59 Athlone Square, Windsor, SL4 1ST is a leasehold flat built between 1967-1975. The property offers approximately 603 square feet of living space and is situated on the 2nd floor of a 1-storey building. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £309,976 , which equates to approximately £514 per square foot. It was last sold on 11 Feb 2015 for £265,000. Since then, the value has increased by £44,976, representing a 17.0% increase, or approximately 1.5% per year.

The current estimated value of £309,976 is:

  • 4.5% higher than the average property price on Athlone Square
  • 6.4% higher than the average in the SL4 1ST postcode area
  • and 52.7% lower than the average price for Windsor as a whole

Based on EPC inspection history, this property has been mostly owner-occupied (3 out of 3 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 19 May 2026, the property was recorded as owner-occupied.

View sold house prices in SL4 1ST

Building approximate location

About Property

Type
Flat
Built
1967-1975
Interior Size
603 sq ft
Tenure
Leasehold
Floor level
2nd floor of 1
Price (estimate)
£309,976
Price Per sq ft (estimate)
£514
Bedroom Count (estimate)
1 bedroom

EPC Summary

59 Athlone Square, Windsor, Windsor And Maidenhead, SL4 1ST has an Energy Performance Certificate (EPC) rating of E, based on the latest assessment carried out on 19 May 2026.

This property uses electric room heaters as its main heating source. A standard tariff electric immersion heater is used to provide hot water. The windows are fully double glazed.

The previous EPC assessment was conducted on 12 Feb 2026, when the property was rated F. Since then, the rating has improved to E, with the energy efficiency score increasing by 16.7%.

Since the previous assessment, several changes were observed:

  • The wall construction or insulation changed from system built, as built, no insulation (assumed) to cavity wall, as built, no insulation (assumed), improving energy efficiency from very poor to poor.
  • The lighting was updated from below average lighting efficiency to excellent lighting efficiency, with efficiency improving from poor to very good.
Heating Type
Room heaters, electric
Very Poor
Hot Water
Electric immersion, standard tariff
Very Poor
Walls
Cavity wall, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Poor
Lighting
Excellent lighting efficiency
Very Good

Compared to SL4 1ST

7 th / 17
Price Rank
6% higher than average
13 th / 15
Size Rank
6% smaller than average
4 th / 15
Price Per Sq FT Rank
14% higher than average

Sale History

Today
£309,976
streetscan.co.uk estimate
+17 %
11 Feb 2015
£265,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 689 sq ft
sale price: £295,000
sale date: 26 Sep 2025
rooms: 2
size: 527 sq ft
sale price: £221,000
sale date: 27 Jun 2024
rooms: 3
size: 635 sq ft
sale price: £286,500
sale date: 18 Jul 2022
rooms: 4
size: 635 sq ft
sale price: £325,000
sale date: 26 May 2017
rooms: 3
size: 657 sq ft
sale price: £250,000
sale date: 15 Aug 2014

Data Sources

The property at 59 Athlone Square, Windsor, Windsor And Maidenhead, SL4 1ST appears once in the Land Registry records, with the transaction recorded on 11 Feb 2015. It also has three Energy Performance Certificates (EPC) entries, the earliest dating back to 19 May 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.