Our Data Sources
Grimsbury Castle, Thatcham has no records in the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Grimsbury Castle, Thatcham, we estimate a market value of £664,437 and a rental value of £2,041 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £588,501 and £1,808 per month respectively.
Plot Size
HM Land Registry records the plot of land for Grimsbury Castle, Thatcham as measuring 1,336,102 m2.
Energy Efficiency
Grimsbury Castle, Thatcham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Nov 2025.
The property is not connected to mains gas and has single glazed windows. It is heated using air source heat pump (underfloor, electric).
Similar Properties Sold Nearby
Since 2007 10 properties similar to Grimsbury Castle, Thatcham have sold within a radius of 2.9 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th April 2025, was Cedar Haven, St. Gabriels Farm, The Ridge, Thatcham, RG18 9HT, a freehold house which sold for £450,000.
Read more about house prices in RG18.
- Sold Apr 2025£450,000 | 3 Bed HouseCedar Haven, St. Gabriels Farm, The Ridge, Thatcham, RG18 9HTCedar Haven, St. Gabriels Farm, The Ridge, Thatcham, RG18 9HT
- Sold Mar 2025£545,000 | 3 Bed HouseHeastley, Pond Lane, Thatcham, RG18 9RNHeastley, Pond Lane, Thatcham, RG18 9RN
- Sold May 2024£663,750 | 3 Bed HouseConifers, Curridge Green, Thatcham, RG18 9EAConifers, Curridge Green, Thatcham, RG18 9EA
- Sold Jun 2021£505,000 | 3 Bed HouseOld Forest, Hampstead Norreys Road, Thatcham, RG18 9SAOld Forest, Hampstead Norreys Road, Thatcham, RG18 9SA
- Sold Sep 2018£485,000 | 3 Bed HouseBirch Vale, Plantation Close, Thatcham, RG18 9DJBirch Vale, Plantation Close, Thatcham, RG18 9DJ
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 £1,236,192, ranging from £679,585 to £1,865,274.
- Grimsbury Bank
5 Bed House | 212 m | Est. Value: £1,865,274
- Oakwood
5 Bed House | 318 m | Est. Value: £1,183,653
- Heathwaite
4 Bed House | 346 m | Est. Value: £846,282
- Namder
5 Bed House | 397 m | Est. Value: £1,326,781
- Lothlorien
5 Bed House | 435 m | Est. Value: £1,560,432
Location Comparison
Of the 20 addresses on Hermitage, Thatcham, RG18, Grimsbury Castle, Thatcham comes out as the 14th largest and the 4th most expensive in our analysis of the public data.
It is also £168k more expensive than the average property across the RG18 district.
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Schools Nearby
- Hermitage Primary School1.6 km away
- Curridge Primary School2.0 km away
- Cold Ash St Mark's CE Primary School2.1 km away
- Trinity School5.0 km away
- Kennet School5.1 km away
- St Bartholomew's School7.4 km away
More reading links
Public Transport Nearby
- Newbury Racecourse|6.0 km away
- Thatcham|6.1 km away
- Newbury|6.6 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
