PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
St. Johns Road, ISLEWORTH, TW7 6PA
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 St. Johns Road, TW7 6PA 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 St. Johns Road, ISLEWORTH, TW7 6PA
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
Flat 1 St. Johns Court, St. Johns Road
Date
31 Mar 2019
Current
Potential
62
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
31 Mar 2019
62
77
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 10 St. Johns Court, St. Johns Road
Date
30 Mar 2015
Current
Potential
59
66
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
30 Mar 2015
59
66
9 Oct 2011
66
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
FLAT 11, ST. JOHNS COURT
Date
14 Jul 2021
Current
Potential
69
75
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
14 Jul 2021
69
75
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 11 St. Johns Court, St. Johns Road
Date
14 May 2013
Current
Potential
32
77
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
14 May 2013
32
77
Total Floor Area
54 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
94
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 12 St. Johns Court, St. Johns Road
Date
27 Jan 2009
Current
Potential
58
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
27 Jan 2009
58
76
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 12/A St. Johns Court, St. Johns Road
Date
9 Jun 2019
Current
Potential
66
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
9 Jun 2019
66
75
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 14 St. Johns Court, St. Johns Road
Date
13 Feb 2017
Current
Potential
62
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
13 Feb 2017
62
76
Total Floor Area
54 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 16 St. Johns Court, St. Johns Road
Date
2 Aug 2013
Current
Potential
67
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
2 Aug 2013
67
75
Total Floor Area
60 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 17, St. Johns Court
Date
23 Oct 2023
Current
Potential
63
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
23 Oct 2023
63
76
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 18, St. Johns Court
Date
26 Jan 2023
Current
Potential
60
64
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
26 Jan 2023
60
64
Total Floor Area
53 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 18 St. Johns Court, St. Johns Road
Date
6 Feb 2009
Current
Potential
58
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
6 Feb 2009
58
76
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 19 St. Johns Court, St. Johns Road
Date
11 Feb 2016
Current
Potential
70
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
11 Feb 2016
70
78
18 May 2014
62
77
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 2, St. Johns Court
Date
15 Feb 2022
Current
Potential
68
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
15 Feb 2022
68
74
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 20 St. Johns Court, St. Johns Road
Date
29 Apr 2014
Current
Potential
67
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
29 Apr 2014
67
76
1 Jun 2012
62
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 21 St. Johns Court, St. Johns Road
Date
18 May 2010
Current
Potential
72
78
Property Type
Flat
Built Form
N/A
Constructed
1950-1966
Certificate History
18 May 2010
72
78
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 22 St. Johns Court, St. Johns Road
Date
27 Aug 2020
Current
Potential
72
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
27 Aug 2020
72
77
Total Floor Area
52 sq m
Current CO2 Emissions Level
1.8
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 23, ST. JOHNS COURT
Date
25 May 2021
Current
Potential
69
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
25 May 2021
69
75
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 23 St. Johns Court, St. Johns Road
Date
8 Sep 2010
Current
Potential
55
73
Property Type
Flat
Built Form
End-Terrace
Constructed
1930-1949
Certificate History
8 Sep 2010
55
73
10 Aug 2009
48
73
Total Floor Area
55 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
73
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 26 St. Johns Court, St. Johns Road
Date
25 Apr 2019
Current
Potential
71
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
25 Apr 2019
71
76
2 May 2013
30
76
Total Floor Area
52 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 27, St. Johns Court
Date
10 Nov 2023
Current
Potential
70
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
10 Nov 2023
70
76
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 27 St. Johns Court, St. Johns Road
Date
12 Nov 2013
Current
Potential
66
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
12 Nov 2013
66
76
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 28, St. Johns Court
Date
19 Jun 2024
Current
Potential
62
72
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
19 Jun 2024
62
72
Total Floor Area
49 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 28 St. Johns Court, St. Johns Road
Date
21 May 2013
Current
Potential
66
75
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
21 May 2013
66
75
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 29, St. Johns Court
Date
8 Dec 2022
Current
Potential
70
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
8 Dec 2022
70
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 29 St. Johns Court, St. Johns Road
Date
3 Mar 2009
Current
Potential
70
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
3 Mar 2009
70
77
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 3 St. Johns Court, St. Johns Road
Date
23 Mar 2020
Current
Potential
62
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
23 Mar 2020
62
76
9 Jul 2009
62
73
Total Floor Area
51 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 30 St. Johns Court, St. Johns Road
Date
28 Sep 2016
Current
Potential
60
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
28 Sep 2016
60
76
Total Floor Area
55 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 31 St. Johns Court, St. Johns Road
Date
12 Feb 2016
Current
Potential
58
65
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
12 Feb 2016
58
65
Total Floor Area
56 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 32, St. Johns Court
Date
13 Aug 2023
Current
Potential
66
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
13 Aug 2023
66
75
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 32 St. Johns Court, St. Johns Road
Date
5 May 2011
Current
Potential
65
67
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
5 May 2011
65
67
21 Dec 2009
67
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 5 St. Johns Court, St. Johns Road
Date
16 May 2016
Current
Potential
63
73
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
16 May 2016
63
73
Total Floor Area
51 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 6 St. Johns Court, St. Johns Road
Date
28 Sep 2016
Current
Potential
69
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
28 Sep 2016
69
75
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 7 St. Johns Court, St. Johns Road
Date
5 Aug 2010
Current
Potential
71
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
5 Aug 2010
71
78
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 8, St. Johns Court
Date
7 Mar 2022
Current
Potential
67
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
7 Mar 2022
67
74
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 8 St. Johns Court, St. Johns Road
Date
10 Oct 2011
Current
Potential
63
70
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
10 Oct 2011
63
70
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 9 St. Johns Court, St. Johns Road
Date
5 Aug 2010
Current
Potential
71
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
5 Aug 2010
71
78
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
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.