20 Northumberland Avenue, Isleworth, TW7 5HU is a freehold terraced property built between 1930-1949. The property offers approximately 1,012 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 £728,857 , which equates to approximately £720 per square foot. It was last sold on 24 Oct 2011 for £408,250. Since then, the value has increased by £320,607, representing a 78.5% increase, or approximately 5.6% per year.

The current estimated value of £728,857 is:

  • 4.0% lower than the average property price on Northumberland Avenue
  • 12.1% lower than the average in the TW7 5HU postcode area
  • and 29.3% 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 3 June 2011, the property was recorded as owner-occupied.

View sold house prices in TW7 5HU

Building approximate location

About Property

Type
Semi-Detached House
Built
1930-1949
Interior Size
1012 sq ft
Tenure
Freehold
Price (estimate)
£728,857
Price Per sq ft (estimate)
£720
Bedroom Count (estimate)
3 bedrooms

EPC Summary

20 Northumberland Avenue, Isleworth, Hounslow, Greater London Authority, TW7 5HU has an Energy Performance Certificate (EPC) rating of E, based on the latest assessment carried out on 3 Jun 2011.

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 the main heating system, though the cylinder has no thermostat. The windows are fully double glazed.

The previous EPC assessment was conducted on 11 May 2011. The rating of E is unchanged, though the energy efficiency score decreased by 8.5%.

Since the previous assessment, several changes were observed:

  • The hot water energy efficiency changing from average to poor, while the system remained as from main system, no cylinder thermostat.
  • The lighting was updated from no low energy lighting to low energy lighting in 50% of fixed outlets, with efficiency improving from very poor to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system, no cylinder thermostat
Poor
Roof
Pitched, 300+ mm loft insulation
Very Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in 50% of fixed outlets
Good

Compared to TW7 5HU

9 th / 10
Price Rank
12% lower than average
6 th / 6
Size Rank
30% smaller than average
1 st / 6
Price Per Sq FT Rank
26% higher than average

Compared to other properties in TW7 5HU , this house's estimated value ranks 9th out of 10. Based on price per square foot, it ranks 1st out of 6 properties. This suggests a relatively high price per square foot, which may reflect quality, location, or recent upgrades. In terms of size, this home ranks 6th out of 6 properties in its postcode area.

Sale History

Today
£728,857
streetscan.co.uk estimate
+79 %
24 Oct 2011
£408,250
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 1044 sq ft
sale price: £725,000
sale date: 15 Sep 2023

Data Sources

The property at 20 Northumberland Avenue, Isleworth, Hounslow, Greater London Authority, TW7 5HU appears once in the Land Registry records, with the transaction recorded on 24 Oct 2011. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 3 Jun 2011. 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.