---
title: "Postcrete — £80K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/postcrete"
last_updated: "2026-07-31T15:55:21.256Z"
locale: en
meta:
description: "Niche score 57/100 · £80K/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 · £80K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Postcrete — £80K/yr Amazon UK Niche (2026) - Flapen"
---
# **postcrete**
**Worth a look**
Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 20Growth 63Conversion 55Competition 35Returns 98Price range 84Avg price 74Brand share 59Review moat 46Quality gap 77
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Price range**
**Great****£4.43–£79.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£14.89**
avg listing price — sweet spot $15–$100
**Growth**
**Good****+41.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****4.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,915.1**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£80K**
£80K/yr · 115K searches
**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, postcrete is a £80K/yr Amazon United Kingdom market (115K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 57/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **postcrete market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£89K–£119K**
- units × avg price
- **Conversion rate**
- **4.7%**
- **Avg BSR**
- **#46**
- **Page quality**
- **0%**
- **Prime**
- **43%**
- **Sponsored**
- **67%**
- **Out of stock**
- **2.9%**
- **Avg brand age**
- **53 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**50**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 99%
**Open market**
**24%**
- The Glowhouse20% - Blue Circle18% - Bostik14% - Laeto11% - POSTSAVER7% - Suregreen6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +41.1% search growth over the last 90 days.
5K3KHoliday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 5.4×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/postcrete/trend)
## **Top postcrete search terms**
- **postcrete**38K/yr+46.8%3.4% conv. - **post crete**13K/yr+65.4%3.8% conv. - **post crete quick set 20kg**11K/yr+34.5%4.0% conv. - **postcrete ready to use 20kg**10K/yr+40.4%4.7% conv. - **post mix concrete ready mixed fast set**8K/yr+26.3%6.1% conv. - **post mix**8K/yr+46.1%3.5% conv. - **post cement quick set ready mixed**7K/yr+30.6%4.8% conv. - **postcrete quick set 5kg**6K/yr+43.1%5.7% conv. - **post crete quick set 5kg**5K/yr+53.0%5.0% conv. - **post concrete quick set ready mixed**3K/yr+14.0%6.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/postcrete/search-terms)
## **Top postcrete 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%£8K20%£16K30%£24K40%£32K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Glowhouse Postfix No-Mix Aggregate Weatherproof Concrete 20kg Perfect for Fence and Washing Line Posts**The Glowhouse**£13.29**4.5★440 rev](https://www.amazon.co.uk/dp/B0D37TK2GB) [2**Blue Circle Ready to Use Postcrete 20kg Ready-to-Use Post Fixing Product - Just Add to Water**Blue Circle**£12.01**4.6★362 rev](https://www.amazon.co.uk/dp/B06W58KD68) [3**Laeto Build It Fast Set Cement 20kg for Fence Posts Paths and Repair**Laeto**£13.80**4.4★323 rev](https://www.amazon.co.uk/dp/B0C19F7N45) [4**Bostik Rapid Setting Cement 2.5kg - Fast-Setting - Ready Mixed Cement Just Add Water - Waterproof - Strong - Concrete Repair - Interior-Exterior**Bostik**£6.75**4.5★7,682 rev](https://www.amazon.co.uk/dp/B00PG0L1KW) [5**Postsaver Pro-Set Post Fixing Foam | Quick and Easy Fence Concrete | Alternative to Traditional Concrete | For All Types of Posts | 1 Pack = 40Kg**POSTSAVER**£21.07**3.9★468 rev](https://www.amazon.co.uk/dp/B08PKTY5W7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NoxGule Fence Post Foam Post Crete Expanding Foam Postcrete Ready to Use 200g Quick and Easy Fence Concrete Alternative to Concrete for All Types of Posts**NoxGule**£10.94**4 rev2mo ago](https://www.amazon.co.uk/dp/B0GYD1PT5L) [**Postcrete Fence post Cement/Concrete Postfix - Rapid Setting Cement 20kg (Just add water) (10)**Generic**£79.05**0 rev6mo ago](https://www.amazon.co.uk/dp/B0GJFTGPT7) [**Suregreen PostFix Concrete Mix | 20kg | Fence Post Repair | Ready Mixed Cement | Ready-to-Use Mix