PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Thornbury Road, ISLEWORTH, TW7 4LL
Introduction
Energy Performance Certificates (EPCs) are designed to tell you how efficient a building is and provides a rating between A (very efficient) and G which is inefficient. It helps to identify how costly it will be to light and heat a property and what the carbon dioxide emissions are likely to be.
An EPC needs to be provided as part of the process of selling or renting a house and should be availale as soon as the property is marketed. An EPC may only be produced by an approved domestic energy assessor and each certificate is valid for 10 years.
Additionally, an EPC will highlight potential efficiency improvements that could be made to the property, an estimated cost for implementation and the likely savings that can be made as a result. These costs and savings are for a typical household in that property and not specific to you or your family.
Certificates issued for Thornbury Road, TW7 4LL are shown below and the data are updated monthly for England and Wales and quarterly for properties in Scotland.
Data are provided by the Department for Levelling Up, Housing and Communities.
Energy Performance Certificates Generated for Thornbury Road, ISLEWORTH, TW7 4LL
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
34 Thornbury Road
Date
26 Feb 2009
Current
Potential
1
1
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
26 Feb 2009
1
1
Total Floor Area
180 sq m
Current CO2 Emissions Level
18.0
Potential CO2 Emissions Level
16.0
CO2 per sq m per Year
113
Mains Gas Available
Yes
Habitable Rooms
8
Number of Extensions
0
Address
38 Thornbury Road
Date
7 May 2024
Current
Potential
61
83
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
7 May 2024
61
83
8 Dec 2023
54
81
Total Floor Area
170 sq m
Current CO2 Emissions Level
6.9
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
8
Number of Extensions
1
Address
40 Thornbury Road
Date
3 Feb 2014
Current
Potential
51
79
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
3 Feb 2014
51
79
Total Floor Area
166 sq m
Current CO2 Emissions Level
8.7
Potential CO2 Emissions Level
3.5
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
8
Number of Extensions
0
Address
42 Thornbury Road
Date
3 Jul 2020
Current
Potential
46
79
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
3 Jul 2020
46
79
Total Floor Area
189 sq m
Current CO2 Emissions Level
10.0
Potential CO2 Emissions Level
3.6
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
1
Address
46 Thornbury Road
Date
10 Jan 2013
Current
Potential
53
74
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
10 Jan 2013
53
74
Total Floor Area
206 sq m
Current CO2 Emissions Level
9.8
Potential CO2 Emissions Level
5.5
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
1
Address
48 Thornbury Road
Date
27 Sep 2019
Current
Potential
65
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
27 Sep 2019
65
76
2 Dec 2016
32
74
Total Floor Area
66 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
48A THORNBURY ROAD, ISLEWORTH
Date
8 Jan 2021
Current
Potential
56
64
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
8 Jan 2021
56
64
Total Floor Area
75 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
50a Thornbury Road
Date
31 Oct 2023
Current
Potential
67
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
31 Oct 2023
67
76
31 Oct 2023
71
74
16 Jul 2011
73
74
Total Floor Area
99 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
50b Thornbury Road
Date
7 Nov 2023
Current
Potential
78
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
7 Nov 2023
78
78
16 Jul 2011
80
81
Total Floor Area
55 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
50c Thornbury Road
Date
20 Dec 2021
Current
Potential
71
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
20 Dec 2021
71
79
16 Jul 2011
76
76
Total Floor Area
38 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
50d Thornbury Road
Date
7 Nov 2023
Current
Potential
79
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
2007-2011
Certificate History
7 Nov 2023
79
79
16 Jul 2011
78
78
Total Floor Area
38 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
FLAT 1, 34 THORNBURY ROAD
Date
6 Jan 2021
Current
Potential
69
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
6 Jan 2021
69
77
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
Flat 1, 40 Thornbury Road
Date
14 Feb 2019
Current
Potential
63
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
14 Feb 2019
63
75
Total Floor Area
19 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
86
Mains Gas Available
No
Habitable Rooms
1
Number of Extensions
0
Address
Flat 2, 34 Thornbury Road
Date
19 Dec 2023
Current
Potential
70
80
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
19 Dec 2023
70
80
3 Oct 2012
68
81
Total Floor Area
71 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 2, 40 Thornbury Road
Date
16 Feb 2019
Current
Potential
69
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
16 Feb 2019
69
75
Total Floor Area
15 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
76
Mains Gas Available
No
Habitable Rooms
1
Number of Extensions
0
Address
Flat 3, 34 Thornbury Road
Date
26 Aug 2022
Current
Potential
68
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
26 Aug 2022
68
73
Total Floor Area
50 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
1
Address
Flat 3, 40 Thornbury Road
Date
14 Feb 2019
Current
Potential
63
75
Property Type
Flat
Built Form
End-Terrace
Constructed
before 1900
Certificate History
14 Feb 2019
63
75
Total Floor Area
22 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
78
Mains Gas Available
No
Habitable Rooms
1
Number of Extensions
0
Address
Flat 4, 40 Thornbury Road
Date
7 Mar 2019
Current
Potential
68
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
7 Mar 2019
68
75
Total Floor Area
22 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
65
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Flat 5, 40 Thornbury Road
Date
7 Mar 2019
Current
Potential
70
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
7 Mar 2019
70
76
Total Floor Area
21 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Flat 6, 40 Thornbury Road
Date
7 Mar 2019
Current
Potential
70
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
7 Mar 2019
70
74
Total Floor Area
15 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
75
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Flat 7, 40 Thornbury Road
Date
7 Mar 2019
Current
Potential
54
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
7 Mar 2019
54
74
Total Floor Area
26 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
95
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Bands
Energy Performance Certificate Notes
There are a number of reasons that certificates are excluded from the dataset;
- The holder of the energy certificate has 'opted-out' of disclosure
- The certificate is excluded on the grounds of national security
- Certificates that are marked as 'cancelled' or 'not for issue'
Certificates are grouped together by the property reference identifier rather than the postal address with a view to showing the history of changes made to properties over time. Sometimes, one property may exist as multiple entries in the table instead and this is as a result of inconsistent building references being used on each prepared certificate.
Contains public sector information licensed under the Open Government Licence v3.0.
Contains Royal Mail data © Royal Mail copyright and Database right 2025.