Our Data Sources
6, Castle Avenue, Slough has 2 entries in the Land Registry, most recently in September 2018 and a single entry in the EPC database dated September 2011.
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 6, Castle Avenue, Slough would be worth £586,108, with a potential rental value of £2,082 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £519,125, with a rental value of £1,844 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
6, Castle Avenue, Slough occupies a 660 m2 plot as recorded by HM Land Registry.
Of the 22 other houses in this postcode, 21 have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
6, Castle Avenue, Slough has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Sep 2011.
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
6, Castle Avenue, Slough last changed hands on 7th September 2018, selling for £495,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 3.1% since September 2018.
- Sold Sep 2018£495,000
- Sold Dec 2011£440,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 118 sales of comparable properties within 1.4 kilometres of 6, Castle Avenue, Slough since 2013.
Most recently, 39, Slough Road, Slough, SL3 9AL, a freehold house, sold at £500,000 on the 17th April 2026.
Read more about house prices in SL3.
- Sold Apr 2026£500,000 | 3 Bed House39, Slough Road, Slough, SL3 9AL39, Slough Road, Slough, SL3 9AL
- Sold Aug 2025£485,000 | 3 Bed House9, The Myrke, Slough, SL3 9AB9, The Myrke, Slough, SL3 9AB
- Sold Jul 2025£561,500 | 3 Bed House36, Lawn Close, Slough, SL3 9JZ36, Lawn Close, Slough, SL3 9JZ
- Sold Mar 2025£523,000 | 3 Bed House3, Queensmead, Slough, SL3 9BW3, Queensmead, Slough, SL3 9BW
- Sold Feb 2025£600,099 | 3 Bed House20, Gables Close, Slough, SL3 9BB20, Gables Close, Slough, SL3 9BB
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 £684,699, ranging from £595,453 to £802,740.
- 8 Castle Avenue
3 Bed House | 11 m | Est. Value: £595,453
- 4 Castle Avenue
3 Bed House | 12 m | Est. Value: £616,247
- 10 Castle Avenue
4 Bed House | 24 m | Est. Value: £655,081
- 12 Castle Avenue
3 Bed House | 36 m | Est. Value: £610,033
- 5 Castle Avenue
4 Bed House | 41 m | Est. Value: £619,134
Location Comparison
Our analysis of the public data ranks 6, Castle Avenue, Slough as the 22nd largest and the 22nd most expensive of the 22 addresses on Castle Avenue, Datchet, Slough, SL3.
Against the SL3 postcode district average, it is £85k more expensive than the typical property.
More reading links
Schools Nearby
- Datchet St Mary's CofE Primary School1.1 km away
- St Mary's Church of England Primary School1.5 km away
- Castleview Primary School1.6 km away
- Churchmead Church of England (VA) School800 m away
- Ditton Park Academy1.1 km away
- Upton Court Grammar School1.5 km away
More reading links
Public Transport Nearby
- Datchet|1.1 km away
- Windsor & Eton Riverside|1.6 km away
- Windsor & Eton Central|2.0 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Medium risk of flooding.












