According to data from HM Land Registry, 9, Castle Square, Wallingford sits on a plot of 501 m².

We have plot size data on 12 out of 19 other houses in the postcode and 9, Castle Square, Wallingford sits on the 3rd largest plot.

9, Castle Square, Wallingford has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 19 Nov 2025.

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

According to the Land Registry and our network of Estate Agents, there have been 116 sales of properties similar to 9, Castle Square, Wallingford within a radius of 1.7 kilometres since 2011.

The most recent example is 9, Crown Lane, Wallingford, OX10 6LP, a freehold house which sold for £702,500 on the 24th April 2026.

Read more about house prices in OX10.

• Sold Apr 2026£702,500 | 4 Bed House9, Crown Lane, Wallingford, OX10 6LP9, Crown Lane, Wallingford, OX10 6LP
• Sold Apr 2026£600,000 | 4 Bed House65, St. Helens Avenue, Wallingford, OX10 6RU65, St. Helens Avenue, Wallingford, OX10 6RU
• Sold Jul 2025£630,000 | 4 Bed House3, Broad Lays, Wallingford, OX10 6FQ3, Broad Lays, Wallingford, OX10 6FQ
• Sold Mar 2025£645,000 | 4 Bed House10, Gerard Avenue, Wallingford, OX10 6GD10, Gerard Avenue, Wallingford, OX10 6GD
• Sold Mar 2025£725,000 | 4 Bed House5, St. Helens Way, Wallingford, OX10 6SP5, St. Helens Way, Wallingford, OX10 6SP
• Sold Nov 2024£650,000 | 4 Bed House8, Gerard Avenue, Wallingford, OX10 6GD8, Gerard Avenue, Wallingford, OX10 6GD
• Sold Jun 2024£643,500 | 4 Bed House6, Gerard Avenue, Wallingford, OX10 6GD6, Gerard Avenue, Wallingford, OX10 6GD
• Sold May 2024£740,000 | 4 Bed House23, Brook Street, Wallingford, OX10 6LQ23, Brook Street, Wallingford, OX10 6LQ
• Sold Oct 2023£825,000 | 4 Bed House6, Gravel Close, Wallingford, OX10 6SR6, Gravel Close, Wallingford, OX10 6SR
• Sold Jul 2023£628,000 | 4 Bed House28, Horseshoes Lane, Wallingford, OX10 6LB28, Horseshoes Lane, Wallingford, OX10 6LB
• Sold May 2023£580,000 | 4 Bed House55, St. Helens Avenue, Wallingford, OX10 6RU55, St. Helens Avenue, Wallingford, OX10 6RU
• Sold Nov 2022£660,000 | 4 Bed House16, Castle Close, Wallingford, OX10 6SN16, Castle Close, Wallingford, OX10 6SN
• Sold Dec 2021£585,000 | 4 Bed House57, St. Helens Avenue, Wallingford, OX10 6RU57, St. Helens Avenue, Wallingford, OX10 6RU
• Sold Jun 2021£855,000 | 4 Bed House73, Brook Street, Wallingford, OX10 6LH73, Brook Street, Wallingford, OX10 6LH
• Sold Dec 2020£645,000 | 4 Bed House67, St. Helens Avenue, Wallingford, OX10 6RU67, St. Helens Avenue, Wallingford, OX10 6RU
• Sold Dec 2020£590,000 | 4 Bed House15, Brook Street, Wallingford, OX10 6LQ15, Brook Street, Wallingford, OX10 6LQ
• Sold May 2018£575,000 | 4 Bed House10, Gravel Close, Wallingford, OX10 6SR10, Gravel Close, Wallingford, OX10 6SR
• Sold Jul 2017£575,000 | 4 Bed House12, Gravel Close, Wallingford, OX10 6SR12, Gravel Close, Wallingford, OX10 6SR
• Sold Mar 2016£385,000 | 4 Bed House2, Castle Close, Wallingford, OX10 6SN2, Castle Close, Wallingford, OX10 6SN
• Sold Oct 2011£420,000 | 4 Bed House7, Gravel Close, Wallingford, OX10 6SR7, Gravel Close, Wallingford, OX10 6SR

Castle Square, Benson, Wallingford, OX10 has a total of 21 addresses. According to our analysis of all the public data, 9, Castle Square, Wallingford is the 10th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £173k more expensive than the average property in OX10.

• Benson Church of England Primary School

  200 m away
• RAF Benson Community Primary School

  2.2 km away
• St Nicholas' Church of England Infants' School and Nursery Class, Wallingford

  2.3 km away

• Wallingford School

  2.1 km away
• Icknield Community College

  7.7 km away
• St Birinus School

  9.4 km away

• Cholsey

  |

  6.6 km away
• Didcot Parkway

  |

  9.3 km away
• Appleford

  |

  9.4 km away

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