Flat 3, 48 Well Walk, London, NW3 1BT
About Flat 3
Flat 3 is a property in London (NW3 1BT). It has a recorded floor area of 115 m² (around 1234 sq ft) and council tax band G. At 115 m² this is the largest unit on EPC record across the building (33–115 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (49 versus a best of 72). The latest certificate (November 2009) shows an E (score 49), well below the UK norm with real room to improve. The latest certificate is from November 2009, so improvements made since then won't be reflected.
Untraded for 16 years, with the last transfer in February 2010. At 115 m² the property is well over the postcode median (83 m² across 6 EPCs), placing it in the larger end of the local stock. Across 2006–2010, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £1,564,000 sits 91.9% above the 2010 sale of £815,000. On a £-per-square-foot basis, the last sale (£660/sq ft) was about 23.7% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include new windows, meaningful when judging how the property has evolved.
Know exactly what you're buying at Flat 3
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 3'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This certificate is over 10 years old and is no longer valid.Expired 06 Nov 2019
EPC Rating
Planning history
- Nov 2011RenovationFullIn report
Replacement of windows at first floor level of flat (Class C3).
New Windows- Documents
- 5 docs on file
- Reference
- 2011/4490/P
- Aug 2010RenovationFullIn report
Replacement of existing single pane window with sash window to existing flat (Class C3)
New Windows- Reference
- 2010/4676/INVALID
What's in Flat 3, 48 Well Walk, London, NW3 1BT's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Flat 3 valuation sits well clear of the typical sold price in this postcode.
£1,564,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 3 years.
£815,000
Growth on file: 7.5% per year over 3 years.
Sales timeline
8 February 2010Most recent
£815,000
+26.4%over 3 years17 November 2006
£645,000
Median price across the last 5 sales in NW3 1BT: £650,000 (2024–2002).
Nearby sales in NW3 1BT
Flat 4, 48 Well Walk, London, NW3 1BT
Sold May 2024
£610,000Upper Wellside, Well Walk, Camden, London, NW3 1BT
Sold Oct 2015
£650,000Flat 2, 48 Well Walk, Camden, London, NW3 1BT
Sold May 2006
£775,000Flat 5, 48 Well Walk, London, NW3 1BT
Sold Jun 2002
£452,000Flat 2, 50 Well Walk, Camden, London, NW3 1BT
Sold May 2002
£925,000
Everything we know about Flat 3, 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
On epc rating, Flat 3 runs well behind the street norm.
Price per m²
£7,107
Street avg £10,503
Floor Area
115 m²
Street avg 129 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
7.2 t/year
Street avg 6.9 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
0.5 km
Whitestone Pond / Jack Straw's Castle — bus stop.
Closest school
0.3 km
Christ Church Primary School, Hampstead. 50 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
50.3dB

Night-time· 23:00 – 07:00
40.8dB