Our Data Sources
20, Gloucester Avenue, Slough has no recent1 records in the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 20, Gloucester Avenue, Slough is in very good condition we estimate a sale value of £233,084 and a rental value of £1,351 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £206,446 and a rental value of £1,196 per month.
Energy Efficiency
20, Gloucester Avenue, Slough has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Nov 2025.
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
According to HM Land Registry, 20, Gloucester Avenue, Slough was last sold on 30th July 2002 for £170,000 and was recorded as a leasehold flat.
The property has only had this single sale since 1995.
- Sold Jul 2002£170,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 36 sales of properties similar to 20, Gloucester Avenue, Slough within a radius of 510 metres since 2012.
The most recent example is 14, Montrose Avenue, Slough, SL1 4TN, a leasehold flat which sold for £230,000 on the 30th April 2026.
Read more about house prices in SL1.
- Sold Apr 2026£230,000 | 2 Bed Flat14, Montrose Avenue, Slough, SL1 4TN14, Montrose Avenue, Slough, SL1 4TN
- Sold Apr 2025£40,000 | 2 Bed Flat342, Farnham Road, Slough, SL2 1BT342, Farnham Road, Slough, SL2 1BT
- Sold Jul 2024£243,000 | 2 Bed Flat28, Rutland Avenue, Slough, SL1 3AL28, Rutland Avenue, Slough, SL1 3AL
- Sold Jun 2024£230,000 | 2 Bed FlatFlat 19, Fieldview Court, Farnburn Avenue, Slough, SL1 4XZFlat 19, Fieldview Court, Farnburn Avenue, Slough, SL1 4XZ
- Sold Oct 2023£236,500 | 2 Bed Flat138, Farnham Road, Slough, SL1 4XA138, Farnham Road, Slough, SL1 4XA
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 £495,612, ranging from £212,947 to £660,251.
- 20A Gloucester Avenue
2 Bed Flat | 0 m | Est. Value: £212,947
- 17 Gloucester Avenue
4 Bed House | 42 m | Est. Value: £551,014
- 23 Gloucester Avenue
4 Bed House | 43 m | Est. Value: £527,170
- 25 Gloucester Avenue
4 Bed House | 44 m | Est. Value: £529,616
- 13 Warrington Avenue
5 Bed House | 45 m | Est. Value: £660,251
Location Comparison
Gloucester Avenue, Slough, SL1 has a total of 85 addresses. According to our analysis of all the public data, 20, Gloucester Avenue, Slough is the 74th largest and the 80th most expensive property on the street.
When compared to the postcode district it is £149k less expensive than the average property in SL1.
More reading links
Schools Nearby
- Phoenix Infant Academy100 m away
- The Godolphin Junior Academy300 m away
- Penn Wood Primary and Nursery School800 m away
- Baylis Court School300 m away
- Herschel Grammar School500 m away
- Eden Girls' School, Slough1.3 km away
More reading links
Public Transport Nearby
- Slough|2.0 km away
- Burnham|2.4 km away
- Burnham (Buckinghamshire)|2.4 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












