Our Data Sources
21, Portman Road, Kingston Upon Thames has 31 entries in the Land Registry , most recently in December 2007 and a single entry in the EPC database dated July 2020.
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, Portman Road, Kingston Upon Thames, we estimate a market value of £630,696 and a rental value of £2,836 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £558,616 and £2,512 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Portman Road, Kingston Upon Thames as measuring 124 m2.
That makes it the 8th largest plot in the postcode, where all 44 other houses have recorded plot data.
Energy Efficiency
21, Portman Road, Kingston Upon Thames has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Jul 2020.
The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 21, Portman Road, Kingston Upon Thames completed on 7th December 2007 at £320,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 93.1% over the period since December 2007.
- Sold Dec 2007£320,000
- Sold Oct 2002£216,500
- Sold Jun 1998£95,000
Similar Properties Sold Nearby
Over the past 2 years 111 properties similar to 21, Portman Road, Kingston Upon Thames have sold within a radius of 350 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th April 2026, was 11, Portman Road, Kingston Upon Thames, KT1 3DY, a freehold house which sold for £595,000.
Read more about house prices in KT1.
- Sold Apr 2026£595,000 | 3 Bed House11, Portman Road, Kingston Upon Thames, KT1 3DY11, Portman Road, Kingston Upon Thames, KT1 3DY
- Sold Feb 2026£535,000 | 3 Bed House36, Portman Road, Kingston Upon Thames, KT1 3DY36, Portman Road, Kingston Upon Thames, KT1 3DY
- Sold Jul 2025£650,000 | 3 Bed House4, Linden Crescent, Kingston Upon Thames, KT1 3DZ4, Linden Crescent, Kingston Upon Thames, KT1 3DZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 44 addresses on Portman Road, Kingston Upon Thames, KT1, 21, Portman Road, Kingston Upon Thames comes out as the 32nd largest and the 37th most expensive in our analysis of the public data.
It is also £29k more expensive than the average property across the KT1 district.
More reading links
Schools Nearby
- St Joseph's Catholic Primary School300 m away
- King Athelstan Primary School400 m away
- St John's C of E Primary School800 m away
- Tiffin School500 m away
- The Hollyfield School and Sixth Form Centre1.4 km away
- The Kingston Academy1.9 km away
More reading links
Public Transport Nearby
- Norbiton|700 m away
- Kingston|900 m away
- Berrylands|1.3 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












