148 Syon Lane, Isleworth, TW7 5NJ is a leasehold flat built between 1967-1975. The property offers approximately 829 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 £399,762 , which equates to approximately £482 per square foot. It was last sold on 26 Jan 2007 for £233,500. Since then, the value has increased by £166,262, representing a 71.2% increase, or approximately 3.8% per year.

The current estimated value of £399,762 is:

  • 43.3% lower than the average property price on Syon Lane
  • 27.9% lower than the average in the TW7 5NJ postcode area
  • and 29.1% lower than the average price for Isleworth as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. 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 25 February 2025, the property was recorded as owner-occupied.

View sold house prices in TW7 5NJ

Building approximate location

About Property

Type
Flat
Built
1967-1975
Interior Size
829 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£399,762
Price Per sq ft (estimate)
£482
Bedroom Count (estimate)
2 bedrooms

EPC Summary

148 Syon Lane, Isleworth, Hounslow, Greater London, TW7 5NJ has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 25 Feb 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 6 Sep 2014. The rating of C remains the same, but the energy efficiency score improved by 5.7%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 75 mm loft insulation to pitched, 100 mm loft insulation, with no change in energy efficiency (average).
  • The lighting was updated from low energy lighting in 50% of fixed outlets to low energy lighting in all fixed outlets, with efficiency improving from good to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 100 mm loft insulation
Average
Walls
Cavity wall, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to TW7 5NJ

18 th / 24
Price Rank
28% lower than average
13 th / 19
Size Rank
16% smaller than average
15 th / 19
Price Per Sq FT Rank
15% lower than average

Compared to other properties in TW7 5NJ , this flat's estimated value ranks 18th out of 24. Based on price per square foot, it ranks 15th out of 19 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 13th out of 19 properties in its postcode area.

Sale History

Today
£399,762
streetscan.co.uk estimate
+71 %
26 Jan 2007
£233,500
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 840 sq ft
sale price: £425,000
sale date: 13 Aug 2024
rooms: 4
size: 786 sq ft
sale price: £382,000
sale date: 18 Aug 2023
rooms: 4
size: 840 sq ft
sale price: £370,000
sale date: 1 Jun 2022
rooms: 4
size: 840 sq ft
sale price: £350,000
sale date: 31 Aug 2021
rooms: 3
size: 797 sq ft
sale price: £355,000
sale date: 17 Nov 2020

Data Sources

The property at 148 Syon Lane, Isleworth, Hounslow, Greater London, TW7 5NJ appears once in the Land Registry records, with the transaction recorded on 26 Jan 2007. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 25 Feb 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.