Flat 1, 14 Belsize Park, Camden, London, NW3 4ES
About Flat 1
Flat 1 is a three-bedroom semi-detached house in Camden, London, London (NW3 4ES). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1900-1929 and council tax band G. Tenure is freehold. The latest certificate (May 2022) shows a C (score 75), near the top of the C band. When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 82).
At 112 m² the property is well over the postcode median (64 m² across 35 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£1,261/sq ft) was about 127.3% above the typical sold price in the postcode. Last sale on file: £1,520,000 in September 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Flat 1
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
- Bathrooms3
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
Building
- TenureFreehold
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Wall insulation improved
Planning history
A a single-storey rear extension application was refused at Flat 1 in 2021.
- Dec 2021ExtensionFullIn report
Replacement of rear extension windows
New Windows- Documents
- 7 docs on file
- Reference
- 2021/4502/P
- Aug 2021ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension at lower ground floor level
- Documents
- 35 docs on file
- Reference
- 2021/1997/P
We flagged 1 thing worth checking at Flat 1
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 in the post-pandemic price surge — useful context when reading the figure.
£1,505,000
Modelled from EPC, postcode comparables.
£1,520,000
Recorded with HM Land Registry.
Sales timeline
15 September 2022Most recent
£1,520,000
Median price across the last 5 sales in NW3 4ES: £800,000 (2025–2023).
Nearby sales in NW3 4ES
Flat 3, 11 Belsize Park, London, NW3 4ES
Sold Mar 2025
£1,350,000Claridge House, Flat 4, 13 Belsize Park, London, NW3 4ES
Sold Oct 2023
£721,500Flat 4, 14 Belsize Park, London, NW3 4ES
Sold Jun 2023
£745,000Flat 4, 16 Belsize Park, London, NW3 4ES
Sold Jun 2023
£1,700,000Flat 1, 11 Belsize Park, London, NW3 4ES
Sold Apr 2023
£800,000
Everything we know about Flat 1, 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 Park homes
EPC Rating for Flat 1 runs comfortably ahead of the street norm.
Price per m²
£13,571
Street avg £8,052
Floor Area
112 m²
Street avg 83 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.5 t/year
Similar properties nearby
15a, Flat C, Eton Road
NW3 4SS
17a, Flat 2, Lambolle Road, Camden
NW3 4HS
23a, Garden Flat, Belsize Square, Camden
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15a, Flat A, Eton Road, Camden
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15a, Flat B, Eton Road
NW3 4SS
12a, Flat 2, Belsize Park
NW3 4ES
12a, Flat 1, Belsize Park
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25a, Flat 1, Elizabeth Mews
NW3 4UH
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 Square — bus stop.
Closest school
0.5 km
Holy Trinity CofE Primary School, NW3. 67 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
53.1dB

Night-time· 23:00 – 07:00
42.0dB