postcrete
Worth a lookShows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Price range
Great£4.43–£79.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good£14.89avg listing price — sweet spot $15–$100
Growth
Good+41.1%90-day search growth — must beat 0% to launch
Brand share
Good70%top-5 brand share — brands hold most of the demand
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,915.1avg incumbent reviews — the moat a new listing must climb
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Market size
Bad£80K£80K/yr · 115K searches
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
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.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 5.4×
Top postcrete search terms
- postcrete38K/yr
- post crete13K/yr
- post crete quick set 20kg11K/yr
- postcrete ready to use 20kg10K/yr
- post mix concrete ready mixed fast set8K/yr
- post mix8K/yr
- post cement quick set ready mixed7K/yr
- postcrete quick set 5kg6K/yr
- post crete quick set 5kg5K/yr
- post concrete quick set ready mixed3K/yr
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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Glowhouse Postfix No-Mix Aggregate Weatherproof Concrete 20kg Perfect for Fence and Washing Line Posts
The Glowhouse£13.294.5★440 rev

Blue Circle Ready to Use Postcrete 20kg Ready-to-Use Post Fixing Product - Just Add to Water
Blue Circle£12.014.6★362 rev

Laeto Build It Fast Set Cement 20kg for Fence Posts Paths and Repair
Laeto£13.804.4★323 rev

Bostik Rapid Setting Cement 2.5kg - Fast-Setting - Ready Mixed Cement Just Add Water - Waterproof - Strong - Concrete Repair - Interior-Exterior
Bostik£6.754.5★7,682 rev

Postsaver Pro-Set Post Fixing Foam | Quick and Easy Fence Concrete | Alternative to Traditional Concrete | For All Types of Posts | 1 Pack = 40Kg
POSTSAVER£21.073.9★468 rev
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£10.944 rev

Postcrete Fence post Cement/Concrete Postfix - Rapid Setting Cement 20kg (Just add water) (10)
Generic£79.050 rev

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£13.6763 rev

Fast Set Post Fix Concrete - 20 Kilogran Bag Quick-Setting Fence Post Mix
Generic£13.7110 rev

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£13.0132 rev
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£10.942.2★

Postcrete Fence post Cement/Concrete Postfix - Rapid Setting Cement 20kg (Just add water) (10)
Generic£79.050.0★

Inspired Essentials Hi-Performance Cement Ready Mixed Concrete Quick Set Mortar Bag 2kg (Quick Set Mortar 1 Bag)
Inspired Essentials£5.804.4★

Bostik Cementone General Purpose Mortar 5kg - Ready Mixed Mortar Just Add Water - for Interior & Exterior Repairs
Bostik£6.884.5★

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£12.644.5★
What buyers say about postcrete
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to store”
“Very good product and easy to use — just add water and its ready”
“Accurate description”
“GOOD VALUE”
“Ideal for all those small maintenance jobs”
“Needed to cement a rotary washing line in place this as done the job extremely well”
“Good quality cement, just want I needed and delivered quickly”
“Arrived on time with helpful instructions”
“Great size”
“sets incredibly solid”
What buyers complain about
“far too expensive”
“Didn't match mortar”
“So, I cannot say if it will be long lasting, or whether the re-pointing will need to be done again”
“the colour unfortunately does not match the paving so I'm currently experimenting with various substances to blend”
“The plastic tub was cracked and leaking, it is still usable”
“Does not work”
“Made of cheap plastic”
“doesnt bond well”
“Unable to use”
“5kg sounds a lot”
Top return reasons
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.