26 Athlone Square, Windsor, SL4 1SS is a leasehold flat built between 1967-1975. The property offers approximately 635 square feet of living space and is situated on the 2nd floor of a 3-storey building. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £293,503 , which equates to approximately £462 per square foot. It was last sold on 28 Apr 2022 for £303,000. Since then, the value has decreased by £9,497, representing a 3.1% decrease, or approximately 0.8% per year.

The current estimated value of £293,503 is:

  • 1.0% lower than the average property price on Athlone Square
  • 0.3% lower than the average in the SL4 1SS postcode area
  • and 55.2% lower than the average price for Windsor as a whole

At the most recent EPC inspection on 8 January 2026, the property was recorded as owner-occupied.

View sold house prices in SL4 1SS

Building approximate location

About Property

Type
Flat
Built
1967-1975
Interior Size
635 sq ft
Tenure
Leasehold
Floor level
2nd floor of 3
Price (estimate)
£293,503
Price Per sq ft (estimate)
£462
Bedroom Count (estimate)
1 bedroom

EPC Summary

26 Athlone Square, Windsor, Windsor And Maidenhead, SL4 1SS has an Energy Performance Certificate (EPC) rating of E, based on the latest assessment carried out on 8 Jan 2026.

This property uses electric underfloor heating as its main heating source. Hot water is provided from off-peak electric immersion heater. The windows are fully double glazed.

The previous EPC assessment was conducted on 16 Dec 2014. The rating of E remains the same, but the energy efficiency score improved by 12.5%.

Since the previous assessment, several changes were observed:

  • The heating system changed from electric storage heaters to electric underfloor heating, with no change in energy efficiency (average).
  • The hot water energy efficiency improving from very poor to average, while the system remained as electric immersion, off-peak.
  • The roof construction or insulation changed from (another dwelling above) to flat, limited insulation, improving energy efficiency from n/a to very poor.
  • The lighting was updated from low energy lighting in 33% of fixed outlets to good lighting efficiency, with efficiency improving from average to good.
Heating Type
Electric underfloor heating
Average
Hot Water
Electric immersion, off-peak
Average
Roof
Flat, limited insulation
Very Poor
Walls
Cavity wall, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Average
Lighting
Good lighting efficiency
Good

Compared to SL4 1SS

12 th / 26
Price Rank
0% same as average
11 th / 23
Size Rank
4% bigger than average
8 th / 23
Price Per Sq FT Rank
4% lower than average

Sale History

Today
£293,503
streetscan.co.uk estimate
-3 %
28 Apr 2022
£303,000
Leasehold
+1 %
16 Feb 2018
£300,000
Leasehold
+46.3 %
14 Jul 2006
£205,000
Leasehold
+73.7 %
7 Jul 2000
£118,000
Leasehold
+126.9 %
31 Jan 1997
£52,000
Leasehold
+6.1 %
16 Oct 1995
£49,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 657 sq ft
sale price: £285,000
sale date: 15 Jun 2023
rooms: 3
size: 592 sq ft
sale price: £285,000
sale date: 29 Oct 2021
rooms: 4
size: 635 sq ft
sale price: £260,000
sale date: 31 Mar 2021
rooms: 3
size: 700 sq ft
sale price: £225,000
sale date: 23 Dec 2013
rooms: 2
size: 581 sq ft
sale price: £185,000
sale date: 17 Oct 2013

Data Sources

The property at 26 Athlone Square, Windsor, SL4 1SS appears six times in the Land Registry records, with the latest transaction recorded on 28 Apr 2022. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 8 Jan 2026. 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.