PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Challoner Street, LONDON, W14 9LD
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 Challoner Street, W14 9LD 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 Challoner Street, LONDON, W14 9LD
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
17 CHALLONER MANSIONS, CHALLONER STREET
Date
13 Oct 2020
Current
Potential
71
82
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
13 Oct 2020
71
82
Total Floor Area
104 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
Flat 1 Challoner Mansions, Challoner Street
Date
2 Jun 2015
Current
Potential
56
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
2 Jun 2015
56
76
Total Floor Area
56 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 10 Challoner Mansions, Challoner Street
Date
10 Aug 2018
Current
Potential
57
61
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
10 Aug 2018
57
61
21 Apr 2010
53
56
Total Floor Area
69 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 11 Challoner Mansions, Challoner Street
Date
24 Aug 2009
Current
Potential
62
71
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
24 Aug 2009
62
71
Total Floor Area
84 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 12, Challoner Mansions
Date
25 Aug 2020
Current
Potential
61
74
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
25 Aug 2020
61
74
18 Jun 2009
70
77
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 12/A Challoner Mansions, Challoner Street
Date
20 May 2018
Current
Potential
71
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
20 May 2018
71
80
27 Mar 2015
31
83
Total Floor Area
80 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 14 Challoner Mansions, Challoner Street
Date
17 Jan 2015
Current
Potential
63
82
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
17 Jan 2015
63
82
Total Floor Area
105 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 15, Challoner Mansions
Date
12 Jan 2023
Current
Potential
73
82
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
12 Jan 2023
73
82
Total Floor Area
73 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 15 Challoner Mansions, Challoner Street
Date
8 Jan 2013
Current
Potential
73
84
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
8 Jan 2013
73
84
Total Floor Area
98 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
FLAT 16, CHALLONER MANSIONS
Date
31 May 2021
Current
Potential
62
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
31 May 2021
62
79
Total Floor Area
104 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 16 Challoner Mansions, Challoner Street
Date
11 Jul 2010
Current
Potential
72
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
11 Jul 2010
72
74
Total Floor Area
110 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 17 Challoner Mansions, Challoner Street
Date
12 Feb 2010
Current
Potential
65
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
12 Feb 2010
65
74
19 Jan 2009
60
68
Total Floor Area
99 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
Flat 18 Challoner Mansions, Challoner Street
Date
17 Jan 2017
Current
Potential
67
83
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
17 Jan 2017
67
83
Total Floor Area
113 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
Flat 19 Challoner Mansions, Challoner Street
Date
24 Feb 2012
Current
Potential
45
54
Property Type
Flat
Built Form
Semi-Detached
Constructed
before 1900
Certificate History
24 Feb 2012
45
54
Total Floor Area
104 sq m
Current CO2 Emissions Level
6.8
Potential CO2 Emissions Level
5.8
CO2 per sq m per Year
65
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
Flat 2 Challoner Mansions, Challoner Street
Date
29 Feb 2020
Current
Potential
69
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
29 Feb 2020
69
78
16 Aug 2009
58
60
26 Feb 2009
62
68
Total Floor Area
88 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 3 Challoner Mansions, Challoner Street
Date
26 Aug 2011
Current
Potential
57
58
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
26 Aug 2011
57
58
Total Floor Area
61 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
3.6
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 5 Challoner Mansions Challoner Street
Date
22 May 2022
Current
Potential
71
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
22 May 2022
71
80
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 5 Challoner Mansions, Challoner Street
Date
10 Jan 2011
Current
Potential
72
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
10 Jan 2011
72
74
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 7, Challoner Mansions
Date
20 Sep 2022
Current
Potential
66
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
20 Sep 2022
66
78
Total Floor Area
64 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 7 Challoner Mansions, Challoner Street
Date
23 Jul 2012
Current
Potential
66
79
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
1900-1929
Certificate History
23 Jul 2012
66
79
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 8, Challoner Mansions
Date
19 Oct 2021
Current
Potential
68
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
19 Oct 2021
68
78
Total Floor Area
72 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 8 Challoner Mansions, Challoner Street
Date
16 Aug 2010
Current
Potential
65
67
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
16 Aug 2010
65
67
Total Floor Area
72 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 9 Challoner Mansions, Challoner Street
Date
27 Aug 2020
Current
Potential
52
68
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
27 Aug 2020
52
68
30 Oct 2009
63
69
Total Floor Area
57 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
66
Mains Gas Available
Yes
Habitable Rooms
3
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.
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