9 Belsize Mews, Camden, London, NW3 5AT
About 9 Belsize Mews
9 Belsize Mews is a three-bedroom mid-terrace house in Camden, London, London (NW3 5AT). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1976-1982 and council tax band G. Other recorded features include a balcony. The home occupies a cul-de-sac position. The latest certificate (February 2026) shows a C (score 73). The rating has held steady at C across 2 certificates since April 2015. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.
At 83 m² it sits well below the postcode median (119 m² across 11 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,257,000 is 17.5% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£1,198/sq ft) was about 159.6% above the typical sold price in the postcode. 11 years since the last transfer (November 2015).
Know exactly what you're buying at 9 Belsize Mews
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- GarageYes
- BalconyYes
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Planning history
9 Belsize Mews has an approved rear extension on the planning record.
- Apr 2016ExtensionFullIn report
Extension: Rear of property
Erection of rear dormer extension.
- Reference
- 2016/0420/P
We flagged 1 thing worth checking at 9 Belsize Mews
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
9 Belsize Mews valuation sits well clear of the typical sold price in this postcode.
£1,257,000
Modelled from EPC, postcode comparables.
£1,070,000
Recorded with HM Land Registry.
Sales timeline
6 November 2015Most recent
£1,070,000
Median price across the last 5 sales in NW3 5AT: £1,150,000 (2025–2009).
Nearby sales in NW3 5AT
Everything we know about 9 Belsize Mews, 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

Versus other Belsize Mews homes
Floor Area for 9 Belsize Mews lags the street by a wide margin.
Price per m²
£12,892
Street avg £7,594
Floor Area
83 m²
Street avg 127 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.3 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Lyndhurst Gardens, Camden
NW3 5NS
1 Mulberry Close, Camden
NW3 5UP
1 Belsize Mews, Camden
NW3 5AT
1 Rosslyn Park Mews, Lyndhurst Road, Camden
NW3 5NJ
1 Daleham Mews, Camden
NW3 5DB
1 Nutley Terrace, Camden
NW3 5BX
1 Shepherds Walk, Camden
NW3 5UE
1 Burdett Mews, Belsize Crescent
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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
0.1 km
Belsize Village — bus stop.
Closest school
0.4 km
Rosary Catholic Primary School. 62 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
53.0dB

Night-time· 23:00 – 07:00
42.2dB