PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Cromwell Avenue, LONDON, W6 9LB
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 Cromwell Avenue, W6 9LB 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 Cromwell Avenue, LONDON, W6 9LB
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
18 MARRYAT COURT, CROMWELL AVENUE
Date
8 Mar 2021
Current
Potential
58
79
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
8 Mar 2021
58
79
Total Floor Area
65 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 1, Marryat Court
Date
26 Jan 2022
Current
Potential
74
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
26 Jan 2022
74
79
Total Floor Area
61 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 1 Marryat Court, Cromwell Avenue
Date
2 Feb 2012
Current
Potential
54
61
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
2 Feb 2012
54
61
Total Floor Area
65 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 10 Marryat Court, Cromwell Avenue
Date
31 Jul 2013
Current
Potential
64
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
31 Jul 2013
64
79
29 Nov 2010
65
70
Total Floor Area
67 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 13 Marryat Court, Cromwell Avenue
Date
16 Aug 2017
Current
Potential
70
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
16 Aug 2017
70
81
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
FLAT 15, MARRYAT COURT
Date
22 Jul 2021
Current
Potential
71
81
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
22 Jul 2021
71
81
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 15 Marryat Court, Cromwell Avenue
Date
27 Mar 2009
Current
Potential
63
70
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
Certificate History
27 Mar 2009
63
70
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 16, Marryat Court
Date
27 Apr 2022
Current
Potential
70
80
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
27 Apr 2022
70
80
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 16 Marryat Court, Cromwell Avenue
Date
18 Feb 2015
Current
Potential
30
80
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
18 Feb 2015
30
80
Total Floor Area
67 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
72
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 18 Marryat Court, Cromwell Avenue
Date
7 Sep 2010
Current
Potential
44
57
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
7 Sep 2010
44
57
Total Floor Area
63 sq m
Current CO2 Emissions Level
5.4
Potential CO2 Emissions Level
4.1
CO2 per sq m per Year
87
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 19 Marryat Court, Cromwell Avenue
Date
19 Dec 2014
Current
Potential
67
72
Property Type
Flat
Built Form
Detached
Constructed
1976-1982
Certificate History
19 Dec 2014
67
72
13 Aug 2012
52
69
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 2 Marryat Court, Cromwell Avenue
Date
27 Apr 2010
Current
Potential
47
64
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
27 Apr 2010
47
64
Total Floor Area
59 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
83
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 20 Marryat Court, Cromwell Avenue
Date
6 Feb 2020
Current
Potential
68
68
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
6 Feb 2020
68
68
20 Jan 2010
71
74
Total Floor Area
45 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 21 Marryat Court, Cromwell Avenue
Date
24 Mar 2019
Current
Potential
68
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
24 Mar 2019
68
77
Total Floor Area
43 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 22, Marryat Court
Date
20 Nov 2023
Current
Potential
61
66
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
20 Nov 2023
61
66
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 24, Marryat Court
Date
20 Nov 2023
Current
Potential
62
66
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
20 Nov 2023
62
66
20 Nov 2023
62
66
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 25 Marryat Court, Cromwell Avenue
Date
3 Mar 2019
Current
Potential
65
77
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
Certificate History
3 Mar 2019
65
77
3 Jul 2013
64
76
Total Floor Area
43 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 26, Marryat Court
Date
20 Nov 2023
Current
Potential
62
66
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
20 Nov 2023
62
66
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 3 Marryat Court, Cromwell Avenue
Date
6 Feb 2018
Current
Potential
67
78
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
6 Feb 2018
67
78
Total Floor Area
64 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
Flat 4 Marryat Court, Cromwell Avenue
Date
6 Sep 2017
Current
Potential
73
81
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
6 Sep 2017
73
81
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 6 Marryat Court, Cromwell Avenue
Date
4 Dec 2019
Current
Potential
65
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
4 Dec 2019
65
77
22 Oct 2008
48
64
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 9 Marryat Court, Cromwell Avenue
Date
11 Aug 2020
Current
Potential
77
82
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
11 Aug 2020
77
82
23 Oct 2009
54
68
Total Floor Area
58 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
25
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.
Contains public sector information licensed under the Open Government Licence v3.0.
Contains Royal Mail data © Royal Mail copyright and Database right 2025.