Our Data Sources
20, Castle Grove, Newbury has 31 entries in the Land Registry , most recently in August 2025 and a single entry in the EPC database dated September 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 20, Castle Grove, Newbury would be worth £1,046,445, with a potential rental value of £2,544 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £926,851, with a rental value of £2,253 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Castle Grove, Newbury occupies a 1,153 m2 plot as recorded by HM Land Registry.
All 21 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
20, Castle Grove, Newbury has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Sep 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
20, Castle Grove, Newbury last changed hands on 28th August 2025, selling for £1,060,000. 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 dropped by 14.0% since August 2025.
- Sold Aug 2025£1,060,000
- Sold Sep 2022£975,000
- Sold Aug 2001£305,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 14 sales of comparable properties within 710 metres of 20, Castle Grove, Newbury across the last 2 years.
Most recently, 4, Benett Gardens, Newbury, RG14 1PW, a freehold house, sold at £942,000 on the 5th March 2026.
Read more about house prices in RG14.
- Sold Mar 2026£942,000 | 5 Bed House4, Benett Gardens, Newbury, RG14 1PW4, Benett Gardens, Newbury, RG14 1PW
- Sold Apr 2025£825,000 | 5 Bed House34, Donnington Square, Newbury, RG14 1PP34, Donnington Square, Newbury, RG14 1PP
- Sold Jan 2024£850,000 | 5 Bed House4, Castle Grove, Newbury, RG14 1PR4, Castle Grove, Newbury, RG14 1PR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 20, Castle Grove, Newbury as the 4th largest and the most expensive of the 33 addresses on Castle Grove, Newbury, RG14.
Against the RG14 postcode district average, it is £614k more expensive than the typical property.
More reading links
Schools Nearby
- Speenhamland School400 m away
- Shaw-cum-Donnington C.E. Primary School500 m away
- The Winchcombe School500 m away
- Trinity School700 m away
- St Bartholomew's School2.1 km away
- Park House School3.6 km away
More reading links
Public Transport Nearby
- Newbury|1.5 km away
- Newbury Racecourse|2.0 km away
- Thatcham|6.2 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












