PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Jansen Walk, LONDON, SW11 2AZ
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 Jansen Walk, SW11 2AZ 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 Jansen Walk, LONDON, SW11 2AZ
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
10 Jansen Walk
Date
19 Jun 2012
Current
Potential
64
78
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1967-1975
Certificate History
19 Jun 2012
64
78
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
11 Jansen Walk
Date
14 Jun 2015
Current
Potential
74
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
14 Jun 2015
74
77
Total Floor Area
46 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
1
Address
12 Jansen Walk
Date
22 Sep 2022
Current
Potential
77
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
22 Sep 2022
77
77
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
26
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
13 Jansen Walk
Date
25 May 2022
Current
Potential
60
75
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
25 May 2022
60
75
8 May 2012
57
72
Total Floor Area
77 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
15 Jansen Walk
Date
2 Dec 2023
Current
Potential
74
79
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
2 Dec 2023
74
79
1 Jul 2013
64
79
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
18 Jansen Walk
Date
9 May 2019
Current
Potential
77
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
9 May 2019
77
78
Total Floor Area
100 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
19 Jansen Walk
Date
22 Jan 2019
Current
Potential
71
77
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
22 Jan 2019
71
77
6 Feb 2009
80
82
Total Floor Area
84 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
2 Jansen Walk
Date
16 Jan 2013
Current
Potential
67
79
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
16 Jan 2013
67
79
Total Floor Area
82 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
20 Jansen Walk
Date
21 Mar 2019
Current
Potential
78
80
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
1976-1982
Certificate History
21 Mar 2019
78
80
16 Oct 2008
70
83
Total Floor Area
87 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
21
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
23 Jansen Walk
Date
4 Feb 2023
Current
Potential
76
80
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
4 Feb 2023
76
80
Total Floor Area
74 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
24 Jansen Walk
Date
31 May 2011
Current
Potential
72
74
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
31 May 2011
72
74
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
25 Jansen Walk
Date
18 Aug 2010
Current
Potential
73
82
Property Type
Maisonette
Built Form
Detached
Constructed
1976-1982
Certificate History
18 Aug 2010
73
82
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
26 Jansen Walk
Date
27 Apr 2022
Current
Potential
71
76
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1967-1975
Certificate History
27 Apr 2022
71
76
18 Apr 2012
57
70
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
27 Jansen Walk
Date
27 Jul 2022
Current
Potential
76
79
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
1967-1975
Certificate History
27 Jul 2022
76
79
18 Sep 2012
68
74
Total Floor Area
63 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
28 Jansen Walk
Date
21 May 2018
Current
Potential
69
71
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
Certificate History
21 May 2018
69
71
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
29 Jansen Walk
Date
29 Aug 2018
Current
Potential
75
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1976-1982
Certificate History
29 Aug 2018
75
79
Total Floor Area
74 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
3 Jansen Walk
Date
5 Oct 2008
Current
Potential
76
83
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
5 Oct 2008
76
83
Total Floor Area
89 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
31 Jansen Walk
Date
9 Apr 2013
Current
Potential
70
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
9 Apr 2013
70
75
Total Floor Area
34 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
31a Jansen Walk
Date
12 Apr 2023
Current
Potential
54
61
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
12 Apr 2023
54
61
Total Floor Area
29 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
71
Mains Gas Available
No
Habitable Rooms
1
Number of Extensions
0
Address
32 Jansen Walk
Date
30 Sep 2011
Current
Potential
69
72
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
30 Sep 2011
69
72
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
36 Jansen Walk
Date
19 Jul 2023
Current
Potential
78
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
19 Jul 2023
78
78
18 Aug 2013
76
80
Total Floor Area
84 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
21
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
37 Jansen Walk
Date
21 Mar 2019
Current
Potential
80
80
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
1976-1982
Certificate History
21 Mar 2019
80
80
16 Oct 2008
74
83
Total Floor Area
83 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
18
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
4 Jansen Walk
Date
11 Jan 2022
Current
Potential
77
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
11 Jan 2022
77
78
15 Jan 2012
76
76
Total Floor Area
78 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
5 Jansen Walk
Date
25 Jan 2014
Current
Potential
56
71
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
Certificate History
25 Jan 2014
56
71
Total Floor Area
21 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
96
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
6 Jansen Walk
Date
29 Mar 2014
Current
Potential
57
73
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1967-1975
Certificate History
29 Mar 2014
57
73
Total Floor Area
73 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
8 Jansen Walk
Date
27 Nov 2021
Current
Potential
76
80
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
27 Nov 2021
76
80
Total Floor Area
74 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat B, 31 Jansen Walk
Date
21 Oct 2015
Current
Potential
68
71
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
21 Oct 2015
68
71
Total Floor Area
36 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
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.