Our Data Sources
27, Observatory Close, Wallingford has no recent1 records in the Land Registry and a single entry in the EPC database dated February 2020.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 27, Observatory Close, Wallingford would be worth £387,481, with a potential rental value of £1,638 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £343,198, with a rental value of £1,451 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
27, Observatory Close, Wallingford occupies a 169 m2 plot as recorded by HM Land Registry.
Of the 32 other houses in this postcode, 25 have recorded plot sizes, and this one ranks as the 18th largest.
Energy Efficiency
27, Observatory Close, Wallingford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Feb 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
27, Observatory Close, Wallingford last changed hands on 11th May 2005, selling for £242,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
- Sold May 2005£242,500
- Sold Dec 1999£120,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 104 sales of comparable properties within 1.4 kilometres of 27, Observatory Close, Wallingford since 2017.
Most recently, 18, Offas Close, Wallingford, OX10 6NR, a freehold house, sold at £415,000 on the 10th April 2026.
Read more about house prices in OX10.
- Sold Apr 2026£415,000 | 3 Bed House18, Offas Close, Wallingford, OX10 6NR18, Offas Close, Wallingford, OX10 6NR
- Sold Aug 2025£410,000 | 3 Bed House1, Offas Close, Wallingford, OX10 6NR1, Offas Close, Wallingford, OX10 6NR
- Sold Aug 2025£390,000 | 3 Bed House20, Blacklands Road, Wallingford, OX10 6NW20, Blacklands Road, Wallingford, OX10 6NW
- Sold Jul 2025£390,000 | 3 Bed House13, Blacklands Road, Wallingford, OX10 6NW13, Blacklands Road, Wallingford, OX10 6NW
- Sold Jul 2025£353,000 | 3 Bed House23, Observatory Close, Wallingford, OX10 6NU23, Observatory Close, Wallingford, OX10 6NU
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 £422,830, ranging from £351,762 to £549,457.
- 28 Observatory Close
3 Bed House | 5 m | Est. Value: £366,568
- 25 Observatory Close
3 Bed House | 12 m | Est. Value: £359,989
- 30 Observatory Close
3 Bed House | 15 m | Est. Value: £366,568
- 24 Observatory Close
3 Bed House | 17 m | Est. Value: £415,727
- 23 Observatory Close
3 Bed House | 22 m | Est. Value: £371,479
Location Comparison
Our analysis of the public data ranks 27, Observatory Close, Wallingford as the 17th largest and the 19th most expensive of the 32 addresses on Observatory Close, Benson, Wallingford, OX10.
Against the OX10 postcode district average, it is £151k less expensive than the typical property.
More reading links
Schools Nearby
- Benson Church of England Primary School600 m away
- RAF Benson Community Primary School1.8 km away
- Ewelme CofE Primary School2.3 km away
- Wallingford School2.4 km away
- Icknield Community College7.3 km away
- St Birinus School9.8 km away
More reading links
Public Transport Nearby
- Cholsey|6.8 km away
- Didcot Parkway|9.7 km away
- Appleford|9.8 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












