---
title: "Trv Head — £21K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/trv-head"
last_updated: "2026-07-31T07:58:38.182Z"
locale: en
meta:
description: "Niche score 40/100 · £21K/yr market · 29K searches/yr · £9.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £21K/yr market · 29K searches/yr · £9.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Trv Head — £21K/yr Amazon UK Niche (2026) - Flapen"
---
# **trv head**
**Skip it**
Soft demand (-62.8% this quarter) — this niche doesn't clear our bar today.
Market size 5Growth 0Conversion 77Competition 52Returns 47Price range 33Avg price 32Brand share 62Review moat 82Quality gap 52
**Review moat**
**Great****361.43**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****3.3%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****£5.71–£19.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£9.80**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£21K**
£21K/yr · 29K searches
**Growth**
**Bad****-62.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, trv head is a £21K/yr Amazon United Kingdom market (29K searches/yr). The top 5 brands hold 68% of demand. Verdict: Skip it — 40/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **trv head market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **£25K–£29K**
- units × avg price
- **Conversion rate**
- **7.4%**
- **Avg BSR**
- **#442**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **74%**
- **Out of stock**
- **10.6%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**43**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 96%
**Open market**
**27%**
- Myson20% - LJAPPLIED15% - Drayton14% - NA-111% - flintronic7% - VANCOCO5%
## **Demand**
Weekly Amazon search volume, last 32 weeks — -62.8% search growth over the last 90 days.
2K1KSpike '26Dec '25Jan '26Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/diy-tools/trv-head/trend)
## **Top trv head search terms**
- **trv head only**12K/yr-69.3%5.7% conv. - **trv head**7K/yr-54.5%4.4% conv. - **myson trv 2 way replacement head**6K/yr-57.2%8.5% conv. - **myson trv 2 way**3K/yr-57.5%3.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/trv-head/search-terms)
## **Top trv head 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%4%£8478%£2K12%£3K16%£3K1101001K10K 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**Thermostatic Radiator Head 2 Pcs TRV Smart Radiator Thermostat Radiator Valve Replacement Head Thermostatic Radiator Valve Heating System Temperature Control Heads for Home Office (2)**LJAPPLIED**£7.01**4.3★897 rev](https://www.amazon.co.uk/dp/B09MHYBDMK) [2**Myson Standard Thermostatic Radiator Valve Replacement Head Only (TRV 2 WAY)**Myson**£14.62**4.5★1,969 rev](https://www.amazon.co.uk/dp/B00HV2H6FW) [3**Drayton RT212 TRV Chrome Sensing Head**Drayton**£9.71**4.6★266 rev](https://www.amazon.co.uk/dp/B09N3228C2) [4**White Thermostatic Radiator TRV Valve Head Replacement**NA-1**£5.85**4.3★684 rev](https://www.amazon.co.uk/dp/B0B4F534FY) [5**VANCOCO 2 Pack M30×1.5 mm TRV Radiator Valve Heads Thermostatic Radiator Valve Heads for Home Office Heating Systems**VANCOCO**£7.53**4.2★43 rev](https://www.amazon.co.uk/dp/B0CP4WFTW7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Thermostatic Radiator Valve TRV Head Only Replacement Drayton TRV4 Compatible M30 x 1.5 Radiator Thermostat Control Knob Chrome & White Hulthor**Hulthor**£11.72**5 rev3mo ago](https://www.amazon.co.uk/dp/B0GWJNWRG8) [**ValveTechnik Thermostat Head Radiator Valve M30x1.5 Thread Thermostat (6)**Valve Technik**£16.02**3 rev4mo ago](https://www.amazon.co.uk/dp/B0GQH7729P) [**2 Pack Thermostatic Radiator Valve Head M30 x 1.5 TRV Replacement Head with 5-Level Temperature Control and Anti-Freeze Function White Automatic Heating Control for Home and Office**Rivvra**£6.39**1 rev5mo ago](https://www.amazon.co.uk/dp/B0GLN2YQRQ) [**2 PCS Thermostatic