Our Data Sources
40, Trelawney Avenue, Slough has a single entry in the Land Registry from October 2022 and a single entry in the EPC database dated February 2022.
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 40, Trelawney Avenue, Slough would be worth £438,104, with a potential rental value of £1,859 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £388,035, with a rental value of £1,646 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Trelawney Avenue, Slough occupies a 136 m2 plot as recorded by HM Land Registry.
All 28 other houses in this postcode have recorded plot sizes, and this one ranks as the 26th largest.
Energy Efficiency
40, Trelawney Avenue, Slough has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Feb 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
40, Trelawney Avenue, Slough last changed hands on 26th October 2022, selling for £415,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 4.2% since October 2022.
- Sold Oct 2022£415,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 203 sales of comparable properties within 470 metres of 40, Trelawney Avenue, Slough across the last 2 years.
Most recently, 21, Randall Close, Slough, SL3 8RJ, a freehold house, sold at £431,500 on the 11th December 2025.
Read more about house prices in SL3.
- Sold Dec 2025£431,500 | 2 Bed House21, Randall Close, Slough, SL3 8RJ21, Randall Close, Slough, SL3 8RJ
- Sold Oct 2025£385,000 | 2 Bed House68, Trelawney Avenue, Slough, SL3 8RW68, Trelawney Avenue, Slough, SL3 8RW
- Sold Aug 2019£348,000 | 2 Bed House42, Trelawney Avenue, Slough, SL3 8RN42, Trelawney Avenue, Slough, SL3 8RN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 40, Trelawney Avenue, Slough as the 258th largest and the 179th most expensive of the 403 addresses on Trelawney Avenue, Slough, SL3.
Against the SL3 postcode district average, it is £57k less expensive than the typical property.
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Schools Nearby
- Holy Family Catholic Primary School200 m away
- Foxborough Primary School500 m away
- Marish Primary School500 m away
- Langley Grammar School400 m away
- The Langley Academy900 m away
- Ditton Park Academy1.8 km away
More reading links
Public Transport Nearby
- Langley|1.2 km away
- Langley (Berks)|1.2 km away
- Datchet|2.8 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.
