Our Data Sources
21, The Island, Thames Ditton has a single entry in the Land Registry from August 2015 and a single entry in the EPC database dated October 2014.
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, The Island, Thames Ditton would be worth £959,357, with a potential rental value of £3,182 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £849,716, with a rental value of £2,818 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, The Island, Thames Ditton occupies a 400 m2 plot as recorded by HM Land Registry.
Of the 28 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
21, The Island, Thames Ditton has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 27 Oct 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using electric ceiling heating.
Sold Prices
21, The Island, Thames Ditton last changed hands on 28th August 2015, selling for £558,000. 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 12.8% since August 2015.
- Sold Aug 2015£558,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 50 sales of comparable properties within 850 metres of 21, The Island, Thames Ditton since 2013.
Most recently, 36, The Island, Thames Ditton, KT7 0SQ, a freehold house, sold at £920,000 on the 19th March 2026.
Read more about house prices in KT7.
- Sold Mar 2026£920,000 | 3 Bed House36, The Island, Thames Ditton, KT7 0SQ36, The Island, Thames Ditton, KT7 0SQ
- Sold Feb 2026£875,000 | 3 Bed House17, Church Walk, Thames Ditton, KT7 0NP17, Church Walk, Thames Ditton, KT7 0NP
- Sold Jul 2025£840,000 | 3 Bed House139, Summer Road, Thames Ditton, KT7 0QW139, Summer Road, Thames Ditton, KT7 0QW
- Sold Mar 2025£640,572 | 3 Bed House43, The Island, Thames Ditton, KT7 0SQ43, The Island, Thames Ditton, KT7 0SQ
- Sold Mar 2025£861,250 | 3 Bed House143, Summer Road, Thames Ditton, KT7 0QW143, Summer Road, Thames Ditton, KT7 0QW
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 £986,730, ranging from £723,358 to £1,201,577.
- 22 The Island
3 Bed House | 13 m | Est. Value: £965,333
- 19 The Island
4 Bed House | 23 m | Est. Value: £1,078,405
- 23 The Island
4 Bed House | 23 m | Est. Value: £1,134,858
- 18 The Island
4 Bed House | 35 m | Est. Value: £1,200,331
- 31 The Island
5 Bed House | 36 m | Est. Value: £1,201,577
Location Comparison
Our analysis of the public data ranks 21, The Island, Thames Ditton as the 44th largest and the 33rd most expensive of the 49 addresses on The Island, Thames Ditton, KT7.
Against the KT7 postcode district average, it is £37k more expensive than the typical property.
More reading links
Schools Nearby
- Thames Ditton Infant School500 m away
- Thames Ditton Junior School800 m away
- St Paul's Catholic Primary School, Thames Ditton1.1 km away
- Hinchley Wood School1.8 km away
- The Hollyfield School and Sixth Form Centre2.3 km away
- Southborough High School2.9 km away
More reading links
Public Transport Nearby
- Thames Ditton|800 m away
- Hampton Court|1.2 km away
- Surbiton|1.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a High risk of flooding.












