Flat 4, 23 King Henrys Road, London, NW3 3QP
About Flat 4
Flat 4 is a two-bedroom mid-terrace house in London (NW3 3QP). It has a recorded floor area of 58 m² (around 624 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2023) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2012. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. Period features are noted in the property record.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include new windows, meaningful when judging how the property has evolved. Across 2015–2024, sale prices on this property compounded at 1.3% per year. On a £-per-square-foot basis, the last sale (£1,185/sq ft) was about 81.4% above the typical sold price in the postcode. Sold November 2024 for £740,000.
Know exactly what you're buying at Flat 4
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
Building
- Period featuresYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
- Nov 2016RenovationFullIn report
Window alterations including the replacement of the existing timber framed casement window on the main rear elevation (bathroom) with an obscure glazed timber framed sash window, the replacement of the existing casement window on the side elevation of the rear outrigger (kitchen) with a timber framed sash window and the installation of a timber framed casement window in the end elevation of the rear outrigger (kitchen).
New Windows- Documents
- 11 docs on file
- Reference
- 2016/4443/P
- Apr 2015ExtensionFullIn report
Extension: Single storey
Erection of a rear/side extension at third floor level and alteration to the front window.
New Windows- Documents
- 10 docs on file
- Reference
- 2015/2262/P
What's in Flat 4, 23 King Henrys Road, London, NW3 3QP's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Flat 4 valuation sits well clear of the typical sold price in this postcode.
£801,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.3% per year over 10 years.
£740,000
Growth on file: 1.3% per year over 10 years.
Sales timeline
15 November 2024Most recent
£740,000
+13.8%over 9 years6 February 2015
£650,000
Median price across the last 5 sales in NW3 3QP: £745,500 (2025–2021).
Nearby sales in NW3 3QP
Flat 3, 9 King Henrys Road, London, NW3 3QP
Sold Jun 2025
£675,00017d, King Henrys Road, London, NW3 3QP
Sold Mar 2025
£680,000Flat 2, 19 King Henrys Road, London, NW3 3QP
Sold Oct 2023
£936,999Flat 3, 23 King Henrys Road, London, NW3 3QP
Sold Jul 2022
£745,500Flat 2, 1 King Henrys Road, London, NW3 3QP
Sold Mar 2021
£884,000
Everything we know about Flat 4, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other King Henrys Road homes
Years Held for Flat 4 lags the street by a wide margin.
Price per m²
£12,759
Street avg £9,444
Floor Area
58 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Eton Road / Chalk Farm — bus stop.
Closest school
0.3 km
Haverstock School. 71 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
53.9dB

Night-time· 23:00 – 07:00
43.4dB