Our Data Sources
21, Castleview Road, Slough has no recent1 records in the Land Registry and a single entry in the EPC database dated November 2015.
We combine this information with public data 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 21, Castleview Road, Slough would be worth £806,133, with a potential rental value of £2,406 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £714,003, with a rental value of £2,131 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Castleview Road, Slough occupies a 401 m2 plot as recorded by HM Land Registry.
All 25 other houses in this postcode have recorded plot sizes, and this one ranks as the 16th largest.
Energy Efficiency
21, Castleview Road, Slough has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Nov 2015.
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
21, Castleview Road, Slough last changed hands on 17th May 1996, selling for £100,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold May 1996£100,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 187 sales of comparable properties within 750 metres of 21, Castleview Road, Slough since 2017.
Most recently, 7, Marlborough Road, Slough, SL3 7JW, a freehold house, sold at £740,000 on the 25th February 2026.
Read more about house prices in SL3.
- Sold Feb 2026£740,000 | 4 Bed House7, Marlborough Road, Slough, SL3 7JW7, Marlborough Road, Slough, SL3 7JW
- Sold Dec 2025£775,000 | 4 Bed House10, Dandridge Close, Slough, SL3 7JJ10, Dandridge Close, Slough, SL3 7JJ
- Sold Oct 2025£750,000 | 4 Bed House46, Marlborough Road, Slough, SL3 7LH46, Marlborough Road, Slough, SL3 7LH
- Sold Sep 2025£750,000 | 4 Bed House10, St. Bernards Road, Slough, SL3 7NT10, St. Bernards Road, Slough, SL3 7NT
- Sold Sep 2025£700,000 | 4 Bed House37, Kings Reach, Slough, SL3 7QE37, Kings Reach, Slough, SL3 7QE
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 £760,730, ranging from £644,733 to £1,008,472.
- 15 Castleview Road
3 Bed House | 23 m | Est. Value: £666,567
- 27 Castleview Road
5 Bed House | 28 m | Est. Value: £963,087
- 29 Castleview Road
3 Bed House | 37 m | Est. Value: £669,816
- 48 Castleview Road
5 Bed House | 38 m | Est. Value: £1,008,472
- 46 Castleview Road
3 Bed House | 40 m | Est. Value: £674,205
Location Comparison
Our analysis of the public data ranks 21, Castleview Road, Slough as the 12th largest and the 18th most expensive of the 67 addresses on Castleview Road, Slough, SL3.
Against the SL3 postcode district average, it is £294k more expensive than the typical property.
More reading links
Schools Nearby
- Castleview Primary School300 m away
- Ryvers School800 m away
- The Langley Academy Primary1.2 km away
- Ditton Park Academy200 m away
- St Bernard's Catholic Grammar School900 m away
- Upton Court Grammar School900 m away
More reading links
Public Transport Nearby
- Datchet|1.9 km away
- Slough|2.1 km away
- Langley|2.1 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.












