According to data from HM Land Registry, 21, Radnor Road, Twickenham sits on a plot of 420 m².

We have plot size data on 7 out of 7 other houses in the postcode and 21, Radnor Road, Twickenham sits on the 4th largest plot.

21, Radnor Road, Twickenham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Oct 2013.

The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 21, Radnor Road, Twickenham was last sold on 12th October 2017 for £1,505,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since October 2017, the market for similar properties has risen by 22.2%.

• Sold Oct 2017£1,505,000

According to the Land Registry and our network of Estate Agents, there have been 64 sales of properties similar to 21, Radnor Road, Twickenham within a radius of 510 metres since 2011.

The most recent example is 65, Popes Avenue, Twickenham, TW2 5TD, a freehold house which sold for £1,525,000 on the 15th January 2026.

Read more about house prices in TW1.

• Sold Jan 2026£1,525,000 | 5 Bed House65, Popes Avenue, Twickenham, TW2 5TD65, Popes Avenue, Twickenham, TW2 5TD
• Sold Dec 2025£1,740,000 | 5 Bed House47, Waldegrave Gardens, Twickenham, TW1 4PH47, Waldegrave Gardens, Twickenham, TW1 4PH
• Sold Oct 2025£1,400,000 | 4 Bed House44, Tower Road, Twickenham, TW1 4PE44, Tower Road, Twickenham, TW1 4PE
• Sold Jul 2025£1,390,000 | 4 Bed House32, Strawberry Vale, Twickenham, TW1 4RU32, Strawberry Vale, Twickenham, TW1 4RU
• Sold Jul 2025£1,820,000 | 4 Bed House41, Popes Grove, Twickenham, TW1 4JZ41, Popes Grove, Twickenham, TW1 4JZ
• Sold Mar 2025£1,500,000 | 4 Bed House29, Orford Gardens, Twickenham, TW1 4PL29, Orford Gardens, Twickenham, TW1 4PL
• Sold Dec 2024£1,475,000 | 5 Bed House17, Cross Deep Gardens, Twickenham, TW1 4QZ17, Cross Deep Gardens, Twickenham, TW1 4QZ
• Sold Oct 2024£1,340,000 | 5 Bed House6, Bonser Road, Twickenham, TW1 4RG6, Bonser Road, Twickenham, TW1 4RG
• Sold Nov 2022£1,670,000 | 5 Bed House40, Orford Gardens, Twickenham, TW1 4PL40, Orford Gardens, Twickenham, TW1 4PL
• Sold Sep 2022£1,775,000 | 4 Bed House34, Tower Road, Twickenham, TW1 4PE34, Tower Road, Twickenham, TW1 4PE
• Sold Dec 2021£1,390,000 | 5 Bed House14, Tennyson Avenue, Twickenham, TW1 4QY14, Tennyson Avenue, Twickenham, TW1 4QY
• Sold Sep 2021£1,275,000 | 5 Bed House2, Bonser Road, Twickenham, TW1 4RG2, Bonser Road, Twickenham, TW1 4RG
• Sold Aug 2021£1,390,000 | 5 Bed House33, Tennyson Avenue, Twickenham, TW1 4QX33, Tennyson Avenue, Twickenham, TW1 4QX
• Sold Jun 2021£1,350,000 | 4 Bed House37, Orford Gardens, Twickenham, TW1 4PL37, Orford Gardens, Twickenham, TW1 4PL
• Sold Sep 2020£1,520,000 | 4 Bed House17, Radnor Road, Twickenham, TW1 4NH17, Radnor Road, Twickenham, TW1 4NH
• Sold Aug 2020£1,452,000 | 5 Bed House36, Bonser Road, Twickenham, TW1 4RG36, Bonser Road, Twickenham, TW1 4RG
• Sold Nov 2018£1,225,000 | 4 Bed House5, Radnor Road, Twickenham, TW1 4NJ5, Radnor Road, Twickenham, TW1 4NJ
• Sold May 2018£1,145,000 | 4 Bed House25, Tennyson Avenue, Twickenham, TW1 4QX25, Tennyson Avenue, Twickenham, TW1 4QX
• Sold Mar 2018£1,360,000 | 5 Bed House28, Tower Road, Twickenham, TW1 4PE28, Tower Road, Twickenham, TW1 4PE
• Sold May 2011£850,000 | 5 Bed House3, Radnor Road, Twickenham, TW1 4NJ3, Radnor Road, Twickenham, TW1 4NJ

Radnor Road, Twickenham, TW1 has a total of 66 addresses. According to our analysis of all the public data, 21, Radnor Road, Twickenham is the 14th largest and the 9th most expensive property on the street.

When compared to the postcode district it is £683k more expensive than the average property in TW1.

• Archdeacon Cambridge's Church of England Primary School

  400 m away
• Twickenham Primary Academy

  500 m away
• St Richard Reynolds Catholic Primary School

  700 m away

• St Richard Reynolds Catholic High School

  800 m away
• Waldegrave School

  1.1 km away
• The Richmond upon Thames School

  1.2 km away

• Strawberry Hill

  |

  300 m away
• Twickenham

  |

  1.1 km away
• Fulwell

  |

  1.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.