Our Data Sources
Flat 2, Thornton Dene, Sidcup has a single entry in the Land Registry from April 2011 and a single entry in the EPC database dated July 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 2, Thornton Dene, Sidcup would be worth £335,994, with a potential rental value of £1,605 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £297,595, with a rental value of £1,422 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 2, Thornton Dene, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Jul 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
Flat 2, Thornton Dene, Sidcup last changed hands on 5th April 2011, selling for £195,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 63.2% since April 2011.
- Sold Apr 2011£195,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 214 sales of comparable properties within 570 metres of Flat 2, Thornton Dene, Sidcup since 2017.
Most recently, 5, Brendon, Sidcup, DA14 6DD, a leasehold flat, sold at £265,000 on the 2nd December 2025.
Read more about house prices in DA14.
- Sold Dec 2025£265,000 | 2 Bed Flat5, Brendon, Sidcup, DA14 6DD5, Brendon, Sidcup, DA14 6DD
- Sold Sep 2025£315,000 | 2 Bed FlatFlat 1, Rossmore, Chislehurst Road, Sidcup, DA14 6BJFlat 1, Rossmore, Chislehurst Road, Sidcup, DA14 6BJ
- Sold Aug 2025£270,000 | 2 Bed FlatFlat 7, Moreton, Chislehurst Road, Sidcup, DA14 6BHFlat 7, Moreton, Chislehurst Road, Sidcup, DA14 6BH
- Sold Jun 2025£350,000 | 3 Bed Flat11, Green Acres, Sidcup, DA14 6PJ11, Green Acres, Sidcup, DA14 6PJ
- Sold Jun 2025£300,000 | 3 Bed Flat1, Green Acres, Sidcup, DA14 6PJ1, Green Acres, Sidcup, DA14 6PJ
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 £312,344, ranging from £264,160 to £379,059.
- Flat 1 Thornton Dene
2 Bed Flat | 0 m | Est. Value: £319,994
- Flat 3 Thornton Dene
2 Bed Flat | 0 m | Est. Value: £319,994
- Flat 5 Thornton Dene
2 Bed Flat | 0 m | Est. Value: £328,186
- Flat 6 Thornton Dene
2 Bed Flat | 0 m | Est. Value: £328,186
- Flat 4 Thornton Dene
2 Bed Flat | 0 m | Est. Value: £330,892
Location Comparison
Our analysis of the public data ranks Flat 2, Thornton Dene, Sidcup as the 36th largest and the 25th most expensive of the 88 addresses on Chislehurst Road, Sidcup, DA14.
Against the DA14 postcode district average, it is £111k less expensive than the typical property.
More reading links
Schools Nearby
- Orchard Primary School800 m away
- Birkbeck Primary School1.1 km away
- Longlands Primary School1.1 km away
- Chislehurst School for Girls900 m away
- Kemnal Technology College1.4 km away
- Cleeve Park School1.5 km away
More reading links
Public Transport Nearby
- Sidcup|1.3 km away
- Albany Park|2.4 km away
- New Eltham|2.6 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












