12 Blake House, Cottage Close, Harrow, HA2 0HG
About 12 Blake House
12 Blake House is an end-of-terrace house in Harrow (HA2 0HG). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 2003-2006 and council tax band D. At 47 m² this is the 6th smallest of 21 units on EPC record in the building, where floor areas span 45–106 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (May 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since April 2015. Between certificates, lighting went from Very Poor to Good.
At 47 m² it sits well below the postcode median (74 m² across 40 EPCs), making it one of the more compact homes locally. Across 2005–2015, sale prices on this property compounded at 1.9% per year. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 34.4% above the typical sold price in the postcode. Last changed hands 11 years ago, in August 2015.
Know exactly what you're buying at 12 Blake House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
12 Blake House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
12 Blake House has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 2 things worth checking at 12 Blake House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
£287,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 10 years.
£271,000
Growth on file: 1.9% per year over 10 years.
Sales timeline
27 August 2015Most recent
£271,000
+20.4%over 9 years25 November 2005
£225,000
Median price across the last 5 sales in HA2 0HG: £278,000 (2025–2022).
Nearby sales in HA2 0HG
2 Siddons House, Cottage Close, Harrow, HA2 0HG
Sold Feb 2025
£435,0007 Blake House, Cottage Close, Harrow, HA2 0HG
Sold Feb 2023
£360,0003 Blake House, Cottage Close, Harrow, HA2 0HG
Sold Jan 2023
£278,0005 Siddons House, Cottage Close, Harrow, HA2 0HG
Sold Sept 2022
£275,0004 Siddons House, Cottage Close, Harrow, HA2 0HG
Sold Jul 2022
£305,000
Everything we know about 12 Blake House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Cottage Close homes
12 Blake House outperforms the street on price per m² by a wide margin.
Price per m²
£5,766
Street avg £4,642
Floor Area
47 m²
Street avg 72 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.9 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
0.1 km
Roxeth Hill — bus stop.
Closest school
0.1 km
St Dominic's Sixth Form College. 29 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
48.8dB
Night-time· 23:00 – 07:00
40.7dB