PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Warkworth Gardens, ISLEWORTH, TW7 5JN

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 Warkworth Gardens, TW7 5JN 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 Warkworth Gardens, ISLEWORTH, TW7 5JN
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Warkworth Gardens
Date
12 Jul 2016
Current
Potential
58
77
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
12 Jul 2016
58
77
9 Jun 2016
61
76
15 Feb 2011
65
79
Total Floor Area
61 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
10 WARKWORTH GARDENS
Date
17 Jun 2021
Current
Potential
62
67
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
17 Jun 2021
62
67
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
11 Warkworth Gardens
Date
31 Aug 2017
Current
Potential
68
77
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
31 Aug 2017
68
77
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
12 Warkworth Gardens
Date
8 Mar 2010
Current
Potential
71
79
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
8 Mar 2010
71
79
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
13 Warkworth Gardens
Date
19 Aug 2014
Current
Potential
28
58
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
19 Aug 2014
28
58
Total Floor Area
59 sq m
Current CO2 Emissions Level
8.7
Potential CO2 Emissions Level
5.5
CO2 per sq m per Year
149
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
14 Warkworth Gardens
Date
2 Feb 2023
Current
Potential
66
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
2 Feb 2023
66
73
20 May 2019
48
74
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
15 WARKWORTH GARDENS
Date
8 Jun 2021
Current
Potential
69
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
8 Jun 2021
69
78
Total Floor Area
60 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
15 Warkworth Gardens
Date
14 Jan 2011
Current
Potential
68
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
14 Jan 2011
68
76
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
17 Warkworth Gardens
Date
7 Nov 2015
Current
Potential
67
75
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
7 Nov 2015
67
75
31 Jan 2015
69
76
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
18 Warkworth Gardens
Date
24 Nov 2022
Current
Potential
58
72
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
24 Nov 2022
58
72
31 Aug 2020
56
68
Total Floor Area
62 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
72
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
1
Address
19 Warkworth Gardens
Date
7 Nov 2015
Current
Potential
61
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
7 Nov 2015
61
76
Total Floor Area
62 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
2 WARKWORTH GARDENS
Date
2 Jun 2021
Current
Potential
67
73
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
2 Jun 2021
67
73
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
2 Warkworth Gardens
Date
30 Aug 2016
Current
Potential
21
31
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
30 Aug 2016
21
31
Total Floor Area
58 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
75
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
20 Warkworth Gardens
Date
19 Apr 2022
Current
Potential
69
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
19 Apr 2022
69
76
Total Floor Area
57 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
2
Number of Extensions
0
Address
20 Warkworth Gardens
Date
10 Mar 2010
Current
Potential
68
80
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
10 Mar 2010
68
80
Total Floor Area
60 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
23 WARKWORTH GARDENS, ISLEWORTH
Date
1 Feb 2021
Current
Potential
72
75
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
1 Feb 2021
72
75
Total Floor Area
58 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
24 Warkworth Gardens
Date
27 May 2024
Current
Potential
70
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
27 May 2024
70
76
30 Jan 2014
58
65
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
25 Warkworth Gardens
Date
4 Dec 2015
Current
Potential
74
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
4 Dec 2015
74
76
Total Floor Area
59 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
27 Warkworth Gardens
Date
12 Dec 2015
Current
Potential
67
69
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
12 Dec 2015
67
69
Total Floor Area
64 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
28 Warkworth Gardens
Date
21 Aug 2022
Current
Potential
49
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
21 Aug 2022
49
74
Total Floor Area
61 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
78
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
3 Warkworth Gardens
Date
13 Feb 2023
Current
Potential
59
77
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
13 Feb 2023
59
77
1 Nov 2016
25
77
Total Floor Area
81 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
5 Warkworth Gardens
Date
23 Jul 2024
Current
Potential
71
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
23 Jul 2024
71
77
22 May 2014
56
74
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.2
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
8 Warkworth Gardens
Date
5 Oct 2015
Current
Potential
62
66
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
5 Oct 2015
62
66
Total Floor Area
42 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
57
Mains Gas Available
Yes
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.