PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Portland Avenue, LONDON, N16 6HH

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 Portland Avenue, N16 6HH 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 Portland Avenue, LONDON, N16 6HH
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
FLAT 1, SIDLAW HOUSE
Date
29 Jun 2021
Current
Potential
66
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
29 Jun 2021
66
77
14 Apr 2021
63
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 1 Sidlaw House, Portland Avenue
Date
4 Jan 2010
Current
Potential
56
62
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
4 Jan 2010
56
62
Total Floor Area
51 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
72
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 10 Sidlaw House, Portland Avenue
Date
3 Sep 2009
Current
Potential
70
74
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
3 Sep 2009
70
74
Total Floor Area
50 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 11, Sidlaw House
Date
30 Aug 2022
Current
Potential
76
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
30 Aug 2022
76
81
Total Floor Area
50 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 11 Sidlaw House, Portland Avenue
Date
9 Oct 2019
Current
Potential
73
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
9 Oct 2019
73
81
Total Floor Area
61 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
FLAT 12, SIDLAW HOUSE
Date
30 Jun 2021
Current
Potential
73
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
30 Jun 2021
73
79
Total Floor Area
43 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 12 Sidlaw House, Portland Avenue
Date
31 May 2009
Current
Potential
74
77
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
31 May 2009
74
77
Total Floor Area
40 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
FLAT 13, SIDLAW HOUSE
Date
17 Feb 2021
Current
Potential
70
70
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
1950-1966
+
Certificate History
17 Feb 2021
70
70
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 13 Sidlaw House, Portland Avenue
Date
8 Apr 2009
Current
Potential
73
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
8 Apr 2009
73
81
Total Floor Area
45 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 14 Sidlaw House, Portland Avenue
Date
16 Nov 2010
Current
Potential
68
73
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
16 Nov 2010
68
73
Total Floor Area
66 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 15 Sidlaw House, Portland Avenue
Date
26 Apr 2010
Current
Potential
79
81
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
26 Apr 2010
79
81
Total Floor Area
40 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 16 Sidlaw House, Portland Avenue
Date
23 Feb 2011
Current
Potential
73
77
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
23 Feb 2011
73
77
Total Floor Area
51 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 18 Sidlaw House, Portland Avenue
Date
22 Aug 2019
Current
Potential
76
82
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
22 Aug 2019
76
82
Total Floor Area
61 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
26
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 19 Sidlaw House, Portland Avenue
Date
30 Nov 2016
Current
Potential
71
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
30 Nov 2016
71
81
Total Floor Area
56 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 20, Sidlaw House
Date
24 Jan 2023
Current
Potential
71
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
24 Jan 2023
71
78
Total Floor Area
41 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 20 Sidlaw House, Portland Avenue
Date
26 Sep 2016
Current
Potential
59
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
26 Sep 2016
59
75
Total Floor Area
39 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
65
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 21, Sidlaw House
Date
8 Jun 2022
Current
Potential
66
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
8 Jun 2022
66
78
Total Floor Area
40 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 21 Sidlaw House, Portland Avenue
Date
30 Nov 2009
Current
Potential
76
78
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
30 Nov 2009
76
78
Total Floor Area
42 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 25 Sidlaw House, Portland Avenue
Date
30 Nov 2016
Current
Potential
50
61
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
30 Nov 2016
50
61
Total Floor Area
70 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 27 Sidlaw House, Portland Avenue
Date
4 Aug 2014
Current
Potential
47
57
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
4 Aug 2014
47
57
4 Aug 2014
48
57
Total Floor Area
57 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
74
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 28 Sidlaw House, Portland Avenue
Date
6 Nov 2014
Current
Potential
61
64
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
6 Nov 2014
61
64
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 29 Sidlaw House, Portland Avenue
Date
4 Aug 2014
Current
Potential
45
57
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
4 Aug 2014
45
57
4 Aug 2014
44
57
Total Floor Area
66 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
3.7
CO2 per sq m per Year
74
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 3 Sidlaw House, Portland Avenue
