Our Data Sources
21, Biddestone Avenue, Swindon has a single entry in the Land Registry from April 2016 and a single entry in the EPC database dated May 2026.
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, Biddestone Avenue, Swindon, we estimate a market value of £397,799 and a rental value of £1,712 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £352,336 and £1,516 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Biddestone Avenue, Swindon as measuring 235 m2.
That makes it the 29th largest plot in the postcode, where 31 of the 32 other houses have recorded plot data.
Energy Efficiency
21, Biddestone Avenue, Swindon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 May 2026.
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, Biddestone Avenue, Swindon completed on 18th April 2016 at £255,995 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 15.8% over the period since April 2016.
- Sold Apr 2016£255,995
Similar Properties Sold Nearby
Since 2016 136 properties similar to 21, Biddestone Avenue, Swindon have sold within a radius of 950 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th November 2025, was 21, Chalcot Road, Swindon, SN3 6BL, a leasehold house which sold for £360,000.
Read more about house prices in SN3.
- Sold Nov 2025£360,000 | 3 Bed House21, Chalcot Road, Swindon, SN3 6BL21, Chalcot Road, Swindon, SN3 6BL
- Sold Nov 2025£375,000 | 3 Bed House17, Fairwood, Swindon, SN3 6BQ17, Fairwood, Swindon, SN3 6BQ
- Sold Nov 2025£350,000 | 3 Bed House5, Polesdon Avenue, Swindon, SN3 6AE5, Polesdon Avenue, Swindon, SN3 6AE
- Sold Mar 2025£337,000 | 3 Bed House10, Coate Lane, Swindon, SN3 6GD10, Coate Lane, Swindon, SN3 6GD
- Sold Jan 2025£360,000 | 3 Bed House8, Ballyack Close, Swindon, SN3 6EG8, Ballyack Close, Swindon, SN3 6EG
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 £376,372, ranging from £306,424 to £478,163.
- 19 Biddestone Avenue
3 Bed House | 7 m | Est. Value: £372,080
- 23 Biddestone Avenue
3 Bed House | 12 m | Est. Value: £378,856
- 25 Biddestone Avenue
3 Bed House | 18 m | Est. Value: £378,856
- 17 Biddestone Avenue
4 Bed House | 18 m | Est. Value: £446,551
- 15 Biddestone Avenue
3 Bed House | 29 m | Est. Value: £410,622
Location Comparison
Of the 70 addresses on Biddestone Avenue, Coate, Swindon, SN3, 21, Biddestone Avenue, Swindon comes out as the 61st largest and the 60th most expensive in our analysis of the public data.
It is also £97k more expensive than the average property across the SN3 district.
More reading links
Schools Nearby
- Badbury Park Primary School300 m away
- Liden Academy800 m away
- Oaktree Nursery and Primary School1.4 km away
- The Dorcan Academy2.2 km away
- Lawn Manor Academy2.3 km away
- St Joseph's Catholic College3.1 km away
More reading links
Public Transport Nearby
- Swindon (Wilts)|4.2 km away
- Bedwyn|20.4 km away
- Hungerford|21.0 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












