30 Lansdowne Avenue, Slough, SL1 3SJ is a leasehold flat built between 1930-1949. The property offers approximately 689 square feet of living space. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £285,304 , which equates to approximately £414 per square foot. It was last sold on 25 Jul 2018 for £290,000. Since then, the value has decreased by £4,696, representing a 1.6% decrease, or approximately 0.2% per year.

The current estimated value of £285,304 is:

  • 45.3% lower than the average property price on Lansdowne Avenue
  • 23.6% lower than the average in the SL1 3SJ postcode area
  • and 27.4% lower than the average price for Slough as a whole

Based on EPC inspection history, this property has been mostly owner-occupied (2 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 18 June 2025, the property was recorded as rented.

View sold house prices in SL1 3SJ

Building approximate location

About Property

Type
Semi-Detached Maisonette
Built
1930-1949
Interior Size
689 sq ft
Tenure
Leasehold
Price (estimate)
£285,304
Price Per sq ft (estimate)
£414
Bedroom Count (estimate)
2 bedrooms

EPC Summary

30 Lansdowne Avenue, Slough, SL1 3SJ has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 18 Jun 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 11 Aug 2014. The rating of C remains the same, but the energy efficiency score improved by 8.7%.

Since the previous assessment, several changes were observed:

  • 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 lighting was changed from low energy lighting in all fixed outlets to excellent lighting efficiency, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Cavity wall, filled cavity
Good
Windows
Fully double glazed
Poor
Lighting
Excellent lighting efficiency
Very Good

Compared to SL1 3SJ

6 th / 16
Price Rank
24% lower than average
5 th / 14
Size Rank
29% smaller than average
7 th / 14
Price Per Sq FT Rank
8% higher than average

Compared to other properties in SL1 3SJ , this maisonette's estimated value ranks 6th out of 16. Based on price per square foot, it ranks 7th out of 14 properties. In terms of size, this home ranks 5th out of 14 properties in its postcode area.

Sale History

Today
£285,304
streetscan.co.uk estimate
-2 %
25 Jul 2018
£290,000
Leasehold
+85.3 %
10 Jan 2014
£156,500
Leasehold
+13.8 %
14 Oct 2005
£137,500
Leasehold
+163.2 %
23 Aug 2001
£52,250
Leasehold
+16.1 %
7 Mar 1997
£45,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 667 sq ft
sale price: £263,000
sale date: 28 Sep 2020

Data Sources

The property at 30 Lansdowne Avenue, Slough, SL1 3SJ appears five times in the Land Registry records, with the latest transaction recorded on 25 Jul 2018. It also has four Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Jun 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.