-Overall**10%
*“Garbage, read the review”*
**Value For Money**8%
*“lot more expensive”*
**Defective Material/Parts**6%
*“Stay away and buy genuine parts”*
**Ease Of Use**4%
*“Not easy to find”*
**Maintenance And Repair**4%
*“Each spool had to be replaced within a few minutes of use”*
**Compatibility-Overall**4%
*“As many others have reported this does not fit the GL650”*
**Ethical Trade/Fair Trade**4%
*“Dishonest sale”*
**Advertised Vs Actual Product**2%
*“Dreadful, did not fit my model as described”*
### **Top return reasons **
**Size-Overall**82%
**Compatibility-Overall**5%
**Advertised Vs Actual Product**3%
**Durability**2%
**Functionality-Overall**2%
**Defective Material/Parts**2%
**Quality-Overall**1%
**Color**1%
**Charging**0%
**Product Condition**0%
## **Common questions**
- **Is black and decker strimmer spool profitable to sell on Amazon United Kingdom?**
- The niche generates £51K/yr across 23 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +295.1%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the black and decker strimmer spool niche?**
- 14 brands and 49 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in black and decker strimmer spool?**
- Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 0.4%.
- **When does demand for black and decker strimmer spool peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 79.1× the quietest.
- **What does it cost to enter the black and decker strimmer spool niche?**
- Listings span £4.14–£10.38; the average listing price is £7.57 (sweet spot $15–$100). The average incumbent carries 1,257 reviews — the moat a new listing must climb.
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