Our Data Sources
11, Sion Road, Twickenham has no records in the Land Registry and a single entry in the EPC database dated June 2014.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 11, Sion Road, Twickenham, we estimate a market value of £1,953,081 and a rental value of £5,667 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,729,872 and £5,020 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Sion Road, Twickenham as measuring 129 m2.
That makes it the 8th largest plot in the postcode, where all 13 other houses have recorded plot data.
Energy Efficiency
11, Sion Road, Twickenham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jun 2014.
The property is not connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2012 34 properties similar to 11, Sion Road, Twickenham have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th November 2025, was 85, Crown Road, Twickenham, TW1 3EX, a freehold house which sold for £1,700,000.
Read more about house prices in TW1.
- Sold Nov 2025£1,700,000 | 5 Bed House85, Crown Road, Twickenham, TW1 3EX85, Crown Road, Twickenham, TW1 3EX
- Sold Oct 2025£2,275,000 | 5 Bed House12, Sion Road, Twickenham, TW1 3DR12, Sion Road, Twickenham, TW1 3DR
- Sold Sep 2024£1,875,000 | 5 Bed HouseConiston, Riverside, Twickenham, TW1 3DJConiston, Riverside, Twickenham, TW1 3DJ
- Sold Jul 2024£1,312,500 | 4 Bed House47, Haggard Road, Twickenham, TW1 3AL47, Haggard Road, Twickenham, TW1 3AL
- Sold Dec 2023£1,525,000 | 5 Bed House14, Marble Hill Close, Twickenham, TW1 3AY14, Marble Hill Close, Twickenham, TW1 3AY
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 £1,184,978, ranging from £633,077 to £1,901,160.
- 12 Sion Road
5 Bed House | 6 m | Est. Value: £1,895,353
- 9 Sion Road
5 Bed House | 11 m | Est. Value: £1,866,008
- 1 Ferry Road
2 Bed House | 21 m | Est. Value: £683,402
- 13 Sion Road
4 Bed House | 21 m | Est. Value: £1,525,198
- 7 Sion Road
5 Bed House | 22 m | Est. Value: £1,901,160
Location Comparison
Of the 51 addresses on Sion Road, Twickenham, TW1, 11, Sion Road, Twickenham comes out as the 7th largest and the 7th most expensive in our analysis of the public data.
It is also £920k more expensive than the average property across the TW1 district.
More reading links
Schools Nearby
- St Mary's Church of England Primary School400 m away
- Orleans Primary School600 m away
- St Richard Reynolds Catholic Primary School900 m away
- Orleans Park School300 m away
- St Richard Reynolds Catholic High School800 m away
- Grey Court School1.2 km away
More reading links
Public Transport Nearby
- Twickenham|600 m away
- St Margarets (London)|900 m away
- Strawberry Hill|1.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Low, based on Environment Agency data.












