PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Summerwood Road, ISLEWORTH, TW7 7QU

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 Summerwood Road, TW7 7QU 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 Summerwood Road, ISLEWORTH, TW7 7QU
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
67
67
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
67
67
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
42
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
10 Thirlmere House, 401, Summerwood Road
Date
11 Jul 2018
Current
Potential
71
71
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
11 Jul 2018
71
71
24 Apr 2014
79
79
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
36
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
13 Thirlmere House, 401 Summerwood Road
Date
11 Jul 2022
Current
Potential
71
71
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
11 Jul 2022
71
71
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
14 Thirlmere House, 401 Summerwood Road
Date
4 Feb 2024
Current
Potential
72
72
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
4 Feb 2024
72
72
3 Oct 2013
73
74
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
40
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
15 Thirlmere House, 401, Summerwood Road
Date
19 May 2013
Current
Potential
65
68
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
19 May 2013
65
68
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
16 Thirlmere House, 401, Summerwood Road
Date
11 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
11 Jul 2018
70
70
9 Oct 2012
70
71
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
17 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
74
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
74
74
25 Nov 2010
72
75
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
36
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
18 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
67
67
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
67
67
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
42
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
2 Thirlmere House, 401, Summerwood Road
Date
22 Apr 2010
Current
Potential
61
62
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
22 Apr 2010
61
62
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
20 Thirlmere House, 401, Summerwood Road
Date
18 Mar 2019
Current
Potential
75
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
18 Mar 2019
75
75
Total Floor Area
48 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
31
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
21 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
70
70
26 Aug 2015
71
71
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
25 Thirlmere House, 401 Summerwood Road
Date
24 Apr 2023
Current
Potential
73
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
24 Apr 2023
73
75
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
32
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
28 Thirlmere House, 401, Summerwood Road
Date
11 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
11 Jul 2018
70
70
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
29 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
74
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
74
74
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
36
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
3 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
59
59
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
59
59
19 Dec 2009
68
79
Total Floor Area
70 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
3.9
CO2 per sq m per Year
56
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
30 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
67
67
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
67
67
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
43
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
31 Thirlmere House, 401 Summerwood Road
Date
15 Jan 2025
Current
Potential
71
71
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
15 Jan 2025
71
71
19 Sep 2019
71
73
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
35
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
33 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
70
70
12 Jun 2017
67
67
8 Jul 2016
76
77
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
34 Thirlmere House, 401, Summerwood Road
Date
11 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
11 Jul 2018
70
70
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
35 Thirlmere House, 401, Summerwood Road
Date
28 May 2019
Current
Potential
73
73
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
28 May 2019
73
73
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
37
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
37 Thirlmere House, 401, Summerwood Road
Date
5 Oct 2019
Current
Potential
69
70
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
5 Oct 2019
69
70
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
38 Thirlmere House, 401, Summerwood Road
Date
21 Dec 2017
Current
Potential
75
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
21 Dec 2017
75
76
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
4 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
59
59
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
59
59
18 Jun 2014
74
74
Total Floor Area
70 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
3.9
CO2 per sq m per Year
56
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
40 Thirlmere House, 401, Summerwood Road
Date
11 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
11 Jul 2018
70
70
5 Feb 2013
67
68
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
41 Thirlmere House, 401, Summerwood Road
Date
2 Dec 2016
Current
Potential
71
71
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
2 Dec 2016
71
71
Total Floor Area
31 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
49
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
42 Thirlmere House, 401, Summerwood Road
Date
31 Oct 2018
Current
Potential
72
72
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
31 Oct 2018
72
72
28 Mar 2010
76
78
Total Floor Area
79 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
33
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
43 Thirlmere House, 401 Summerwood Road
Date
6 Nov 2024
Current
Potential
73
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
6 Nov 2024
73
73
Total Floor Area
78 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
32
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
47 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
74
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
74
74
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
36
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
48 Thirlmere House, 401, Summerwood Road
Date
27 May 2020
Current
Potential
73
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
27 May 2020
73
73
Total Floor Area
76 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
31
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
5 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
64
64
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
64
64
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
54
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
51 Thirlmere House, 401 Summerwood Road
Date
13 Apr 2024
Current
Potential
68
68
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
13 Apr 2024
68
68
Total Floor Area
67 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
41
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
52 Thirlmere House, 401, Summerwood Road
Date
11 Jul 2018
Current
Potential
70
70
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
11 Jul 2018
70
70
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
38
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
54 Thirlmere House, 401, Summerwood Road
Date
5 Dec 2015
Current
Potential
76
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
5 Dec 2015
76
76
Total Floor Area
77 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
6 Thirlmere House, 401, Summerwood Road
Date
26 Sep 2011
Current
Potential
72
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
26 Sep 2011
72
73
Total Floor Area
71 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
7 Thirlmere House, 401, Summerwood Road
Date
10 Jul 2018
Current
Potential
67
67
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
10 Jul 2018
67
67
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
42
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Bands

A
92 - 100
B
81 - 91
C
69 - 80
D
55 -68
E
39 -54
F
54 -38
G
0 - 20

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.