---
title: "Products — door knobs for interior doors - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/door-knobs-for-interior-doors/products"
last_updated: "2026-07-31T08:36:29.249Z"
locale: en
meta:
  description: "Niche score 46/100 · £60K/yr market · 311K searches/yr · £10.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · £60K/yr market · 311K searches/yr · £10.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — door knobs for interior doors - Flapen"
---

# **door knobs for interior doors**

**Skip it**

Soft demand (-24.8% this quarter) — this niche doesn't clear our bar today.

Market size 15Growth 13Conversion 22Competition 75Returns 39Price range 59Avg price 40Brand share 70Review moat 85Quality gap 82

**Review moat**

**Great****292.53**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Competition**

**Great****40%**

top-5 click share — an open shelf

**Brand share**

**Good****63%**

top-5 brand share — brands hold most of the demand

**Price range**

**Good****£2.87–£32.22**

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

**Avg price**

**Okay****£10.85**

avg listing price — sweet spot $15–$100

**Returns**

**Okay****3.9%**

return rate — above 5% kills the launch gate

**Conversion**

**Bad****1.8%**

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

**Market size**

**Bad****£60K**

£60K/yr · 311K searches

**Growth**

**Bad****-24.8%**

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%")