9a, Belsize Crescent, Camden, London, NW3 5QY
About 9a
9a is a mid-terrace house in Camden, London, London (NW3 5QY). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to before 1900. At 81 m² this is the 19th smallest of 28 units on EPC record in the building, where floor areas span 30–386 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (June 2025) shows a C (score 71). The rating has held steady at C across 2 certificates since September 2012. Between certificates, lighting went from Very Poor to Poor.
It hasn't traded since March 2007, a hold of 19 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. Today's modelled estimate of £905,000 sits 86.6% above the 2007 sale of £485,000. On a £-per-square-foot basis, the last sale (£556/sq ft) was about 18.9% above the typical sold price in the postcode. At 81 m² it's 17.4% larger than the typical home in the postcode (69 m² median across 48 EPCs).
Know exactly what you're buying at 9a
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
9a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 9a
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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£905,000
Modelled from EPC, postcode comparables.
£485,000
Recorded with HM Land Registry.
Sales timeline
27 March 2007Most recent
£485,000
Median price across the last 5 sales in NW3 5QY: £809,000 (2025–2025).
Nearby sales in NW3 5QY
5 Belsize Crescent, Camden, London, NW3 5QY
Sold Jun 2025
£865,000Flat D, 17 Belsize Crescent, London, NW3 5QY
Sold May 2025
£809,000First Floor Flat, 19 Belsize Crescent, London, NW3 5QY
Sold May 2025
£775,000Flat 1, 33 Belsize Crescent, London, NW3 5QY
Sold Feb 2025
£1,346,000Flat C, 17 Belsize Crescent, London, NW3 5QY
Sold Jan 2025
£790,000
Everything we know about 9a, 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 Crescent homes
Floor Area for 9a runs comfortably ahead of the street norm.
Price per m²
£5,988
Street avg £10,403
Floor Area
81 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.8 t/year
Similar properties nearby
1 Burdett Mews, Belsize Crescent
NW3 5QX
1 Copperbeech Close, Camden
NW3 5RB
1 Waterhouse Close, Camden
NW3 5PF
1 Belsize Place, Camden
NW3 5AL
1 Lyndhurst Gardens, Camden
NW3 5NS
1 Mulberry Close, Camden
NW3 5UP
1 Belsize Crescent, Camden
NW3 5QY
1 Belsize Mews, Camden
NW3 5AT
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
Belsize Square — bus stop.
Closest school
0.5 km
Fitzjohn's Primary School. 60 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
53.3dB

Night-time· 23:00 – 07:00
42.5dB