17 Blake House, Cottage Close, Harrow, HA2 0HG
About 17 Blake House
17 Blake House is a two-bedroom mid-terrace house in Harrow (HA2 0HG). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (September 2020) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 3 certificates since November 2008. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. At 80 m² this is the 16th 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 top.
Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Last sold in August 2011, so it's been off the market for around 15 years. Across 2005–2011, sale prices on this property compounded at 1.8% per year. Today's modelled estimate of £397,000 is 19.6% above the 2011 sale price.
Know exactly what you're buying at 17 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
What this property has
Inside
- Bedrooms2
Energy performance
17 Blake House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Low energy lighting percentage decreased
Hot water efficiency decreased
More low energy lighting installed
Planning history
17 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 17 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
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Sales history & valuation
£397,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.8% per year over 6 years.
£332,000
Growth on file: 1.8% per year over 6 years.
Sales timeline
15 August 2011Most recent
£332,000
+10.7%over 5 years23 December 2005
£300,000
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 17 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
EPC Rating for 17 Blake House runs comfortably ahead of the street norm.
Price per m²
£4,150
Street avg £4,683
Floor Area
80 m²
Street avg 71 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.5 t/year
Street avg 1.9 t/year
Similar properties nearby
1 Abbots Drive
HA2 0RE
1 Athena Close, Byron Hill Road
HA2 0JB
1 Crown Street
HA2 0HT
1 Blake House, Cottage Close
HA2 0HG
1 Emerald Court, Drinkwater Road
HA2 0FR
1 Clonmel Close
HA2 0JZ
1 Cowen Avenue
HA2 0LU
1 Chatsworth Gardens
HA2 0RS
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