Flat 1, 23 Well Walk, London, NW3 1BY
About Flat 1
Flat 1 is an end-of-terrace house in London (NW3 1BY). It has a recorded floor area of 122 m² (around 1313 sq ft) and construction records dating it to before 1900. The latest certificate (February 2016) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2009–2016, sale prices on this property compounded at 12.2% per year. On a £-per-square-foot basis, the last sale (£1,637/sq ft) was about 154.4% above the typical sold price in the postcode. 10 years since the last transfer (June 2016).
Know exactly what you're buying at Flat 1
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Flat 1's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Feb 2026
EPC Rating
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Sale price has at least doubled since 2009.
£1,982,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.2% per year over 7 years.
£2,150,000
Growth on file: 12.2% per year over 7 years.
Sales timeline
6 June 2016Most recent
£2,150,000
+121.6%over 6 years30 June 2009
£970,000
Median price across the last 5 sales in NW3 1BY: £1,500,000 (2023–2011).
Nearby sales in NW3 1BY
17a, Well Walk, Camden, London, NW3 1BY
Sold Aug 2023
£1,575,000Flat 2, 23 Well Walk, London, NW3 1BY
Sold Nov 2020
£1,500,000Flat 3, 23 Well Walk, London, NW3 1BY
Sold Sept 2017
£1,219,00027 Well Walk, Camden, London, NW3 1BY
Sold Jan 2011
£2,200,00015 Well Walk, Camden, London, NW3 1BY
Sold Jul 2010
£780,000
Everything we know about Flat 1, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Well Walk homes
EPC Rating for Flat 1 lags the street by a wide margin.
Price per m²
£17,623
Street avg £9,821
Floor Area
122 m²
Street avg 136 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
6.0 t/year
Street avg 5.6 t/year
Similar properties nearby
1a, Flat 1, Old Brewery Mews, Camden
NW3 1PZ
25 26, Flat 2, Hampstead High Street
NW3 1QA
25 26, Flat 5, Hampstead High Street
NW3 1QA
25 26, Flat 1, Hampstead High Street
NW3 1QA
25 26, Flat 3, Hampstead High Street
NW3 1QA
24d, Garden Flat, East Heath Road, Camden
NW3 1EB
25 26, Flat 4, Hampstead High Street
NW3 1QA
102, Flat 1, Heath Street
NW3 1DR
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
0.4 km
Whitestone Pond / Jack Straw's Castle — bus stop.
Closest school
0.2 km
Christ Church Primary School, Hampstead. 49 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
50.7dB
Night-time· 23:00 – 07:00
41.2dB