1 Belsize Lane, Camden, London, NW3 5AA
About 1 Belsize Lane
1 Belsize Lane is a five-bedroom detached house in Camden, London, London (NW3 5AA). It has a recorded floor area of 416 m² (around 4478 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (May 2022) shows a C (score 74). When first surveyed in September 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Poor to Average and lighting went from Poor to Very Good.
8 planning records sit against the property, 7 approved, 1 refused. Past consents include new windows, an extension and a basement excavation, meaningful when judging how the property has evolved. Today's modelled estimate of £8,132,000 is 11.4% above the 2022 sale price. Sold December 2022 for £7,300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 1 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
- Bedrooms5
- Bathrooms5
- Dining roomYes
- StudyYes
Energy performance
1 Belsize Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Planning history
1 Belsize Lane has been through 7 approved planning applications — a well-evolved property.
- Dec 2023
- May 2023RenovationFullIn report
Replacement of two ground floor side doors with windows and replacement gate on Perceval Ave.
New Windows- Documents
- 6 docs on file
- Reference
- 2023/1455/P
We flagged 1 thing worth checking at 1 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£8,132,000
Modelled from EPC, postcode comparables.
£7,300,000
Recorded with HM Land Registry.
Sales timeline
19 December 2022Most recent
£7,300,000
Everything we know about 1 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

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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
0.1 km
Rosary Catholic Primary School. 60 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
42.3dB