Flat 1, 51 Belsize Park Gardens, Camden, London, NW3 4JL
About Flat 1
Flat 1 is a three-bedroom semi-detached house in Camden, London, London (NW3 4JL). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (March 2021) shows a C (score 72). When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Good.
Across 2011–2014, sale prices on this property compounded at 18% per year. Today's modelled estimate of £975,000 is 15.4% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£1,106/sq ft) was about 99.3% above the typical sold price in the postcode. Last changed hands 12 years ago, in April 2014. One historical planning record sits against the property in 2022.
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
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Wall insulation improved
Planning history
- Aug 2022AmendmentIn report
Non-material amendment for minor alteration to length, position and design of bin store approved under planning permission dated 26/10/2021 (Ref: 2021/3317/P) for the erection of a bin store.
- Documents
- 3 docs on file
- Reference
- 2022/2640/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
Flat 1 valuation sits well clear of the typical sold price in this postcode.
£975,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.0% per year over 3 years.
£845,000
Growth on file: 18.0% per year over 3 years.
Sales timeline
24 April 2014Most recent
£845,000
+69.2%over 3 years16 February 2011
£499,500
Median price across the last 5 sales in NW3 4JL: £800,000 (2024–2018).
Nearby sales in NW3 4JL
Flat 2, 51 Belsize Park Gardens, Camden, London, NW3 4JL
Sold Jun 2024
£775,00049a, Belsize Park Gardens, Camden, London, NW3 4JL
Sold Oct 2021
£620,00049b, Belsize Park Gardens, Camden, London, NW3 4JL
Sold Feb 2021
£1,899,950Flat 3, 51 Belsize Park Gardens, London, NW3 4JL
Sold Dec 2017
£485,000Flat 4, 47 Belsize Park Gardens, London, NW3 4JL
Sold Oct 2016
£630,000
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 Gardens homes
EPC Rating for Flat 1 runs comfortably ahead of the street norm.
Price per m²
£11,901
Street avg £11,387
Floor Area
71 m²
Street avg 80 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.2 t/year
Similar properties nearby
23a, Garden Flat, Belsize Square, Camden
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15a, Flat C, Eton Road
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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
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12a, Flat 1, Belsize Park
NW3 4ES
25a, Flat 1, Elizabeth Mews
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25a, Flat 2, 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
0.3 km
Belsize Village — bus stop.
Closest school
0.5 km
Rosary Catholic Primary School. 76 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
53.2dB

Night-time· 23:00 – 07:00
42.0dB