Our Data Sources
21, Castlegate, Richmond has 31 entries in the Land Registry , most recently in January 2010 and a single entry in the EPC database dated January 2025.
We combine this information with that 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.
Price Range & Condition
In very good condition, we estimate 21, Castlegate, Richmond would be worth £1,312,320, with a potential rental value of £5,702 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,162,341, with a rental value of £5,050 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Castlegate, Richmond occupies a 162 m2 plot as recorded by HM Land Registry.
All 16 other houses in this postcode have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
21, Castlegate, Richmond has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Jan 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Castlegate, Richmond last changed hands on 5th January 2010, selling for £565,000. 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 43.7% since January 2010.
- Sold Jan 2010£565,000
- Sold Aug 2006£475,000
- Sold Sep 1998£248,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 49 sales of comparable properties within 410 metres of 21, Castlegate, Richmond across the last 2 years.
Most recently, 27, Castlegate, Richmond, TW9 2HL, a freehold house, sold at £1,350,000 on the 12th September 2025.
Read more about house prices in TW9.
- Sold Sep 2025£1,350,000 | 4 Bed House27, Castlegate, Richmond, TW9 2HL27, Castlegate, Richmond, TW9 2HL
- Sold Jun 2021£1,250,000 | 4 Bed House1, Castlegate, Richmond, TW9 2HL1, Castlegate, Richmond, TW9 2HL
- Sold Jun 2015£1,125,000 | 4 Bed House3, Castlegate, Richmond, TW9 2HL3, Castlegate, Richmond, TW9 2HL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Castlegate, Richmond as the 3rd largest and the 10th most expensive of the 41 addresses on Castlegate, Richmond, TW9.
Against the TW9 postcode district average, it is £551k more expensive than the typical property.
More reading links
Schools Nearby
- Darell Primary and Nursery School500 m away
- Holy Trinity Church of England Primary School700 m away
- Marshgate Primary School700 m away
- Christ's Church of England Comprehensive Secondary School1.0 km away
- Brentford School for Girls2.2 km away
- Lift Richmond Park2.3 km away
More reading links
Public Transport Nearby
- North Sheen|400 m away
- Richmond (London)|800 m away
- Richmond|800 m away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
