4 Avenue House, Belsize Park Gardens, London, NW3 4LA
About 4 Avenue House
4 Avenue House is a three-bedroom end-of-terrace house in London (NW3 4LA). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to before 1900 and council tax band G. At 117 m² this is the smallest unit on EPC record across the building (117–146 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2014) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since August 2009. Between certificates, 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 B (score 84). The latest certificate is from February 2014, so improvements made since then won't be reflected.
Untraded for 17 years, with the last transfer in October 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2009–2009, sale prices on this property compounded at 58.3% per year. Today's modelled estimate of £1,417,000 is 49.2% above the 2009 sale price.
Know exactly what you're buying at 4 Avenue House
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
- ParkingOff street
Energy performance
4 Avenue House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Feb 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Planning history
4 Avenue House has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 2 things worth checking at 4 Avenue House
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
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
4 Avenue House changed hands twice within eighteen months — unusual for the area.
£1,417,000
Modelled from EPC, postcode comparables and a sale-price growth of 58.3% per year over 1 year.
£950,000
Growth on file: 58.3% per year over 1 year.
Sales timeline
8 October 2009Most recent
£950,000
+58.3%over 7 months24 March 2009
£600,000
Median price across the last 4 sales in NW3 4LA: £872,500 (2016–2000).
Everything we know about 4 Avenue House, 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
- Recent ownership pattern worth a look

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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
0.0 km
Belsize Village — bus stop.
Closest school
0.4 km
Rosary Catholic Primary School. 65 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
53.1dB

Night-time· 23:00 – 07:00
42.1dB