First Floor Flat, 15 Cannon Place, London, NW3 1EH
About First Floor Flat
First Floor Flat is a semi-detached house in London (NW3 1EH). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to 1930-1949. The latest certificate (November 2018) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2018); the latest reading is one band lower. Between certificates, window efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 80).
Untraded for 28 years, with the last transfer in February 1998. Across 1995–1998, sale prices on this property compounded at 23% per year. Today's modelled estimate of £729,000 sits 239.1% above the 1998 sale of £215,000. On a £-per-square-foot basis, the last sale (£307/sq ft) was about 75.7% below the postcode norm. One planning record on file: new windows approved in 2008. Past consents include new windows, meaningful when judging how the property has evolved.
Know exactly what you're buying at First Floor Flat
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
EPC Rating
Planning history
- Mar 2008RenovationFullIn report
The replacement of the cental sash window in the bay at rear basement level with french doors.
New Windows- Documents
- 13 docs on file
- Reference
- 2008/0543/P
What's in First Floor Flat, 15 Cannon Place, London, NW3 1EH's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
First Floor Flat's modelled value sits at over four times its earliest registered sale price (1995).
£729,000
Modelled from EPC, postcode comparables and a sale-price growth of 23.0% per year over 3 years.
£215,000
Growth on file: 23.0% per year over 3 years.
Sales timeline
10 February 1998Most recent
£215,000
+72.0%over 2 years29 June 1995
£125,000
Median price across the last 5 sales in NW3 1EH: £4,800,000 (2024–2017).
Nearby sales in NW3 1EH
5 Cannon Place, Camden, London, NW3 1EH
Sold Feb 2024
£5,000,0007 Cannon Place, Camden, London, NW3 1EH
Sold Mar 2022
£890,000Garden Floor Flat, 23 Cannon Place, London, NW3 1EH
Sold Feb 2021
£1,650,00019 Cannon Place, Camden, London, NW3 1EH
Sold Aug 2017
£5,000,00013 Cannon Place, Camden, London, NW3 1EH
Sold Mar 2016
£5,700,000
Everything we know about First Floor Flat, 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 Cannon Place homes
First Floor Flat outperforms the street on years held by a wide margin.
Price per m²
£3,308
Street avg £18,160
Floor Area
65 m²
Street avg 88 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.8 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
0.2 km
Whitestone Pond / Jack Straw's Castle — bus stop.
Closest school
0.1 km
Christ Church Primary School, Hampstead. 47 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
51.2dB

Night-time· 23:00 – 07:00
41.5dB