Northcote House, Flat 1, Heath Street, London, NW3 1BD
About Northcote House
Northcote House is a semi-detached house in London (NW3 1BD). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (August 2018) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 80). At 118 m² this is the 2nd smallest of 5 units on EPC record in Northcote House, where floor areas span 54–127 m². The building's EPC ratings span D to C, with this unit at the bottom.
Across 2017–2020, sale prices on this property compounded at 11.1% per year. Today's modelled estimate of £1,389,000 is 23.5% above the 2020 sale price. Most recent transfer: October 2020 at £1,125,000. One historical planning record sits against the property in 2011.
Know exactly what you're buying at Northcote House
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
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
More low energy lighting installed
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Planning history
- Dec 2011OtherIn report
Installation of 2 communal satellite dishes, 1 new antenna, a main cabinet and new external cable runs to each residential flat (Class C3).
- Documents
- 7 docs on file
- Reference
- 2011/5340/P
What's in Northcote House, Flat 1, Heath Street, London, NW3 1BD'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.
£1,389,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.1% per year over 3 years.
£1,125,000
Growth on file: 11.1% per year over 3 years.
Sales timeline
26 October 2020Most recent
£1,125,000
+37.0%over 2 years31 October 2017
£821,000
Median price across the last 1 sales in NW3 1BD: £350,000 (2007–2007).
Nearby sales in NW3 1BD
Everything we know about Northcote House, 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 Heath Street homes
EPC Rating for Northcote House lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 65 (D)
Floor Area
118 m²
Street avg 108 m²
CO₂ Emissions
5.0 t/year
Street avg 4.0 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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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
0.1 km
Whitestone Pond / Jack Straw's Castle — bus stop.
Closest school
0.1 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
51.5dB

Night-time· 23:00 – 07:00
41.6dB