PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Cowper Road, HEMEL HEMPSTEAD, HP1 1PE
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 Cowper Road, HP1 1PE 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 Cowper Road, HEMEL HEMPSTEAD, HP1 1PE
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Cowper Road
Date
10 Jun 2013
Current
Potential
47
74
Property Type
House
Built Form
Detached
Constructed
before 1900
Certificate History
10 Jun 2013
47
74
Total Floor Area
210 sq m
Current CO2 Emissions Level
11.0
Potential CO2 Emissions Level
5.5
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
9
Number of Extensions
3
Address
10 Cowper Road
Date
10 Aug 2023
Current
Potential
71
85
Property Type
House
Built Form
Detached
Constructed
1976-1982
Certificate History
10 Aug 2023
71
85
11 Apr 2017
64
85
Total Floor Area
87 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
12 Cowper Road
Date
13 Sep 2024
Current
Potential
58
77
Property Type
House
Built Form
Detached
Constructed
before 1900
Certificate History
13 Sep 2024
58
77
22 Aug 2018
55
79
2 Nov 2015
45
62
Total Floor Area
198 sq m
Current CO2 Emissions Level
10.0
Potential CO2 Emissions Level
5.1
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
10
Number of Extensions
4
Address
13 Cowper Road
Date
10 Oct 2023
Current
Potential
57
79
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
10 Oct 2023
57
79
10 Sep 2013
56
81
Total Floor Area
121 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
14 Cowper Road
Date
27 Sep 2009
Current
Potential
81
83
Property Type
House
Built Form
Detached
Constructed
N/A
Certificate History
27 Sep 2009
81
83
Total Floor Area
206 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
17
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
15 Cowper Road
Date
6 Oct 2019
Current
Potential
57
81
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
6 Oct 2019
57
81
Total Floor Area
127 sq m
Current CO2 Emissions Level
6.6
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
17 Cowper Road
Date
13 Jun 2016
Current
Potential
41
75
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
13 Jun 2016
41
75
Total Floor Area
109 sq m
Current CO2 Emissions Level
8.1
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
75
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
19 Cowper Road
Date
29 Sep 2021
Current
Potential
46
82
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
29 Sep 2021
46
82
Total Floor Area
103 sq m
Current CO2 Emissions Level
7.1
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
2 Cowper Road
Date
28 Jun 2018
Current
Potential
69
84
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
Certificate History
28 Jun 2018
69
84
Total Floor Area
93 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
23 Cowper Road
Date
23 May 2018
Current
Potential
55
83
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
23 May 2018
55
83
14 Jan 2016
43
75
Total Floor Area
107 sq m
Current CO2 Emissions Level
6.1
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
24 Cowper Road
Date
4 Mar 2013
Current
Potential
63
81
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
4 Mar 2013
63
81
Total Floor Area
109 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
27 Cowper Road
Date
27 Feb 2013
Current
Potential
40
72
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
27 Feb 2013
40
72
Total Floor Area
106 sq m
Current CO2 Emissions Level
7.5
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
71
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
28 Cowper Road
Date
18 Jul 2023
Current
Potential
66
83
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
18 Jul 2023
66
83
18 Jul 2023
66
83
24 Jun 2009
64
75
Total Floor Area
107 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
2
Address
29 Cowper Road
Date
28 Feb 2024
Current
Potential
53
86
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
28 Feb 2024
53
86
Total Floor Area
107 sq m
Current CO2 Emissions Level
6.4
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
3 Cowper Road
Date
22 Feb 2024
Current
Potential
71
81
Property Type
House
Built Form
Detached
Constructed
1976-1982
Certificate History
22 Feb 2024
71
81
22 Jan 2013
48
73
Total Floor Area
142 sq m
Current CO2 Emissions Level
4.6
Potential CO2 Emissions Level
3.1
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
0
Address
30 Cowper Road
Date
22 May 2017
Current
Potential
66
84
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
22 May 2017
66
84
9 May 2012
50
78
Total Floor Area
128 sq m
Current CO2 Emissions Level
5.3
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
30a Cowper Road
Date
10 Jan 2022
Current
Potential
70
84
Property Type
House
Built Form
Detached
Constructed
1996-2002
Certificate History
10 Jan 2022
70
84
5 May 2014
69
82
Total Floor Area
113 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
31 Cowper Road
Date
12 Mar 2020
Current
Potential
59
86
Property Type
House
Built Form
Detached
Constructed
before 1900
Certificate History
12 Mar 2020
59
86
22 Jul 2009
34
46
Total Floor Area
87 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
2
Address
32 Cowper Road
Date
19 Dec 2024
Current
Potential
67
89
Property Type
House
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
19 Dec 2024
67
89
9 Apr 2015
40
81
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
32a Cowper Road
Date
3 Mar 2017
Current
Potential
66
79
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
3 Mar 2017
66
79
20 Nov 2013
60
80
Total Floor Area
88 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
