Our Data Sources
23, Thirlmere Avenue, Slough has 21 entries in the Land Registry, most recently in February 2025 and a single entry in the EPC database dated January 2018.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 23, Thirlmere Avenue, Slough, we estimate a market value of £258,816 and a rental value of £1,377 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £229,237 and £1,219 per month respectively.
Energy Efficiency
23, Thirlmere Avenue, Slough has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Jan 2018.
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
The most recent sale of 23, Thirlmere Avenue, Slough completed on 21st February 2025 at £255,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 21.7% over the period since February 2025.
- Sold Feb 2025£255,000
- Sold Nov 1999£72,000
Similar Properties Sold Nearby
Since 2020 161 properties similar to 23, Thirlmere Avenue, Slough have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st October 2025, was 12, Coniston Crescent, Slough, SL1 6EE, a leasehold flat which sold for £300,000.
Read more about house prices in SL1.
- Sold Oct 2025£300,000 | 2 Bed Flat12, Coniston Crescent, Slough, SL1 6EE12, Coniston Crescent, Slough, SL1 6EE
- Sold Sep 2025£320,000 | 2 Bed Flat6, Buttermere Avenue, Slough, SL1 6EG6, Buttermere Avenue, Slough, SL1 6EG
- Sold Jul 2025£310,000 | 2 Bed Flat49, Thirlmere Avenue, Slough, SL1 6EB49, Thirlmere Avenue, Slough, SL1 6EB
- Sold Jul 2025£289,000 | 2 Bed Flat25, Coniston Crescent, Slough, SL1 6EE25, Coniston Crescent, Slough, SL1 6EE
- Sold Jul 2025£250,000 | 2 Bed Flat50, Huntercombe Lane North, Slough, SL1 6DY50, Huntercombe Lane North, Slough, SL1 6DY
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 £301,062, ranging from £216,324 to £457,543.
- 21 Thirlmere Avenue
2 Bed Flat | 0 m | Est. Value: £246,492
- 19 Thirlmere Avenue
2 Bed Flat | 10 m | Est. Value: £216,324
- 17 Thirlmere Avenue
2 Bed Flat | 10 m | Est. Value: £252,686
- 25 Thirlmere Avenue
2 Bed Flat | 13 m | Est. Value: £254,736
- 31 Thirlmere Avenue
2 Bed Flat | 19 m | Est. Value: £248,565
Location Comparison
Of the 112 addresses on Thirlmere Avenue, Slough, SL1, 23, Thirlmere Avenue, Slough comes out as the 63rd largest and the 74th most expensive in our analysis of the public data.
It is also £124k less expensive than the average property across the SL1 district.
More reading links
Schools Nearby
- Our Lady of Peace Catholic Primary and Nursery School300 m away
- Priory School400 m away
- Lent Rise School600 m away
- Burnham Grammar School600 m away
- The Westgate School2.5 km away
- Beechwood School2.7 km away
More reading links
Public Transport Nearby
- Burnham (Buckinghamshire)|900 m away
- Burnham|1.0 km away
- Taplow|1.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












