---
title: "Reviews — spirit level - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/spirit-level/reviews"
last_updated: "2026-07-31T08:05:45.289Z"
locale: en
meta:
  description: "Niche score 59/100 · £631K/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 59/100 · £631K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — spirit level - Flapen"
---

# **spirit level**

**Worth a look**

Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 65Growth 23Conversion 77Competition 56Returns 97Price range 50Avg price 48Brand share 77Review moat 44Quality gap 52

**Returns**

**Incredible****0.6%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****7.4%**

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

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Market size**

**Good****£631K**

£631K/yr · 722K searches

**Competition**

**Good****52%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****£3.01–£27.20**

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

**Avg price**

**Okay****£11.78**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****2,078.24**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-3.5%**

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

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