7d, Belsize Park Gardens, London, NW3 4LB
About 7d
7d is a semi-detached house in London (NW3 4LB). It has a recorded floor area of 119 m² (around 1280 sq ft) and construction records dating it to before 1900. At 119 m² this is the 15th smallest of 17 units on EPC record in the building, where floor areas span 48–138 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2011) shows a C (score 70). The latest certificate is from May 2011, so improvements made since then won't be reflected.
At 119 m² the property is well over the postcode median (81 m² across 24 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include subdivision, meaningful when judging how the property has evolved. Across 2011–2013, sale prices on this property compounded at 10.6% per year. Today's modelled estimate of £1,569,000 is 16.2% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£1,055/sq ft) was about 32.3% above the typical sold price in the postcode. 13 years since the last transfer (March 2013).
Know exactly what you're buying at 7d
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
7d's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 May 2021
EPC Rating
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Aug 2021SubdivisionFullIn report
Amalgamation of 2x (3-bed and 1-bed) self-contained flats into 1x self-contained 4-bedroom flat on the second and third floor level, alterations to front roof terraces and balustrade, installation of roof terrace and balustrade to rear dormer window, and replacement of front and rear elevation windows.
- Documents
- 15 docs on file
- Reference
- 2020/4194/P
- May 2010SubdivisionFullIn report
Conversion of two one-bedroom flats into one three-bedroom flat including replacement of rear first floor windows with French doors and installation of railings above the rear bay windows in connection with a new balcony to first floor flat.
- Documents
- 13 docs on file
- Reference
- 2010/1107/P
We flagged 1 thing worth checking at 7d
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
7d valuation sits well clear of the typical sold price in this postcode.
£1,569,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 2 years.
£1,350,000
Growth on file: 10.6% per year over 2 years.
Sales timeline
22 March 2013Most recent
£1,350,000
+17.4%over 1 year18 August 2011
£1,150,001
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 7d, 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
7d outperforms the street on habitable rooms by a wide margin.
Price per m²
£11,351
Street avg £10,746
Floor Area
119 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.9 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