HM Land Registry records the plot of land for 4, Observatory Close, Wallingford as measuring 376 m².

That makes it the 5th largest plot in the postcode, where 25 of the 32 other houses have recorded plot data.

4, Observatory Close, Wallingford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Jan 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 4, Observatory Close, Wallingford completed on 9th September 2022 at £427,500 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 7.1% over the period since September 2022.

• Sold Sep 2022£427,500
• Sold May 2014£315,000
• Sold May 2003£207,500

Since 2010 176 properties similar to 4, Observatory Close, Wallingford have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th December 2025, was 17, One End Lane, Wallingford, OX10 6PA, a freehold house which sold for £480,000.

Read more about house prices in OX10.

• Sold Dec 2025£480,000 | 3 Bed House17, One End Lane, Wallingford, OX10 6PA17, One End Lane, Wallingford, OX10 6PA
• Sold Oct 2025£405,000 | 3 Bed House3, Brook Street, Wallingford, OX10 6LQ3, Brook Street, Wallingford, OX10 6LQ
• Sold Aug 2025£470,000 | 3 Bed House2, Sands Way, Wallingford, OX10 6NG2, Sands Way, Wallingford, OX10 6NG
• Sold Mar 2025£408,000 | 3 Bed House24, Observatory Close, Wallingford, OX10 6NU24, Observatory Close, Wallingford, OX10 6NU
• Sold Mar 2025£465,000 | 3 Bed House14, Sunnyside, Wallingford, OX10 6LZ14, Sunnyside, Wallingford, OX10 6LZ
• Sold Jan 2025£395,000 | 3 Bed House2, Offas Close, Wallingford, OX10 6NR2, Offas Close, Wallingford, OX10 6NR
• Sold Jan 2025£484,000 | 3 Bed House3, Sands Way, Wallingford, OX10 6NG3, Sands Way, Wallingford, OX10 6NG
• Sold Dec 2024£417,500 | 3 Bed House6, One End Lane, Wallingford, OX10 6PA6, One End Lane, Wallingford, OX10 6PA
• Sold Oct 2024£425,000 | 3 Bed House3, Offas Close, Wallingford, OX10 6NR3, Offas Close, Wallingford, OX10 6NR
• Sold May 2024£455,000 | 3 Bed House30, Westfield Road, Wallingford, OX10 6NJ30, Westfield Road, Wallingford, OX10 6NJ
• Sold May 2024£475,000 | 3 Bed House59, Old London Road, Wallingford, OX10 6RR59, Old London Road, Wallingford, OX10 6RR
• Sold Jun 2021£335,000 | 3 Bed House12, Observatory Close, Wallingford, OX10 6NU12, Observatory Close, Wallingford, OX10 6NU
• Sold Mar 2020£245,000 | 3 Bed House11, Offas Close, Wallingford, OX10 6NR11, Offas Close, Wallingford, OX10 6NR
• Sold Nov 2019£370,000 | 3 Bed House8, One End Lane, Wallingford, OX10 6PA8, One End Lane, Wallingford, OX10 6PA
• Sold Mar 2019£385,000 | 3 Bed House11, Observatory Close, Wallingford, OX10 6NU11, Observatory Close, Wallingford, OX10 6NU
• Sold Aug 2018£399,950 | 3 Bed House7, Paddock Close, Wallingford, OX10 6RS7, Paddock Close, Wallingford, OX10 6RS
• Sold Jun 2018£405,000 | 3 Bed House12, Brook Street, Wallingford, OX10 6LQ12, Brook Street, Wallingford, OX10 6LQ
• Sold Sep 2017£285,000 | 3 Bed House1, The Moorlands, Wallingford, OX10 6RT1, The Moorlands, Wallingford, OX10 6RT
• Sold Jun 2016£325,000 | 3 Bed House4, The Moorlands, Wallingford, OX10 6RT4, The Moorlands, Wallingford, OX10 6RT
• Sold Dec 2010£238,000 | 3 Bed House8, Observatory Close, Wallingford, OX10 6NU8, Observatory Close, Wallingford, OX10 6NU

Of the 32 addresses on Observatory Close, Benson, Wallingford, OX10, 4, Observatory Close, Wallingford comes out as the 10th largest and the 8th most expensive in our analysis of the public data.

It is also £89k less expensive than the average property across the OX10 district.

• Benson Church of England Primary School

  600 m away
• RAF Benson Community Primary School

  1.8 km away
• Ewelme CofE Primary School

  2.3 km away

• Wallingford School

  2.4 km away
• Icknield Community College

  7.3 km away
• St Birinus School

  9.8 km away

• Cholsey

  |

  6.8 km away
• Didcot Parkway

  |

  9.7 km away
• Appleford

  |

  9.8 km away

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