Our Data Sources
21, Brooklands Avenue, Sidcup has a single entry in the Land Registry from December 2010 and a single entry in the EPC database dated July 2010.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Brooklands Avenue, Sidcup, we estimate a market value of £712,500 and a rental value of £2,556 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £631,071 and £2,264 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Brooklands Avenue, Sidcup as measuring 278 m2.
That makes it the 15th largest plot in the postcode, where all 17 other houses have recorded plot data.
Energy Efficiency
21, Brooklands Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 21 Jul 2010.
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
The most recent sale of 21, Brooklands Avenue, Sidcup completed on 17th December 2010 at £347,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 69.2% over the period since December 2010.
- Sold Dec 2010£347,500
Similar Properties Sold Nearby
Since 2017 299 properties similar to 21, Brooklands Avenue, Sidcup have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th December 2025, was 42, Telford Road, London, SE9 3RD, a freehold house which sold for £628,400.
Read more about house prices in DA15.
- Sold Dec 2025£628,400 | 4 Bed House42, Telford Road, London, SE9 3RD42, Telford Road, London, SE9 3RD
- Sold Sep 2025£655,000 | 4 Bed House43, Marechal Niel Avenue, Sidcup, DA15 7PB43, Marechal Niel Avenue, Sidcup, DA15 7PB
- Sold Jul 2025£763,800 | 4 Bed House15, Marechal Niel Avenue, Sidcup, DA15 7PB15, Marechal Niel Avenue, Sidcup, DA15 7PB
- Sold Jun 2025£637,000 | 4 Bed House90, Harland Avenue, Sidcup, DA15 7PQ90, Harland Avenue, Sidcup, DA15 7PQ
- Sold Jun 2025£750,000 | 4 Bed House22, Dulverton Road, London, SE9 3RH22, Dulverton Road, London, SE9 3RH
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 £647,603, ranging from £510,067 to £842,060.
- 23 Brooklands Avenue
3 Bed House | 6 m | Est. Value: £589,222
- 19 Brooklands Avenue
4 Bed House | 9 m | Est. Value: £646,737
- 15 Brooklands Avenue
4 Bed House | 24 m | Est. Value: £680,175
- 1A Westbrooke Road
4 Bed House | 30 m | Est. Value: £626,703
- 29 Brooklands Avenue
4 Bed House | 31 m | Est. Value: £768,074
Location Comparison
Of the 101 addresses on Brooklands Avenue, Sidcup, DA15, 21, Brooklands Avenue, Sidcup comes out as the 24th largest and the 18th most expensive in our analysis of the public data.
It is also £175k more expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Dulverton Primary School300 m away
- Longlands Primary School700 m away
- Wyborne Primary School1.1 km away
- Chislehurst and Sidcup Grammar School1.8 km away
- Chislehurst School for Girls1.8 km away
- Leigh Stationers' Academy2.1 km away
More reading links
Public Transport Nearby
- New Eltham|900 m away
- Sidcup|1.5 km away
- Mottingham|2.3 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












