---
title: "Search terms — window heat blocker - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/window-heat-blocker/search-terms"
last_updated: "2026-07-31T09:22:08.304Z"
locale: en
meta:
  description: "Niche score 62/100 · £28K/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 62/100 · £28K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — window heat blocker - Flapen"
---

# **window heat blocker**

**Worth a look**

Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 7Growth 100Conversion 19Competition 72Returns 89Price range 53Avg price 34Brand share 91Review moat 28Quality gap 92

**Growth**

**Incredible****>1,000%**

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

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Great****44%**

top-5 brand share — no brand owns this niche

**Returns**

**Great****1.3%**

return rate — above 5% kills the launch gate

**Competition**

**Good****42%**

top-5 click share — leaders hold, buyers still browse

**Price range**

**Good****£5.69–£25.34**

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

**Avg price**

**Okay****£10.08**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****3,717.73**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Bad****1.5%**

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

**Market size**

**Bad****£28K**

£28K/yr · 183K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")