Flat 3, 1 Belsize Park Gardens, London, NW3 4LB
About Flat 3
Flat 3 is a semi-detached house in London (NW3 4LB). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band G. At 78 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 48–80 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2019) shows a C (score 69), just inside the C band. When first surveyed in July 2015 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good.
Across 2015–2019, sale prices on this property compounded at 2% per year. On a £-per-square-foot basis, the last sale (£1,489/sq ft) was about 86.8% above the typical sold price in the postcode. Last sale on file: £1,250,000 in November 2019. One historical planning record sits against the property in 2016.
Know exactly what you're buying at Flat 3
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 upgraded for better temperature management
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
- May 2016RenovationFullIn report
Replacement of existing rear upper ground floor french doors with folding doors and minor alterations to side elevation to remove boiler flue, replace grille with boiler flue, place 2 extractors in existing vents and fill in redundant flues.
- Documents
- 10 docs on file
- Reference
- 2016/1477/P
We flagged 1 thing worth checking at Flat 3
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 3 valuation sits well clear of the typical sold price in this postcode.
£1,263,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.0% per year over 4 years.
£1,250,000
Growth on file: 2.0% per year over 4 years.
Sales timeline
18 November 2019Most recent
£1,250,000
+8.7%over 4 years8 October 2015
£1,150,000
Median price across the last 5 sales in NW3 4LB: £630,000 (2024–2020).
Nearby sales in NW3 4LB
7f, Belsize Park Gardens, London, NW3 4LB
Sold Dec 2024
£94,0007a, Belsize Park Gardens, Camden, London, NW3 4LB
Sold Dec 2023
£2,050,0001a, Belsize Park Gardens, Camden, London, NW3 4LB
Sold Mar 2021
£1,360,0005b, Belsize Park Gardens, London, NW3 4LB
Sold Sept 2020
£630,0007e, Belsize Park Gardens, London, NW3 4LB
Sold Feb 2020
£620,000
Everything we know about Flat 3, 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
Flat 3 outperforms the street on price per m² by a wide margin.
Price per m²
£16,026
Street avg £10,454
Floor Area
78 m²
Street avg 95 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.4 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
0.1 km
Belsize Village — bus stop.
Closest school
0.5 km
Rosary Catholic Primary School. 68 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
42.2dB