21 Blake House, Harrow
21 Blake House, Harrow
Description & Estimates







Public records show 21 Blake House, Harrow to be a modern leasehold apartment with 861 ft2 of internal area.
In this area, apartments of this size normally have 3 bedrooms.
21 Blake House, Harrow has an estimated sale value of £360,611 and an estimated rental value of £2,166 per month, assuming reasonable condition and based on the information available.
The apartment sits within Blake House, Cottage Close, Harrow, HA2.
Cottage Close, Harrow, HA2 lies in the borough of Harrow, within the HA2 postal district.
Our Data Sources
21 Blake House, Harrow has 31 entries in the Land Registry , most recently in August 2017 and a single entry in the EPC database dated March 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21 Blake House, Harrow would be worth £378,642, with a potential rental value of £2,274 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £335,369, with a rental value of £2,015 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 21 Blake House, Harrow has fallen by £3,019 (0.8%) over the last year. During the same period, its estimated monthly rental value has moved up by £41 (1.9%). The property's estimated gross yield is currently 7.2%.
Energy Efficiency
21 Blake House, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Mar 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, electric.
Sold Prices
21 Blake House, Harrow last changed hands on 31st August 2017, selling for £435,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has dropped by 10.8% since August 2017.
- Sold Aug 2017£435,000
- Sold Feb 2013£305,000
- Sold Apr 2006£346,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 540 metres of 21 Blake House, Harrow across the last 2 years.
Most recently, 7 Blake House, Cottage Close, Harrow, HA2 0HG, a leasehold flat, sold at £360,000 on the 10th February 2023.
Read more about house prices in HA2.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 21 Blake House, Harrow as the 36th largest and the 54th most expensive of the 96 addresses on Cottage Close, Harrow, HA2.
Against the HA2 postcode district average, it is £130k less expensive than the typical property.
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Schools Nearby
- 300mRoxeth Primary School
- 800mSt George's Primary Catholic Voluntary Academy
- 900mSt Anselm's Catholic Primary School
- 1.0kmWhitmore High School
- 1.7kmHarrow High School
- 2.2kmRooks Heath School
More reading links
Public Transport Nearby
South Harrow station is the nearest stop to 21 Blake House, Harrow at 800 metres away.
- 800mSouth Harrow
- 1.1kmSudbury Hill Harrow
- 1.2kmSudbury Hill
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

