Flat 15, The Power House, 70 Chiswick High Road, London, W4 1SY is a leasehold flat built before 1900. The property offers approximately 603 square feet of living space and is situated on the 1st floor. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £595,315 , which equates to approximately £988 per square foot. It was last sold on 28 Mar 2025 for £590,000. Since then, the value has increased by £5,315, representing a 0.9% increase, or approximately 1.2% per year.

The current estimated value of £595,315 is:

  • 44.3% lower than the average property price on Chiswick High Road
  • 28.8% lower than the average in the W4 1SY postcode area
  • and 28.8% lower than the average price for London as a whole

View sold house prices in W4 1SY

Building approximate location

About Property

Type
Flat
Built
before 1900
Interior Size
603 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£595,315
Price Per sq ft (estimate)
£988
Bedroom Count (estimate)
1 bedroom

EPC Summary

Flat 15, The Power House, 70 Chiswick High Road, London, Hounslow, Greater London, W4 1SY has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 25 Apr 2022.

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 21 Jul 2011. The rating of C is unchanged, though the energy efficiency score decreased by 4.1%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, insulated (assumed) to pitched, 12 mm loft insulation, changing energy efficiency from average to very poor.
  • The wall construction or insulation changed from system built, as built, insulated (assumed) to system built, as built, no insulation (assumed), changing energy efficiency from good to very poor.
  • The lighting was updated from no low energy lighting to low energy lighting in all fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 12 mm loft insulation
Very Poor
Walls
System built, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to W4 1SY

14 th / 46
Price Rank
29% lower than average
27 th / 27
Size Rank
39% smaller than average
1 st / 27
Price Per Sq FT Rank
17% higher than average

Compared to other properties in W4 1SY , this flat's estimated value ranks 14th out of 46. Based on price per square foot, it ranks 1st out of 27 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 27th out of 27 properties in its postcode area.

Sale History

Today
£595,315
streetscan.co.uk estimate
+1 %
28 Mar 2025
£590,000
Leasehold
+145.8 %
22 Nov 2000
£240,000
Leasehold
+86 %
30 Apr 1996
£129,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 689 sq ft
sale price: £640,000
sale date: 30 Nov 2022
rooms: 3
size: 689 sq ft
sale price: £557,500
sale date: 31 Aug 2018
rooms: 3
size: 667 sq ft
sale price: £560,000
sale date: 26 Oct 2015
rooms: 3
size: 667 sq ft
sale price: £516,000
sale date: 17 Jan 2014
rooms: 3
size: 678 sq ft
sale price: £330,000
sale date: 30 Jun 2006

Data Sources

The property at Flat 15, The Power House, 70 Chiswick High Road, London, W4 1SY appears three times in the Land Registry records, with the latest transaction recorded on 28 Mar 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 25 Apr 2022. 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.