Rosslyn Heights, Flat 2, 2 Belsize Lane, London, NW3 5AB
About Rosslyn Heights
Rosslyn Heights is a semi-detached house in London (NW3 5AB). It has a recorded floor area of 191 m² (around 2056 sq ft) and construction records dating it to before 1900. At 191 m² this is the largest unit on EPC record across Rosslyn Heights (72–191 m²). The building's EPC ratings span E to C, with this unit at the top. 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.
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. Most recent transfer: October 2024 at £1,350,000. Across the public record there are 5 sales, relatively high churn for a single property. Across 2001–2024, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £1,884,000 is 39.6% above the 2024 sale price.
Know exactly what you're buying at Rosslyn Heights
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 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
Rosslyn Heights has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Rosslyn Heights
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
Rosslyn Heights has more than tripled in price since its earliest registered sale in 2001.
£1,884,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 24 years.
£1,350,000
Growth on file: 5.1% per year over 24 years.
Sales timeline
13 October 2024Most recent
£1,350,000
+16.7%over 4 years26 July 2020
£1,156,900
-10.0%over 4 years20 January 2016
£1,285,000
+52.3%over 4 years11 August 2011
£844,000
+102.4%over 10 years30 January 2001
£417,000
Median price across the last 5 sales in NW3 5AB: £1,495,000 (2025–2021).
Nearby sales in NW3 5AB
16 18a, Belsize Lane, Camden, London, NW3 5AB
Sold Oct 2025
£954,000Rosslyn Heights, Flat 5, 2 Belsize Lane, London, NW3 5AB
Sold Apr 2024
£1,925,00018 Belsize Lane, London, NW3 5AB
Sold Nov 2023
£825,00022 Belsize Lane, London, NW3 5AB
Sold Aug 2023
£3,250,000Flat 1, 8 Belsize Lane, London, NW3 5AB
Sold Nov 2021
£1,495,000
Everything we know about Rosslyn Heights, 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
Rosslyn Heights is notably below the street on price per m².
Price per m²
£7,068
Street avg £12,266
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