Our Data Sources
17, Observatory Close, Wallingford has 3 entries in the Land Registry, most recently in March 2016 and a single entry in the EPC database dated December 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 17, Observatory Close, Wallingford would be worth £576,930, with a potential rental value of £2,140 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £510,995, with a rental value of £1,895 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
17, Observatory Close, Wallingford occupies a 339 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 6th largest.
Energy Efficiency
17, Observatory Close, Wallingford has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 05 Dec 2022.
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
17, Observatory Close, Wallingford last changed hands on 4th March 2016, selling for £380,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 25.3% since March 2016.
- Sold Mar 2016£380,000
- Sold May 2013£368,000
- Sold May 2007£290,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 64 sales of comparable properties within 1.4 kilometres of 17, Observatory Close, Wallingford since 2013.
Most recently, 4, Sands Way, Wallingford, OX10 6NG, a freehold house, sold at £565,000 on the 10th April 2026.
Read more about house prices in OX10.
- Sold Apr 2026£565,000 | 4 Bed House4, Sands Way, Wallingford, OX10 6NG4, Sands Way, Wallingford, OX10 6NG
- Sold Oct 2025£555,000 | 4 Bed House20, The Moorlands, Wallingford, OX10 6RT20, The Moorlands, Wallingford, OX10 6RT
- Sold Mar 2025£620,000 | 4 Bed House47, Old London Road, Wallingford, OX10 6RR47, Old London Road, Wallingford, OX10 6RR
- Sold May 2024£740,000 | 4 Bed House23, Brook Street, Wallingford, OX10 6LQ23, Brook Street, Wallingford, OX10 6LQ
- Sold Feb 2024£505,000 | 4 Bed House1, Paddock Close, Wallingford, OX10 6RS1, Paddock Close, Wallingford, OX10 6RS
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 £393,591, ranging from £351,762 to £464,075.
- 20 Observatory Close
3 Bed House | 21 m | Est. Value: £366,568
- 21 Observatory Close
3 Bed House | 26 m | Est. Value: £371,479
- 16 Observatory Close
3 Bed House | 28 m | Est. Value: £419,677
- 15 Observatory Close
4 Bed House | 33 m | Est. Value: £454,569
- 22 Observatory Close
3 Bed House | 42 m | Est. Value: £351,762
Location Comparison
Our analysis of the public data ranks 17, Observatory Close, Wallingford as the 3rd largest and the 3rd most expensive of the 32 addresses on Observatory Close, Benson, Wallingford, OX10.
Against the OX10 postcode district average, it is £29k more 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.












