Our Data Sources
21, Keston Avenue, Coulsdon has a single entry in the Land Registry from December 2018 and a single entry in the EPC database dated September 2025.
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, Keston Avenue, Coulsdon would be worth £628,561, with a potential rental value of £2,686 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £556,725, with a rental value of £2,379 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Keston Avenue, Coulsdon occupies a 381 m2 plot as recorded by HM Land Registry.
All 28 other houses in this postcode have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
21, Keston Avenue, Coulsdon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Sep 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler with radiators and underfloor heating, mains gas.
Sold Prices
21, Keston Avenue, Coulsdon last changed hands on 5th December 2018, selling for £380,000. 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 11.9% since December 2018.
- Sold Dec 2018£380,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 120 sales of comparable properties within 740 metres of 21, Keston Avenue, Coulsdon across the last 2 years.
Most recently, 33, Keston Avenue, Coulsdon, CR5 1HP, a freehold house, sold at £625,000 on the 7th January 2026.
Read more about house prices in CR5.
- Sold Jan 2026£625,000 | 4 Bed House33, Keston Avenue, Coulsdon, CR5 1HP33, Keston Avenue, Coulsdon, CR5 1HP
- Sold Feb 2025£565,000 | 4 Bed House34, Court Avenue, Coulsdon, CR5 1HE34, Court Avenue, Coulsdon, CR5 1HE
- Sold Jul 2023£685,000 | 4 Bed House80, Keston Avenue, Coulsdon, CR5 1HN80, Keston Avenue, Coulsdon, CR5 1HN
•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, Keston Avenue, Coulsdon as the 17th largest and the 25th most expensive of the 76 addresses on Keston Avenue, Coulsdon, CR5.
Against the CR5 postcode district average, it is £43k more expensive than the typical property.
More reading links
Schools Nearby
- Keston Primary School400 m away
- Coulsdon CofE Primary School900 m away
- New Valley Primary School1.2 km away
- Oasis Academy Coulsdon500 m away
- de Stafford School2.3 km away
- Riddlesdown Collegiate2.9 km away
More reading links
Public Transport Nearby
- Coulsdon South|2.2 km away
- Whyteleafe|2.3 km away
- Kenley|2.4 km away
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.