33 Cowper Road
Date
22 Mar 2024
Current
Potential
57
80
Property Type
House
Built Form
Detached
Constructed
1967-1975
Certificate History
22 Mar 2024
57
80
Total Floor Area
110 sq m
Current CO2 Emissions Level
6.0
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
34 Cowper Road
Date
28 Apr 2009
Current
Potential
71
74
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
28 Apr 2009
71
74
Total Floor Area
59 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
37 Cowper Road
Date
31 Jan 2019
Current
Potential
45
78
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
31 Jan 2019
45
78
Total Floor Area
76 sq m
Current CO2 Emissions Level
7.8
Potential CO2 Emissions Level
3.5
CO2 per sq m per Year
102
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
1
Address
39 Cowper Road
Date
10 Sep 2019
Current
Potential
40
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
10 Sep 2019
40
88
Total Floor Area
62 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
69
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
4 Cowper Road
Date
4 Dec 2018
Current
Potential
64
83
Property Type
House
Built Form
Detached
Constructed
1900-1929
Certificate History
4 Dec 2018
64
83
19 Jul 2009
30
43
Total Floor Area
141 sq m
Current CO2 Emissions Level
6.1
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
41 Cowper Road
Date
17 Aug 2021
Current
Potential
39
93
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
17 Aug 2021
39
93
Total Floor Area
64 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
68
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
1
Address
42 Cowper Road
Date
10 Feb 2013
Current
Potential
55
84
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
10 Feb 2013
55
84
Total Floor Area
80 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
45 Cowper Road
Date
20 Jun 2022
Current
Potential
42
89
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
20 Jun 2022
42
89
Total Floor Area
75 sq m
Current CO2 Emissions Level
5.6
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
76
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
2
Address
47a Cowper Road
Date
11 Jan 2017
Current
Potential
35
58
Property Type
Flat
Built Form
End-Terrace
Constructed
before 1900
Certificate History
11 Jan 2017
35
58
Total Floor Area
35 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
100
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
48 Cowper Road
Date
3 Jul 2018
Current
Potential
48
74
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
3 Jul 2018
48
74
Total Floor Area
88 sq m
Current CO2 Emissions Level
6.0
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
4a Cowper Road
Date
6 Aug 2020
Current
Potential
81
93
Property Type
House
Built Form
Detached
Constructed
N/A
Certificate History
6 Aug 2020
81
93
Total Floor Area
78 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
18
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
50 Cowper Road
Date
5 Oct 2009
Current
Potential
66
70
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
5 Oct 2009
66
70
Total Floor Area
109 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
4.1
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
52 Cowper Road
Date
10 May 2011
Current
Potential
37
44
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
10 May 2011
37
44
Total Floor Area
69 sq m
Current CO2 Emissions Level
6.9
Potential CO2 Emissions Level
6.0
CO2 per sq m per Year
87
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
54 Cowper Road
Date
28 May 2018
Current
Potential
49
81
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
28 May 2018
49
81
Total Floor Area
69 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
71
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
2
Address
56 Cowper Road
Date
16 Mar 2009
Current
Potential
54
63
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
16 Mar 2009
54
63
Total Floor Area
61 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
58 Cowper Road
Date
24 May 2017
Current
Potential
54
81
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
24 May 2017
54
81
Total Floor Area
71 sq m
Current CO2 Emissions Level
4.6
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
6 Cowper Road
Date
15 Jul 2020
Current
Potential
48
81
Property Type
House
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
15 Jul 2020
48
81
Total Floor Area
94 sq m
Current CO2 Emissions Level
6.4
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
68
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
4
Address
60 Cowper Road
Date
31 May 2011
Current
Potential
45
53
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
31 May 2011
45
53
Total Floor Area
61 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
4.1
CO2 per sq m per Year
79
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
7 Cowper Road
Date
8 Sep 2016
Current
Potential
44
77
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
8 Sep 2016
44
77
Total Floor Area
116 sq m
Current CO2 Emissions Level
8.4
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
72
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
0
Address
8 Cowper Road
Date
30 Jul 2019
Current
Potential
49
85
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
30 Jul 2019
49
85
Total Floor Area
80 sq m
Current CO2 Emissions Level
5.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
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.
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Contains Royal Mail data © Royal Mail copyright and Database right 2025.