Radiator Valve Head M30 x 1.5 TRV Replacement Head with 5 Setting Auto Temperature Control Universal Thermostat Heating Valve for Home/Office/Bedroom Easy Install Energy Saving**oibek**£6.67**3 rev6mo ago](https://www.amazon.co.uk/dp/B0GGHF8D8X) [**TC TRV Thermostatic Radiator Valve Sensor Head fits Drayton TRV4 Body White- Head only**22.5 Team Controls**£5.71**14 rev1y ago](https://www.amazon.co.uk/dp/B0FGFJPHVW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ValveTechnik Thermostat Head Radiator Valve M30x1.5 Thread Thermostat (6)**Valve Technik**£16.02**5.0★**▲ 718%**](https://www.amazon.co.uk/dp/B0GQH7729P) [**Thermostatic Radiator Valve TRV Head Only Replacement Drayton TRV4 Compatible M30 x 1.5 Radiator Thermostat Control Knob Chrome & White Hulthor**Hulthor**£11.72**4.8★**▲ 661%**](https://www.amazon.co.uk/dp/B0GWJNWRG8) [**2 Pack Thermostatic Radiator Valve Head M30 x 1.5 TRV Replacement Head with 5-Level Temperature Control and Anti-Freeze Function White Automatic Heating Control for Home and Office**Rivvra**£6.39**4.0★**▲ 561%**](https://www.amazon.co.uk/dp/B0GLN2YQRQ) [**Flintronic 6PCS Thermostatic Radiator Valve Head M30 x 1.5 TRV Radiator Thermostat Valve Replacement Head Automatical Temperature Control Heating System Universal for Home Office White**flintronic**£13.22**4.4★**▲ 177%**](https://www.amazon.co.uk/dp/B0DKWTHL8D) [**2 PCS Thermostatic Radiator Valve Head M30 x 1.5 TRV Replacement Head with 5 Setting Auto Temperature Control Universal Thermostat Heating Valve for Home/Office/Bedroom Easy Install Energy Saving**oibek**£6.67**3.9★**▲ 172%**](https://www.amazon.co.uk/dp/B0GGHF8D8X)
**~~View all trending →~~**
## **What buyers say about trv head**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**27%
*“Perfect fit”*
**Value For Money**16%
*“Good value”*
**Quality-Overall**15%
*“Excellent well produced item”*
**Advertised Vs Actual Product**13%
*“Works as it should”*
**Ease Of Use**7%
*“it turns on easily”*
**Assembly/Installation**3%
*“Easy to install”*
**Design-Overall**3%
*“The smart design helps save energy”*
**Strength**3%
*“Effective and nice”*
**Efficiency**3%
*“does the job well”*
**Maintenance And Repair**2%
*“These were a perfect replacement for the damaged ones I've had for years”*
### **What buyers complain about **
**Size-Overall**16%
*“Didnt fit our rads”*
**Quality-Overall**15%
*“Poor quality product”*
**Value For Money**9%
*“Not the cheapest”*
**Functionality-Overall**9%
*“Does not stay on the valve”*
**Leak-Proof**6%
*“Plumber has just left our house after a serious radiator water leak was apparently caused by this new valve”*
**Touch/Button Controls**6%
*“Control would not turn on or off”*
**Durability**6%
*“don't last forever”*
**Color**3%
*“the original ones had gone yellow”*
**Strength**3%
*“the plastic becomes brittle and breaks”*
**Defective Material/Parts**3%
*“The internal thread may be defective”*
### **Top return reasons **
**Size-Overall**70%
**Compatibility-Overall**14%
**Functionality-Overall**2%
**Defective Material/Parts**2%
**Advertised Vs Actual Product**2%
**Connectivity-Overall**1%
**Quality-Overall**1%
**Add-Ons/Attachments**1%
**Mechanism Issues**1%
**Ease Of Use**1%
## **Common questions**
- **Is trv head profitable to sell on Amazon United Kingdom?**
- The niche generates £21K/yr across 23 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -62.8%. Flapen's verdict: Skip it (40/100).
- **How competitive is the trv head niche?**
- 17 brands and 43 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in trv head?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 3.3%.
- **What does it cost to enter the trv head niche?**
- Listings span £5.71–£19.50; the average listing price is £9.80 (sweet spot $15–$100). The average incumbent carries 361 reviews — the moat a new listing must climb.
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