to install or fix Metal Timber Concrete or Electric Fence Posts | Water Resistant Bag**Suregreen**£13.67**63 rev6mo ago](https://www.amazon.co.uk/dp/B0GH1QG46F) [**Fast Set Post Fix Concrete - 20 Kilogran Bag Quick-Setting Fence Post Mix**Generic**£13.71**10 rev11mo ago](https://www.amazon.co.uk/dp/B0FK5SN44D) [**Silver Star post Concrete Fast Setting Strong Hold: Ideal for All Types of Washing Line and Fence Posts. Easy to Use Postcrete No Mix Aggregate Weatherproof Bag 20kg**Silver Star**£13.01**32 rev1y ago](https://www.amazon.co.uk/dp/B0FD2R3S3P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NoxGule Fence Post Foam Post Crete Expanding Foam Postcrete Ready to Use 200g Quick and Easy Fence Concrete Alternative to Concrete for All Types of Posts**NoxGule**£10.94**2.2★**▲ 148%**](https://www.amazon.co.uk/dp/B0GYD1PT5L) [**Postcrete Fence post Cement/Concrete Postfix - Rapid Setting Cement 20kg (Just add water) (10)**Generic**£79.05**0.0★**▲ 100%**](https://www.amazon.co.uk/dp/B0GJFTGPT7) [**Inspired Essentials Hi-Performance Cement Ready Mixed Concrete Quick Set Mortar Bag 2kg (Quick Set Mortar 1 Bag)**Inspired Essentials**£5.80**4.4★**▲ 88%**](https://www.amazon.co.uk/dp/B0DGY47QXW) [**Bostik Cementone General Purpose Mortar 5kg - Ready Mixed Mortar Just Add Water - for Interior & Exterior Repairs**Bostik**£6.88**4.5★**▲ 66%**](https://www.amazon.co.uk/dp/B01N20KJLK) [**Bostik Rapid Setting Cement 10kg - Fast-Setting 20 Minute Waterproof Repair Mortar - Ready Mixed Just Add Water - Strong & Durable - For Drain Repairs & Concrete Fixing - Indoor & Outdoor Use**Bostik**£12.64**4.5★**▲ 58%**](https://www.amazon.co.uk/dp/B01D8FRG9Q)
**~~View all trending →~~**
## **What buyers say about postcrete**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**32%
*“Easy to store”*
**Quality-Overall**15%
*“Very good product and easy to use — just add water and its ready”*
**Advertised Vs Actual Product**11%
*“Accurate description”*
**Value For Money**10%
*“GOOD VALUE”*
**Maintenance And Repair**6%
*“Ideal for all those small maintenance jobs”*
**Efficiency**5%
*“Needed to cement a rotary washing line in place this as done the job extremely well”*
**Material Quality**3%
*“Good quality cement, just want I needed and delivered quickly”*
**Instructions/User Manual/Troubleshooting**2%
*“Arrived on time with helpful instructions”*
**Size-Overall**2%
*“Great size”*
**Strength**2%
*“sets incredibly solid”*
### **What buyers complain about **
**Value For Money**29%
*“far too expensive”*
**Size-Overall**13%
*“Didn't match mortar”*
**Durability**7%
*“So, I cannot say if it will be long lasting, or whether the re-pointing will need to be done again”*
**Color**7%
*“the colour unfortunately does not match the paving so I'm currently experimenting with various substances to blend”*
**Leak-Proof**6%
*“The plastic tub was cracked and leaking, it is still usable”*
**Functionality-Overall**5%
*“Does not work”*
**Material Quality**4%
*“Made of cheap plastic”*
**Adhesion/Stickiness**4%
*“doesnt bond well”*
**Ease Of Use**4%
*“Unable to use”*
**Noise Level**2%
*“5kg sounds a lot”*
### **Top return reasons **
**Color**15%
**Functionality-Overall**15%
**Leak-Proof**13%
**Defective Material/Parts**7%
**Size-Overall**6%
**Compatibility-Overall**6%
**Value For Money**5%
**Advertised Vs Actual Product**5%
**Material Quality**5%
**Ease Of Use**5%
## **Common questions**
- **Is postcrete profitable to sell on Amazon United Kingdom?**
- The niche generates £80K/yr across 21 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +41.1%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the postcrete niche?**
- 17 brands and 50 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in postcrete?**
- Top complaints mined from reviews: Value For Money, Size-Overall, Durability. The return rate is 0.4%.
- **When does demand for postcrete peak?**
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 5.4× the quietest.
- **What does it cost to enter the postcrete niche?**
- Listings span £4.43–£79.05; the average listing price is £14.89 (sweet spot $15–$100). The average incumbent carries 1,915 reviews — the moat a new listing must climb.
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