Our Data Sources
21, William Avenue, Folkestone has a single entry in the Land Registry from January 2011 and a single entry in the EPC database dated August 2010.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21, William Avenue, Folkestone would be worth £470,574, with a potential rental value of £1,765 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £416,794, with a rental value of £1,564 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, William Avenue, Folkestone occupies a 318 m2 plot as recorded by HM Land Registry.
All 34 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
21, William Avenue, Folkestone has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Aug 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
21, William Avenue, Folkestone last changed hands on 5th January 2011, selling for £260,000. 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 49.8% since January 2011.
- Sold Jan 2011£260,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 200 sales of comparable properties within 760 metres of 21, William Avenue, Folkestone since 2013.
Most recently, 3, Southmead Close, Folkestone, CT19 5LH, a freehold house, sold at £525,000 on the 23rd January 2026.
Read more about house prices in CT19.
- Sold Jan 2026£525,000 | 4 Bed House3, Southmead Close, Folkestone, CT19 5LH3, Southmead Close, Folkestone, CT19 5LH
- Sold Jun 2025£420,000 | 4 Bed House42, Cornwallis Avenue, Folkestone, CT19 5JW42, Cornwallis Avenue, Folkestone, CT19 5JW
- Sold Oct 2024£450,000 | 4 Bed House11, William Avenue, Folkestone, CT19 5TL11, William Avenue, Folkestone, CT19 5TL
- Sold Sep 2024£455,000 | 4 Bed House6, Old Mead, Folkestone, CT19 5UR6, Old Mead, Folkestone, CT19 5UR
- Sold Sep 2024£450,000 | 4 Bed House128, Lucy Avenue, Folkestone, CT19 5TN128, Lucy Avenue, Folkestone, CT19 5TN
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 £432,590, ranging from £396,994 to £458,336.
- 23 William Avenue
4 Bed House | 9 m | Est. Value: £400,295
- 15 William Avenue
4 Bed House | 29 m | Est. Value: £433,004
- 17 William Avenue
3 Bed House | 31 m | Est. Value: £396,994
- 11 William Avenue
4 Bed House | 31 m | Est. Value: £421,441
- 7 William Avenue
4 Bed House | 37 m | Est. Value: £450,506
Location Comparison
Our analysis of the public data ranks 21, William Avenue, Folkestone as the 8th largest and the 11th most expensive of the 34 addresses on William Avenue, Folkestone, CT19.
Against the CT19 postcode district average, it is £159k more expensive than the typical property.
More reading links
Schools Nearby
- Folkestone Primary400 m away
- Stella Maris Catholic Primary School600 m away
- Morehall Primary School and Nursery900 m away
- Folkestone Academy400 m away
- The Harvey Grammar School600 m away
- Turner Free School1.0 km away
More reading links
Public Transport Nearby
- Folkestone Central|900 m away
- Folkestone West|900 m away
- Sandling|6.8 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
