21A Trinity Place, Windsor, SL4 3AT is a leasehold semi-detached property built between 1900-1929. The property offers approximately 603 square feet of living space and is situated on the 1st floor of a 4-storey building. In this location, properties of similar size usually have one bedroom.

The estimated current market value of the property is £594,624 , which equates to approximately £986 per square foot. It was last sold on 7 Sep 2004 for £273,000. Since then, the value has increased by £321,624, representing a 117.8% increase, or approximately 5.4% per year.

The current estimated value of £594,624 is:

  • 39.0% lower than the average property price on Trinity Place
  • 6.3% lower than the average in the SL4 3AT postcode area
  • and 9.2% lower than the average price for Windsor as a whole

At the most recent EPC inspection on 15 September 2025, the property was recorded as owner-occupied.

View sold house prices in SL4 3AT

Building approximate location

About Property

Type
Not Recorded Maisonette
Built
1900-1929
Interior Size
603 sq ft
Tenure
Leasehold
Floor level
1st floor of 4
Price (estimate)
£594,624
Price Per sq ft (estimate)
£986
Bedroom Count (estimate)
1 bedroom

EPC Summary

21A Trinity Place, Windsor, Windsor And Maidenhead, SL4 3AT has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 15 Sep 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 mostly multiple glazing.

The previous EPC assessment was conducted on 28 Jan 2015, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 7.5%.

Since the previous assessment, several changes were observed:

  • The wall energy efficiency improving from very poor to poor, with the construction or insulation remaining solid brick, as built, no insulation (assumed).
  • The windows were upgraded from partial double glazing to mostly multiple glazing.
  • The lighting was changed from low energy lighting in 38% of fixed outlets to below average lighting efficiency, with no change in efficiency (average).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Poor
Windows
Mostly multiple glazing
Poor
Lighting
Below average lighting efficiency
Average

Compared to SL4 3AT

4 th / 19
Price Rank
6% lower than average
9 th / 14
Size Rank
33% smaller than average
1 st / 14
Price Per Sq FT Rank
40% higher than average

Sale History

Today
£594,624
streetscan.co.uk estimate
+118 %
7 Sep 2004
£273,000
Leasehold
+60.6 %
18 Aug 2000
£169,950
Leasehold
+92 %
30 Aug 1996
£88,500
Leasehold

Area Insights

Nearby Properties

21D Trinity Place, Windsor, SL4 3AT
rooms: 3
size: 667 sq ft
sale price: £400,000
sale date: 27 Jun 2022
21B Trinity Place, Windsor, SL4 3AT
rooms: 3
size: 581 sq ft
sale price: £196,610
sale date: 22 Mar 2006
21C Trinity Place, Windsor, SL4 3AT
rooms: 3
size: 667 sq ft
sale price: £125,000
sale date: 17 Oct 1997
20A Trinity Place, Windsor, SL4 3AT
rooms: 3
size: 678 sq ft
sale price: £410,000
sale date: 31 Mar 2023
20D Trinity Place, Windsor, SL4 3AT
rooms: 4
size: 476 sq ft
sale price: £365,000
sale date: 27 Jun 2018

Data Sources

The property at 21A Trinity Place, Windsor, SL4 3AT appears three times in the Land Registry records, with the latest transaction recorded on 7 Sep 2004. It also has three Energy Performance Certificates (EPC) entries, the earliest dating back to 15 Sep 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.
↑