Our Data Sources
21, Birchwood Avenue, Sidcup has a single entry in the Land Registry from September 2014 and a single entry in the EPC database dated May 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 21, Birchwood Avenue, Sidcup would be worth £836,790, with a potential rental value of £2,550 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £741,157, with a rental value of £2,258 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Birchwood Avenue, Sidcup occupies a 758 m2 plot as recorded by HM Land Registry.
All 17 other houses in this postcode have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
21, Birchwood Avenue, Sidcup has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 30 May 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Birchwood Avenue, Sidcup last changed hands on 25th September 2014, selling for £675,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 15.4% since September 2014.
- Sold Sep 2014£675,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 530 metres of 21, Birchwood Avenue, Sidcup across the last 2 years.
Most recently, 143, Wren Road, Sidcup, DA14 4NQ, a freehold house, sold at £735,000 on the 11th March 2026.
Read more about house prices in DA14.
- Sold Mar 2026£735,000 | 4 Bed House143, Wren Road, Sidcup, DA14 4NQ143, Wren Road, Sidcup, DA14 4NQ
- Sold Jul 2025£810,000 | 4 Bed House23, Walton Road, Sidcup, DA14 4LJ23, Walton Road, Sidcup, DA14 4LJ
- Sold Oct 2020£835,000 | 4 Bed House10, Walton Road, Sidcup, DA14 4LD10, Walton Road, Sidcup, DA14 4LD
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Birchwood Avenue, Sidcup as the 50th largest and the 31st most expensive of the 116 addresses on Birchwood Avenue, Sidcup, DA14.
Against the DA14 postcode district average, it is £365k more expensive than the typical property.
More reading links
Schools Nearby
- 400mBirkbeck Primary School
- 1.0kmHoly Trinity Lamorbey Church of England School
- 1.1kmOrchard Primary School
- 600mCleeve Park School
- 700mChislehurst and Sidcup Grammar School
- 900mHurstmere School
More reading links
Public Transport Nearby
- 700mSidcup
- 1.2kmAlbany Park
- 2.8kmBexley
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












