47 Thirlmere Avenue, Slough, SL1 6EB is a leasehold flat built between 1950-1966. The property offers approximately 657 square feet of living space and is situated on the 1st floor. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £225,697 , which equates to approximately £344 per square foot. It was last sold on 20 Dec 2017 for £225,000. Since then, the value has increased by £697, representing a 0.3% increase, or approximately 0.0% per year.

The current estimated value of £225,697 is:

  • 12.5% lower than the average property price on Thirlmere Avenue
  • 17.5% lower than the average in the SL1 6EB postcode area
  • and 42.6% lower than the average price for Slough as a whole

Based on EPC inspection history, this property has been mostly owner-occupied (4 out of 4 inspections). This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 2 July 2025, the property was recorded as owner-occupied.

View sold house prices in SL1 6EB

Building approximate location

About Property

Type
Flat
Built
1950-1966
Interior Size
657 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£225,697
Price Per sq ft (estimate)
£344
Bedroom Count (estimate)
2 bedrooms

EPC Summary

47 Thirlmere Avenue, Slough, SL1 6EB has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 2 Jul 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 2 Jun 2015. The rating of C remains the same, but the energy efficiency score improved by 7.1%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 100 mm loft insulation to pitched, 150 mm loft insulation, improving energy efficiency from average to good.
  • The wall construction or insulation changed from cavity wall, as built, no insulation (assumed) to cavity wall, filled cavity, improving energy efficiency from poor to good.
  • The windows were upgraded from mostly double glazing to fully double glazed.
  • The lighting was updated from low energy lighting in all fixed outlets to good lighting efficiency, with efficiency changing from very good to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 150 mm loft insulation
Good
Walls
Cavity wall, filled cavity
Good
Windows
Fully double glazed
Average
Lighting
Good lighting efficiency
Good

Compared to SL1 6EB

30 th / 41
Price Rank
17% lower than average
32 nd / 38
Size Rank
3% smaller than average
23 rd / 38
Price Per Sq FT Rank
15% lower than average

Compared to other properties in SL1 6EB , this flat's estimated value ranks 30th out of 41. Based on price per square foot, it ranks 23th out of 38 properties. In terms of size, this home ranks 32th out of 38 properties in its postcode area.

Sale History

Today
£225,697
streetscan.co.uk estimate
+0 %
20 Dec 2017
£225,000
Leasehold
+50.1 %
18 Dec 2009
£149,950
Leasehold
+9.9 %
30 Jun 2005
£136,500
Leasehold
+51.7 %
19 Jun 2001
£90,000
Leasehold
+41.7 %
8 Jan 1999
£63,500
Leasehold
+27 %
30 Apr 1996
£50,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 667 sq ft
sale price: £255,000
sale date: 21 Feb 2025
rooms: 2
size: 700 sq ft
sale price: £280,000
sale date: 16 Jul 2024
rooms: 4
size: 700 sq ft
sale price: £277,500
sale date: 13 May 2024
rooms: 3
size: 667 sq ft
sale price: £245,000
sale date: 17 Feb 2023
rooms: 3
size: 700 sq ft
sale price: £305,000
sale date: 21 Oct 2022

Data Sources

The property at 47 Thirlmere Avenue, Slough, SL1 6EB appears six times in the Land Registry records, with the latest transaction recorded on 20 Dec 2017. It also has four Energy Performance Certificates (EPC) entries, the earliest dating back to 2 Jul 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.