Garden Floor Flat, 23 Cannon Place, London, NW3 1EH
About Garden Floor Flat
Garden Floor Flat is a semi-detached house in London (NW3 1EH). It has a recorded floor area of 59 m² (around 638 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (October 2011) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 4 certificates since April 2010. Between certificates, window efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Very Good to Poor. Main heating runs on electricity. The latest certificate is from October 2011, so improvements made since then won't be reflected.
On a £-per-square-foot basis, the last sale (£2,585/sq ft) was about 133.2% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. At 59 m² it's 22% smaller than the typical home in the postcode (76 m² median across 24 EPCs). Sold February 2021 for £1,650,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Garden 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
Garden Floor Flat'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This certificate is over 10 years old and is no longer valid.Expired 25 Oct 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Low energy lighting percentage decreased
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Hot water system upgraded
Planning history
- Jan 2013OutbuildingFullIn report
Erection of outbuilding within rear garden.
- Documents
- 26 docs on file
- Reference
- 2012/6318/P
- Nov 2012ExtensionFullIn report
Erection of single storey outbuilding to rear garden of existing flat (Class C3)
- Documents
- 25 docs on file
- Reference
- 2012/4747/P
What's in Garden Floor Flat, 23 Cannon Place, London, NW3 1EH's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,592,000
Modelled from EPC, postcode comparables.
£1,650,000
Recorded with HM Land Registry.
Sales timeline
24 February 2021Most recent
£1,650,000
Median price across the last 5 sales in NW3 1EH: £5,000,000 (2024–2016).
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
£890,00019 Cannon Place, Camden, London, NW3 1EH
Sold Aug 2017
£5,000,00013 Cannon Place, Camden, London, NW3 1EH
Sold Mar 2016
£5,700,00015 Cannon Place, Camden, London, NW3 1EH
Sold Oct 2014
£2,550,000
Everything we know about Garden 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
Floor Area for Garden Floor Flat lags the street by a wide margin.
Price per m²
£27,829
Street avg £15,435
Floor Area
59 m²
Street avg 88 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
4.1 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