Date
7 Dec 2009
Current
Potential
70
74
Property Type
Flat
Built Form
Detached
Constructed
1930-1949
+
Certificate History
7 Dec 2009
70
74
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 30 Sidlaw House, Portland Avenue
Date
20 Nov 2017
Current
Potential
53
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
20 Nov 2017
53
77
4 Aug 2014
50
59
4 Aug 2014
48
57
2 Feb 2012
62
66
Total Floor Area
68 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 32 Sidlaw House, Portland Avenue
Date
17 Dec 2010
Current
Potential
53
59
Property Type
Maisonette
Built Form
Detached
Constructed
1930-1949
+
Certificate History
17 Dec 2010
53
59
Total Floor Area
47 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
4.3
CO2 per sq m per Year
66
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 34 Sidlaw House, Portland Avenue
Date
9 Jan 2020
Current
Potential
58
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
9 Jan 2020
58
76
Total Floor Area
55 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 35 Sidlaw House, Portland Avenue
Date
3 Sep 2015
Current
Potential
66
68
Property Type
Flat
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
3 Sep 2015
66
68
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 36 Sidlaw House, Portland Avenue
Date
4 Dec 2014
Current
Potential
61
79
Property Type
Flat
Built Form
Enclosed End-Terrace
Constructed
1930-1949
+
Certificate History
4 Dec 2014
61
79
Total Floor Area
69 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 37 Sidlaw House, Portland Avenue
Date
5 Jun 2017
Current
Potential
60
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
5 Jun 2017
60
76
24 Mar 2017
62
77
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 39 Sidlaw House, Portland Avenue
Date
29 Sep 2011
Current
Potential
69
69
Property Type
Flat
Built Form
N/A
Constructed
1930-1949
+
Certificate History
29 Sep 2011
69
69
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 4, Sidlaw House
Date
11 Oct 2021
Current
Potential
71
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
11 Oct 2021
71
77
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 4 Sidlaw House, Portland Avenue
Date
18 Oct 2011
Current
Potential
71
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
18 Oct 2011
71
74
Total Floor Area
38 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 42 Sidlaw House, Portland Avenue
Date
4 Nov 2015
Current
Potential
70
81
Property Type
Flat
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
4 Nov 2015
70
81
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 44, Sidlaw House
Date
5 Nov 2021
Current
Potential
57
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
5 Nov 2021
57
74
5 Nov 2021
54
73
Total Floor Area
74 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 44 Sidlaw House, Portland Avenue
Date
17 Jun 2014
Current
Potential
55
63
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
17 Jun 2014
55
63
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 45, Sidlaw House
Date
27 Jan 2022
Current
Potential
72
80
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
27 Jan 2022
72
80
Total Floor Area
42 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
1
Number of Extensions
0
Address
Flat 47, Sidlaw House
Date
8 Nov 2021
Current
Potential
50
67
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
8 Nov 2021
50
67
Total Floor Area
80 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 47 Sidlaw House, Portland Avenue
Date
4 Aug 2014
Current
Potential
44
57
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
4 Aug 2014
44
57
4 Aug 2014
47
60
Total Floor Area
76 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
4.0
CO2 per sq m per Year
72
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
Flat 5 Sidlaw House, Portland Avenue
Date
21 Jun 2017
Current
Potential
68
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
21 Jun 2017
68
78
21 Jun 2017
68
77
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
FLAT 6, SIDLAW HOUSE
Date
5 Oct 2020
Current
Potential
66
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
5 Oct 2020
66
76
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.8
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
Flat 7, Sidlaw House
Date
5 Nov 2021
Current
Potential
61
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
5 Nov 2021
61
78
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 7 Sidlaw House, Portland Avenue
Date
20 Feb 2012
Current
Potential
61
66
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
+
Certificate History
20 Feb 2012
61
66
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 8, Sidlaw House
Date
8 Nov 2021
Current
Potential
61
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
8 Nov 2021
61
78
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 9, Sidlaw House
Date
13 Mar 2022
Current
Potential
73
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
13 Mar 2022
73
80
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 9 Sidlaw House, Portland Avenue
Date
12 Jan 2012
Current
Potential
63
69
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
12 Jan 2012
63
69
Total Floor Area
49 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Bands

A
92 - 100
B
81 - 91
C
69 - 80
D
55 -68
E
39 -54
F
54 -38
G
0 - 20

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.
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