HM Land Registry records the plot of land for 23, Onslow Road, Walton-On-Thames as measuring 3,362 m².

That makes it the largest plot in the postcode, where 26 of the 27 other houses have recorded plot data.

23, Onslow Road, Walton-On-Thames has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Oct 2015.

The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.

The most recent sale of 23, Onslow Road, Walton-On-Thames completed on 26th September 2025 at £1,900,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 12.8% over the period since September 2025.

• Sold Sep 2025£1,900,000

Over the past 2 years 1031 properties have sold within 760 metres of 23, Onslow Road, Walton-On-Thames, per the Land Registry and our network of Estate Agents.

The latest, on the 5th December 2025, was 25, Onslow Road, Walton-On-Thames, KT12 5BB, a freehold house which sold for £1,820,000.

Read more about house prices in KT12.

• Sold Dec 2025£1,820,000 | 5 Bed House25, Onslow Road, Walton-On-Thames, KT12 5BB25, Onslow Road, Walton-On-Thames, KT12 5BB
• Sold Dec 2021£2,800,000 | 6 Bed House16, Onslow Road, Walton-On-Thames, KT12 5BB16, Onslow Road, Walton-On-Thames, KT12 5BB
• Sold Aug 2011£1,350,000 | 6 Bed House21, Onslow Road, Walton-On-Thames, KT12 5BB21, Onslow Road, Walton-On-Thames, KT12 5BB

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

• Cleves School

  600 m away
• Oatlands School

  1.3 km away
• Bell Farm Primary School

  1.4 km away

• Three Rivers Academy

  1.2 km away
• Heathside Walton-on-Thames

  3.1 km away
• Thamesmead School

  3.1 km away

• Walton-on-Thames

  |

  500 m away
• Hersham

  |

  2.2 km away
• Weybridge

  |

  2.8 km away

The flood risk here is rated Very Low, based on Environment Agency data.