Our Data Sources
21, Byron Avenue, Coulsdon has a single entry in the Land Registry from November 2009 and a single entry in the EPC database dated July 2009.
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
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, Byron Avenue, Coulsdon, we estimate a market value of £651,012 and a rental value of £2,596 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £576,611 and £2,299 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Byron Avenue, Coulsdon as measuring 682 m2.
That makes it the 5th largest plot in the postcode, where all 31 other houses have recorded plot data.
Energy Efficiency
21, Byron Avenue, Coulsdon has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 16 Jul 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
The most recent sale of 21, Byron Avenue, Coulsdon completed on 12th November 2009 at £351,000 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 97.5% over the period since November 2009.
- Sold Nov 2009£351,000
Similar Properties Sold Nearby
Since 2014 121 properties similar to 21, Byron Avenue, Coulsdon have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 1st May 2026, was 55, Byron Avenue, Coulsdon, CR5 2JS, a freehold house which sold for £550,000.
Read more about house prices in CR5.
- Sold May 2026£550,000 | 3 Bed House55, Byron Avenue, Coulsdon, CR5 2JS55, Byron Avenue, Coulsdon, CR5 2JS
- Sold May 2026£607,500 | 4 Bed House7, Petersfield Crescent, Coulsdon, CR5 2JQ7, Petersfield Crescent, Coulsdon, CR5 2JQ
- Sold Apr 2026£587,000 | 4 Bed House38, Woodhatch Spinney, Coulsdon, CR5 2SU38, Woodhatch Spinney, Coulsdon, CR5 2SU
- Sold Mar 2026£610,000 | 4 Bed House66, Coulsdon Road, Coulsdon, CR5 2LB66, Coulsdon Road, Coulsdon, CR5 2LB
- Sold Aug 2025£635,000 | 4 Bed House90, Hartley Down, Purley, CR8 4EB90, Hartley Down, Purley, CR8 4EB
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 £607,000, ranging from £460,541 to £726,170.
- 25 Byron Avenue
4 Bed House | 24 m | Est. Value: £613,401
- 27 Byron Avenue
3 Bed House | 36 m | Est. Value: £525,105
- 15 Byron Avenue
4 Bed House | 38 m | Est. Value: £695,342
- 22 Byron Avenue
4 Bed House | 47 m | Est. Value: £648,097
- 28 Byron Avenue
4 Bed House | 51 m | Est. Value: £726,170
Location Comparison
Of the 62 addresses on Byron Avenue, Coulsdon, CR5, 21, Byron Avenue, Coulsdon comes out as the 44th largest and the 46th most expensive in our analysis of the public data.
It is also £61k more expensive than the average property across the CR5 district.
More reading links
Schools Nearby
- Oasis Academy Byron600 m away
- Smitham Primary School1.0 km away
- New Valley Primary School1.1 km away
- Woodcote High School1.5 km away
- Oasis Academy Coulsdon2.4 km away
- Thomas More Catholic School2.8 km away
More reading links
Public Transport Nearby
- Coulsdon Town|500 m away
- Coulsdon South|700 m away
- Reedham (London)|1.5 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.
