21a, Denbigh Gardens, Richmond, TW10 6EN
About 21a
21a is a six-bedroom property in Richmond (TW10 6EN). It has council tax band H.
It hasn't traded since April 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. 6 planning records sit against the property, 0 approved, 0 refused. Across 2005–2008, sale prices on this property compounded at 32.7% per year. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count.
Know exactly what you're buying at 21a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms6
- Bathrooms4
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Oct 2014Garage ConversionFullIn report
PROPOSED GARAGE CONVERSION INTO STORE AREA
- Documents
- 8 docs on file
- Reference
- 14/3414/HOT
- Jun 2007AdvertisingIn report
Single sign board advertising the sale of the property.
- Documents
- 6 docs on file
- Reference
- 07/1826/ADV
We flagged 1 thing worth checking at 21a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 2005.
£2,640,000
Growth on file: 32.7% per year over 3 years.
Sales timeline
22 April 2008Most recent
£2,640,000
+140.0%over 3 years18 March 2005
£1,100,000
Median price across the last 5 sales in TW10 6EN: £3,700,000 (2024–2022).
Nearby sales in TW10 6EN
18 Denbigh Gardens, Richmond, TW10 6EN
Sold Dec 2024
£3,662,5005 Denbigh Gardens, Richmond, TW10 6EN
Sold Nov 2024
£3,200,00019 Denbigh Gardens, Richmond, TW10 6EN
Sold Jun 2024
£5,800,00017 Denbigh Gardens, Richmond, TW10 6EN
Sold Jul 2023
£3,800,0003 Denbigh Gardens, Richmond, TW10 6EN
Sold Mar 2022
£3,700,000
Everything we know about 21a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Marchmont Road — bus stop.
Closest school
0.2 km
Christ's Church of England Comprehensive Secondary School. 27 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.6dB

Night-time· 23:00 – 07:00
42.0dB