PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Walnut Tree Close, HODDESDON, EN11 8NB
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 Walnut Tree Close, EN11 8NB 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 Walnut Tree Close, HODDESDON, EN11 8NB
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Walnut Tree Close
Date
29 Mar 2019
Current
Potential
64
79
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
29 Mar 2019
64
79
Total Floor Area
105 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
2
Address
11 Walnut Tree Close
Date
9 Dec 2010
Current
Potential
39
63
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
9 Dec 2010
39
63
Total Floor Area
48 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
3.5
CO2 per sq m per Year
102
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
12 Walnut Tree Close
Date
3 Jul 2022
Current
Potential
63
68
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
3 Jul 2022
63
68
20 Aug 2015
60
75
Total Floor Area
53 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
3.1
CO2 per sq m per Year
68
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
13 Walnut Tree Close
Date
9 Jun 2022
Current
Potential
73
75
Property Type
Flat
Built Form
Detached
Constructed
1967-1975
Certificate History
9 Jun 2022
73
75
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
15 Walnut Tree Close
Date
22 Jul 2025
Current
Potential
44
75
Property Type
Flat
Built Form
Not Recorded
Constructed
1950-1966
Certificate History
22 Jul 2025
44
75
7 Aug 2015
49
72
Total Floor Area
49 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
19
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
16 Walnut Tree Close
Date
28 Aug 2024
Current
Potential
67
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1983-1990
Certificate History
28 Aug 2024
67
79
1 Sep 2014
70
75
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
53
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
17 Walnut Tree Close
Date
19 Feb 2019
Current
Potential
60
76
Property Type
Flat
Built Form
Detached
Constructed
1967-1975
Certificate History
19 Feb 2019
60
76
Total Floor Area
47 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
75
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
18 Walnut Tree Close
Date
20 Mar 2013
Current
Potential
57
73
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
Certificate History
20 Mar 2013
57
73
Total Floor Area
48 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
3.1
CO2 per sq m per Year
86
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
19 Walnut Tree Close
Date
7 Jan 2011
Current
Potential
66
77
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
7 Jan 2011
66
77
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
50
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
2 Walnut Tree Close
Date
8 Jan 2010
Current
Potential
48
56
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
8 Jan 2010
48
56
Total Floor Area
67 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
5.0
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
20 Walnut Tree Close
Date
9 Jun 2023
Current
Potential
79
81
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
9 Jun 2023
79
81
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
46
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
21 Walnut Tree Close
Date
4 Jan 2011
Current
Potential
62
73
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
4 Jan 2011
62
73
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
58
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
22 Walnut Tree Close
Date
22 Apr 2019
Current
Potential
67
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
22 Apr 2019
67
75
Total Floor Area
47 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
70
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
23 Walnut Tree Close
Date
15 May 2024
Current
Potential
65
76
Property Type
Flat
Built Form
Detached
Constructed
1976-1982
Certificate History
15 May 2024
65
76
20 Mar 2012
56
66
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
79
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
24 Walnut Tree Close
Date
15 May 2018
Current
Potential
59
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
15 May 2018
59
78
11 Nov 2014
59
76
Total Floor Area
47 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
76
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
25 Walnut Tree Close
Date
7 Apr 2010
Current
Potential
68
71
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
7 Apr 2010
68
71
9 Mar 2009
62
72
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
58
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
26 Walnut Tree Close
Date
16 Aug 2022
Current
Potential
75
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
16 Aug 2022
75
75
4 Feb 2011
67
77
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
43
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
27 Walnut Tree Close
Date
24 Mar 2016
Current
Potential
60
74
Property Type
Flat
Built Form
Detached
Constructed
1967-1975
Certificate History
24 Mar 2016
60
74
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
74
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
28 Walnut Tree Close
Date
13 Dec 2010
Current
Potential
63
73
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
13 Dec 2010
63
73
12 May 2009
62
72
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
56
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
29 Walnut Tree Close
Date
28 Sep 2010
Current
Potential
48
69
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
28 Sep 2010
48
69
Total Floor Area
47 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
85
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
30 Walnut Tree Close
Date
14 Mar 2018
Current
Potential
64
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
14 Mar 2018
64
74
Total Floor Area
47 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
79
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
31 Walnut Tree Close
Date
13 Jan 2025
Current
Potential
72
72
Property Type
Flat
Built Form
Detached
Constructed
1967-1975
Certificate History
13 Jan 2025
72
72
12 Sep 2024
81
82
Total Floor Area
51 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
50
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
32 Walnut Tree Close
Date
15 Dec 2010
Current
Potential
64
75
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
15 Dec 2010
64
75
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
53
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
33 Walnut Tree Close
Date
4 Jan 2011
Current
Potential
62
73
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
4 Jan 2011
62
73
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
57
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
34 Walnut Tree Close
Date
4 Apr 2023
Current
Potential
73
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
4 Apr 2023
73
75
16 Dec 2010
61
72
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
35 Walnut Tree Close
Date
15 Dec 2010
Current
Potential
44
67
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
15 Dec 2010
44
67
Total Floor Area
48 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
3.1
CO2 per sq m per Year
90
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
36 Walnut Tree Close
Date
4 Jan 2011
Current
Potential
53
65
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
4 Jan 2011
53
65
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
74
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
37 Walnut Tree Close
Date
23 Dec 2010
Current
Potential
65
76
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
23 Dec 2010
65
76
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
51
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
38 Walnut Tree Close
Date
14 Jan 2011
Current
Potential
66
76
Property Type
Flat
Built Form
N/A
Constructed
1967-1975
Certificate History
14 Jan 2011
66
76
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
51
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
39 Walnut Tree Close
Date
17 Dec 2024
Current
Potential
71
80
Property Type
Flat
Built Form
Semi-Detached
Constructed
1976-1982
Certificate History
17 Dec 2024
71
80
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
50
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
40 Walnut Tree Close
Date
10 Dec 2024
Current
Potential
45
61
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
10 Dec 2024
45
61
Total Floor Area
48 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
4.4
CO2 per sq m per Year
108
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
6 Walnut Tree Close
Date
29 Jul 2014
Current
Potential
55
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
29 Jul 2014
55
85
Total Floor Area
75 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
8 Walnut Tree Close
Date
29 Sep 2016
Current
Potential
59
84
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
29 Sep 2016
59
84
Total Floor Area
92 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
2
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 2026.