22 Belsize Lane, London, NW3 5AB
About 22 Belsize Lane
22 Belsize Lane is a three-bedroom semi-detached house in London (NW3 5AB). It has a recorded floor area of 191 m² (around 2056 sq ft), construction records dating it to before 1900 and council tax band F. Tenure is freehold. At 191 m² this is the 16th smallest of 17 units on EPC record in the building, where floor areas span 56–191 m². The building's EPC ratings span E to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (December 2020) shows a C (score 71). The rating has held steady at C across 5 certificates since September 2008. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Poor to Average.
Today's modelled estimate of £2,617,000 is 19.5% below the 2023 sale of £3,250,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,581/sq ft) was about 152% above the typical sold price in the postcode. At 191 m² the property is well over the postcode median (109 m² across 26 EPCs), placing it in the larger end of the local stock. 6 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: August 2023 at £3,250,000.
Know exactly what you're buying at 22 Belsize Lane
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
Outside
- Private gardenYes
- ParkingAllocated
- BalconyYes
Building
- TenureFreehold
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Cavity wall insulation installed
Floor insulation added or improved
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation improved
Planning history
22 Belsize Lane has been through 4 approved planning applications — a well-evolved property.
- Mar 2024ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of replacement single storey extension at lower ground level and associated alterations to rear elevation including installation of external stairs. Alterations to facade and roof of existing outbuilding facing main building.
- Documents
- 18 docs on file
- Reference
- 2023/4957/P
- Apr 2014Tree WorksTreesIn report
REAR GARDEN: 1 x Eucalyptus - Fell.
- Documents
- 4 docs on file
- Reference
- 2014/1377/T
We flagged 1 thing worth checking at 22 Belsize Lane
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
22 Belsize Lane valuation sits well clear of the typical sold price in this postcode.
£2,617,000
Modelled from EPC, postcode comparables.
£3,250,000
Recorded with HM Land Registry.
Sales timeline
10 August 2023Most recent
£3,250,000
Median price across the last 5 sales in NW3 5AB: £1,350,000 (2025–2021).
Nearby sales in NW3 5AB
16 18a, Belsize Lane, Camden, London, NW3 5AB
Sold Oct 2025
£954,000Rosslyn Heights, Flat 2, 2 Belsize Lane, London, NW3 5AB
Sold Oct 2024
£1,350,000Rosslyn Heights, Flat 5, 2 Belsize Lane, London, NW3 5AB
Sold Apr 2024
£1,925,00018 Belsize Lane, London, NW3 5AB
Sold Nov 2023
£825,000Flat 1, 8 Belsize Lane, London, NW3 5AB
Sold Nov 2021
£1,495,000
Everything we know about 22 Belsize Lane, 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 Lane homes
22 Belsize Lane outperforms the street on floor area by a wide margin.
Price per m²
£17,016
Street avg £11,681
Floor Area
191 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.7 t/year
Street avg 4.2 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
Rosslyn Hill — bus stop.
Closest school
0.2 km
Rosary Catholic Primary School. 59 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
52.7dB

Night-time· 23:00 – 07:00
42.2dB