21 Highfield Road, Isleworth, TW7 5LD is a freehold terraced property built between 1930-1949. The property offers approximately 947 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £682,186 , which equates to approximately £720 per square foot. It was last sold on 24 Mar 2017 for £550,000. Since then, the value has increased by £132,186, representing a 24.0% increase, or approximately 2.8% per year.

The current estimated value of £682,186 is:

  • 5.3% lower than the average property price on Highfield Road
  • 0.6% higher than the average in the TW7 5LD postcode area
  • and 16.7% higher 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 12 August 2025, the property was recorded as owner-occupied.

View sold house prices in TW7 5LD

Building approximate location

About Property

Type
Terraced House
Built
1930-1949
Interior Size
947 sq ft
Tenure
Freehold
Price (estimate)
£682,186
Price Per sq ft (estimate)
£720
Bedroom Count (estimate)
3 bedrooms

EPC Summary

21 Highfield Road, Isleworth, Hounslow, Greater London, TW7 5LD has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 12 Aug 2025.

This property uses a gas boiler with radiators as its main heating source. It is connected to mains gas. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 10 Feb 2017, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 22%.

Since the previous assessment, several changes were observed:

  • The heating system changed from boiler and radiators, mains gas to boiler and radiators, mains gas, boiler and underfloor heating, mains gas, with no change in energy efficiency (good).
  • The hot water energy efficiency improving from average to good, while the system remained as from main system.
  • The roof construction or insulation changed from pitched, 200 mm loft insulation to pitched, insulated (assumed), changing energy efficiency from good to average.
  • The lighting was updated from no low energy lighting to excellent lighting efficiency, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, insulated (assumed)
Average
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Excellent lighting efficiency
Very Good

Compared to TW7 5LD

13 th / 18
Price Rank
1% higher than average
5 th / 7
Size Rank
9% smaller than average
4 th / 7
Price Per Sq FT Rank
11% higher than average

Compared to other properties in TW7 5LD , this house's estimated value ranks 13th out of 18. Based on price per square foot, it ranks 4th out of 7 properties. In terms of size, this home ranks 5th out of 7 properties in its postcode area.

Sale History

Today
£682,186
streetscan.co.uk estimate
+24 %
24 Mar 2017
£550,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 969 sq ft
sale price: £450,000
sale date: 28 Oct 2014
rooms: 5
size: 980 sq ft
sale price: £195,000
sale date: 27 Apr 2001

Data Sources

The property at 21 Highfield Road, Isleworth, Hounslow, Greater London, TW7 5LD appears once in the Land Registry records, with the transaction recorded on 24 Mar 2017. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 12 Aug 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.