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Rosslyn Heights, Flat 1, 2 Belsize Lane, London, NW3 5AB

3 sales on record
Property type
Semi-detached
Floor 02
Habitable rooms
3
From EPC
Floor area
72 m²
775 sq ft
Energy rating
C
Score 69
Council tax
Band F
Tenure
Owner Occupied
Overview

About Rosslyn Heights

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Rosslyn Heights is a semi-detached house in London (NW3 5AB). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band F. At 72 m² this is the smallest 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 (January 2023) shows a C (score 69), just inside the C band. When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor; while main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81).

Across 2000–2020, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £1,143,000 is 12.7% below the 2020 sale of £1,310,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,690/sq ft) was about 169.5% above the typical sold price in the postcode. At 72 m² it sits well below the postcode median (111 m² across 26 EPCs), making it one of the more compact homes locally. Last sale on file: £1,310,000 in July 2020.

Before you offer

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

Larger development activity nearby
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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 6)
Jan 2023

EPC Rating

A
B
C
C69
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
2.6 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2009from Jan 2009
Heating Controls
FullProg + Stat

Heating controls changed

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Windows
SinglePartial Double

Single glazing replaced with double or better glazing

Walls
Very PoorGood

Wall insulation improved

Low Energy Lighting
100%0%

Low energy lighting percentage decreased

May 2010from Jan 2009
EPC improved fromD64toC70
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
GoodVery Good

Hot water efficiency improved

Mar 2020from May 2010
EPC improved fromC70toD57
Hot Water
Very GoodGood

Hot water efficiency decreased

Windows
SinglePartial Double

Single glazing replaced with double or better glazing

Low Energy Lighting
0%100%

More low energy lighting installed

Mar 2021from Mar 2020
Low Energy Lighting
100%0%

Low energy lighting percentage decreased

Jan 2023from Mar 2021
EPC improved fromD68toC69
Walls
Very PoorPoor

Wall insulation improved

Low Energy Lighting
0%80%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against Rosslyn Heights, Flat 1, 2 Belsize Lane, London, NW3 5AB, sourced from the PlanIt planning register.

Rosslyn Heights has no planning applications on record.

Notable planning nearby

2applications of note in the surrounding area

Before you offer

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
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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Sale price has grown by over 3x since 2000.

Current estimate

£1,143,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 20 years.

See how we calculated this
Last sold (2020)

£1,310,000

Growth on file: 6.4% per year over 20 years.

Sales timeline

  1. 16 July 2020Most recent

    £1,310,000

    +31.7%over 5 years
  2. 7 January 2015

    £995,000

    +165.3%over 14 years
  3. 5 April 2000

    £375,000

Median price across the last 5 sales in NW3 5AB: £1,350,000 (2025–2023).

Before you offer

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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Belsize Lane homes

Four headline reads against 24 similar flats on this street, drawn from the latest EPC and Land Registry data.

Rosslyn Heights outperforms the street on price per m² by a wide margin.

Price per m²

£18,194

Street avg £11,612

Strongly above

Floor Area

72 m²

Street avg 113 m²

Strongly below

Habitable Rooms

3 rooms

Street avg 4 rooms

Below

CO₂ Emissions

2.6 t/year

Street avg 4.3 t/year

Strongly above
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the London district page.

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around NW3 5AB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NW3 5AB

Daytime· 07:00 – 23:00

52.7dB

Low
Night-time road noise heatmap for NW3 5AB

Night-time· 23:00 – 07:00

42.2dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Rosslyn Heights, Flat 1, 2 Belsize Lane, London, NW3 5AB. Each answer is also embedded as structured data for search engines.