Our Data Sources
18, The Island, Thames Ditton has 41 entries in the Land Registry, most recently in January 2018 and a single entry in the EPC database dated March 2026.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 18, The Island, Thames Ditton would be worth £1,260,347, with a potential rental value of £3,921 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,116,308, with a rental value of £3,473 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, The Island, Thames Ditton occupies a 417 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 6th largest.
Energy Efficiency
18, The Island, Thames Ditton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Mar 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas).
Sold Prices
18, The Island, Thames Ditton last changed hands on 18th January 2018, selling for £1,050,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has risen by 8.7% since January 2018.
- Sold Jan 2018£1,050,000
- Sold Apr 2011£850,000
- Sold Jul 2008£735,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 107 sales of comparable properties within 830 metres of 18, The Island, Thames Ditton since 2014.
Most recently, 9, Aragon Avenue, Thames Ditton, KT7 0PY, a freehold house, sold at £1,125,000 on the 18th February 2026.
Read more about house prices in KT7.
- Sold Feb 2026£1,125,000 | 4 Bed House9, Aragon Avenue, Thames Ditton, KT7 0PY9, Aragon Avenue, Thames Ditton, KT7 0PY
- Sold Jan 2026£1,120,000 | 4 Bed House23, Aragon Avenue, Thames Ditton, KT7 0PY23, Aragon Avenue, Thames Ditton, KT7 0PY
- Sold Sep 2025£1,025,000 | 4 Bed House50, Summer Road, Thames Ditton, KT7 0QQ50, Summer Road, Thames Ditton, KT7 0QQ
- Sold Aug 2025£1,150,000 | 4 Bed House29, Aragon Avenue, Thames Ditton, KT7 0PY29, Aragon Avenue, Thames Ditton, KT7 0PY
- Sold Mar 2025£1,250,000 | 4 Bed House50, Church Walk, Thames Ditton, KT7 0NW50, Church Walk, Thames Ditton, KT7 0NW
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 £1,071,139, ranging from £723,358 to £1,710,889.
- 19 The Island
4 Bed House | 13 m | Est. Value: £1,078,405
- 16 The Island
3 Bed House | 20 m | Est. Value: £1,014,547
- 15 The Island
4 Bed House | 33 m | Est. Value: £1,158,051
- 21 The Island
3 Bed House | 35 m | Est. Value: £913,673
- 36 The Island
3 Bed House | 39 m | Est. Value: £825,943
Location Comparison
Our analysis of the public data ranks 18, The Island, Thames Ditton as the 16th largest and the 13th most expensive of the 49 addresses on The Island, Thames Ditton, KT7.
Against the KT7 postcode district average, it is £323k 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.












