45b, Belsize Park Gardens, Camden, London, NW3 4JL
About 45b
45b is a three-bedroom end-of-terrace house in Camden, London, London (NW3 4JL). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1900-1929 and council tax band G. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony. At 126 m² this is the 8th smallest of 10 units on EPC record in the building, where floor areas span 24–624 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (February 2022) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2009. Between certificates, window efficiency went from Poor to Average and lighting went from Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 77).
It hasn't traded since December 2010, a hold of 15 years that's notably long for the area. At 126 m² the property is well over the postcode median (72 m² across 25 EPCs), placing it in the larger end of the local stock. Across 2004–2010, sale prices on this property compounded at 13.7% per year. Today's modelled estimate of £1,441,000 is 49.2% above the 2010 sale price.
Know exactly what you're buying at 45b
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
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
Outside
- ParkingYes
- BalconyYes
Building
- Central heatingYes
- Underfloor heatingYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
45b has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 45b
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
45b has more than doubled in price since the earliest registered sale in 2004.
£1,441,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.7% per year over 7 years.
£966,000
Growth on file: 13.7% per year over 7 years.
Sales timeline
16 December 2010Most recent
£966,000
+43.1%over 4 years28 June 2006
£675,000
+67.9%over 2 years23 February 2004
£402,000
Median price across the last 5 sales in NW3 4JL: £800,000 (2024–2018).
Nearby sales in NW3 4JL
Flat 2, 51 Belsize Park Gardens, Camden, London, NW3 4JL
Sold Jun 2024
£775,00049a, Belsize Park Gardens, Camden, London, NW3 4JL
Sold Oct 2021
£620,00049b, Belsize Park Gardens, Camden, London, NW3 4JL
Sold Feb 2021
£1,899,950Flat 3, 51 Belsize Park Gardens, London, NW3 4JL
Sold Dec 2017
£485,000Flat 4, 47 Belsize Park Gardens, London, NW3 4JL
Sold Oct 2016
£630,000
Everything we know about 45b, 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
45b outperforms the street on floor area by a wide margin.
Price per m²
£7,667
Street avg £11,610
Floor Area
126 m²
Street avg 78 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
4.6 t/year
Street avg 3.1 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
0.3 km
Belsize Village — bus stop.
Closest school
0.5 km
Rosary Catholic Primary School. 76 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
42.0dB