Our Data Sources
20, Thistledene Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated February 2009.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 20, Thistledene Avenue, Harrow would be worth £544,731, with a potential rental value of £2,399 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £482,476, with a rental value of £2,124 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
20, Thistledene Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Feb 2009.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
20, Thistledene Avenue, Harrow last changed hands on 16th June 2006, selling for £245,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Jun 2006£245,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 286 sales of comparable properties within 460 metres of 20, Thistledene Avenue, Harrow since 2020.
Most recently, 90, Royal Crescent, Ruislip, HA4 0PR, a freehold house, sold at £601,000 on the 18th February 2026.
Read more about house prices in HA2.
- Sold Feb 2026£601,000 | 3 Bed House90, Royal Crescent, Ruislip, HA4 0PR90, Royal Crescent, Ruislip, HA4 0PR
- Sold Dec 2025£350,000 | 3 Bed House159, Royal Crescent, Ruislip, HA4 0PN159, Royal Crescent, Ruislip, HA4 0PN
- Sold Oct 2025£520,000 | 3 Bed House863, Victoria Road, Ruislip, HA4 0JJ863, Victoria Road, Ruislip, HA4 0JJ
- Sold Sep 2025£520,000 | 3 Bed House14, Thistledene Avenue, Harrow, HA2 9HL14, Thistledene Avenue, Harrow, HA2 9HL
- Sold Sep 2025£560,000 | 3 Bed House8, Torbay Road, Harrow, HA2 9QH8, Torbay Road, Harrow, HA2 9QH
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £530,380, ranging from £441,554 to £704,025.
- 18 Thistledene Avenue
3 Bed House | 1 m | Est. Value: £557,741
- 22 Thistledene Avenue
3 Bed House | 12 m | Est. Value: £486,463
- 16 Thistledene Avenue
3 Bed House | 12 m | Est. Value: £493,502
- 14 Thistledene Avenue
3 Bed House | 13 m | Est. Value: £486,463
- 26 Thistledene Avenue
3 Bed House | 22 m | Est. Value: £508,846
Location Comparison
Our analysis of the public data ranks 20, Thistledene Avenue, Harrow as the 9th largest and the 9th most expensive of the 16 addresses on Thistledene Avenue, Harrow, HA2.
Against the HA2 postcode district average, it is £28k more expensive than the typical property.
More reading links
Schools Nearby
- Earlsmead Primary School700 m away
- Heathland School700 m away
- Deanesfield Primary School800 m away
- Rooks Heath School600 m away
- Queensmead School800 m away
- Islip Manor High School1.1 km away
More reading links
Public Transport Nearby
- South Ruislip|1.4 km away
- Northolt Park|1.5 km away
- Rayners Lane|1.6 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












