PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
London Road, ISLEWORTH, TW7 5AW
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 London Road, TW7 5AW 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 London Road, ISLEWORTH, TW7 5AW
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
250a London Road
Date
1 Sep 2011
Current
Potential
65
66
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
1 Sep 2011
65
66
Total Floor Area
30 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
1
Address
250b London Road
Date
7 Dec 2009
Current
Potential
79
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
7 Dec 2009
79
80
Total Floor Area
17 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
1
Address
250c London Road
Date
4 Apr 2009
Current
Potential
82
87
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1991-1995
Certificate History
4 Apr 2009
82
87
Total Floor Area
18 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
250d London Road
Date
23 Aug 2020
Current
Potential
71
71
Property Type
Flat
Built Form
Enclosed End-Terrace
Constructed
1950-1966
Certificate History
23 Aug 2020
71
71
7 Sep 2009
75
78
Total Floor Area
23 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
1
Address
250e London Road
Date
1 Sep 2011
Current
Potential
64
65
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
1 Sep 2011
64
65
Total Floor Area
13 sq m
Current CO2 Emissions Level
0.6
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
250f London Road
Date
1 Sep 2011
Current
Potential
58
62
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
1 Sep 2011
58
62
Total Floor Area
13 sq m
Current CO2 Emissions Level
1.0
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
250g London Road
Date
1 Sep 2011
Current
Potential
58
62
Property Type
Flat
Built Form
Enclosed End-Terrace
Constructed
1967-1975
Certificate History
1 Sep 2011
58
62
Total Floor Area
15 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
250h London Road
Date
1 Sep 2011
Current
Potential
57
61
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
1 Sep 2011
57
61
Total Floor Area
11 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
84
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
250j London Road
Date
23 Aug 2020
Current
Potential
59
63
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
23 Aug 2020
59
63
7 Sep 2009
74
81
Total Floor Area
15 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
117
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
252 London Road
Date
13 May 2012
Current
Potential
54
80
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
13 May 2012
54
80
Total Floor Area
115 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
256 London Road
Date
27 Mar 2009
Current
Potential
66
66
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
27 Mar 2009
66
66
Total Floor Area
103 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
4.4
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
8
Number of Extensions
1
Address
258 London Road
Date
18 Oct 2010
Current
Potential
70
72
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
18 Oct 2010
70
72
Total Floor Area
36 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
260 London Road
Date
13 Oct 2010
Current
Potential
55
60
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
13 Oct 2010
55
60
Total Floor Area
89 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
4.4
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
2
Address
292 LONDON ROAD, ISLEWORTH
Date
30 Nov 2020
Current
Potential
67
84
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
30 Nov 2020
67
84
Total Floor Area
161 sq m
Current CO2 Emissions Level
5.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
1
Address
294 London Road
Date
29 Apr 2024
Current
Potential
62
78
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
29 Apr 2024
62
78
Total Floor Area
149 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
296a London Road
Date
12 Nov 2009
Current
Potential
53
67
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
12 Nov 2009
53
67
Total Floor Area
57 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
74
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
298 London Road
Date
19 Feb 2014
Current
Potential
59
85
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
19 Feb 2014
59
85
Total Floor Area
115 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
302 London Road
Date
30 Oct 2008
Current
Potential
63
64
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
30 Oct 2008
63
64
Total Floor Area
120 sq m
Current CO2 Emissions Level
5.3
Potential CO2 Emissions Level
5.3
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
1
Address
302 LONDON ROAD, ISLEWORTH
Date
12 Nov 2020
Current
Potential
71
88
Property Type
House
Built Form
End-Terrace
Constructed
1930-1949
Certificate History
12 Nov 2020
71
88
Total Floor Area
120 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
Flat A, 280 London Road
Date
17 Sep 2018
Current
Potential
52
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
17 Sep 2018
52
74
Total Floor Area
58 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat B, 280 London Road
Date
17 Jun 2019
Current
Potential
45
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
17 Jun 2019
45
73
Total Floor Area
71 sq m
Current CO2 Emissions Level
5.3
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
75
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
1
Address
Flat C, The Pines
Date
27 Jun 2022
Current
Potential
44
59
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
27 Jun 2022
44
59
Total Floor Area
50 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
3.1
CO2 per sq m per Year
91
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
Flat D, 280 London Road
Date
17 Sep 2018
Current
Potential
46
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
17 Sep 2018
46
76
Total Floor Area
53 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
83
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Room A, 250 London Road
Date
21 Jun 2022
Current
Potential
67
69
Property Type
Flat
Built Form
Semi-Detached
Constructed
1996-2002
Certificate History
21 Jun 2022
67
69
Total Floor Area
24 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Room B, 250 London Road
Date
25 Feb 2022
Current
Potential
62
68
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
25 Feb 2022
62
68
Total Floor Area
17 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
80
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Room C, 250 London Road
Date
19 Sep 2022
Current
Potential
69
70
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
19 Sep 2022
69
70
Total Floor Area
16 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Room E, 250 London Road
Date
16 Feb 2023
Current
Potential
65
68
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
16 Feb 2023
65
68
Total Floor Area
14 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
79
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Room F, 250 London Road
Date
26 Sep 2021
Current
Potential
62
62
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
26 Sep 2021
62
62
Total Floor Area
12 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
97
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Room G, 250 London Road
Date
26 Sep 2021
Current
Potential
59
62
Property Type
Flat
Built Form
End-Terrace
Constructed
1930-1949
Certificate History
26 Sep 2021
59
62
Total Floor Area
13 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
110
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Room H, 250 London Road
Date
24 Feb 2022
Current
Potential
58
61
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
24 Feb 2022
58
61
Total Floor Area
11 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
129
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.