PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Isis Close, AYLESBURY, HP21 9LY

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 Isis Close, HP21 9LY 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 Isis Close, AYLESBURY, HP21 9LY
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Isis Close
Date
13 Apr 2017
Current
Potential
73
87
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
13 Apr 2017
73
87
Total Floor Area
73 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
12 Isis Close
Date
1 Apr 2009
Current
Potential
65
75
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
1 Apr 2009
65
75
Total Floor Area
58 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
13 Isis Close
Date
16 Sep 2015
Current
Potential
54
86
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
16 Sep 2015
54
86
23 May 2013
64
88
Total Floor Area
58 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
62
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
15 Isis Close
Date
7 Feb 2012
Current
Potential
66
72
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
7 Feb 2012
66
72
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
17 Isis Close
Date
31 Mar 2016
Current
Potential
66
88
Property Type
House
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
31 Mar 2016
66
88
Total Floor Area
59 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
19 ISIS CLOSE
Date
15 Jun 2021
Current
Potential
65
87
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
15 Jun 2021
65
87
Total Floor Area
60 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
25 Isis Close
Date
4 Mar 2015
Current
Potential
69
88
Property Type
House
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
4 Mar 2015
69
88
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
26 Isis Close
Date
16 Apr 2019
Current
Potential
48
91
Property Type
House
Built Form
Mid-Terrace
Constructed
1991-1995
+
Certificate History
16 Apr 2019
48
91
1 Oct 2017
57
83
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
62
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
27 Isis Close
Date
17 Feb 2010
Current
Potential
71
75
Property Type
House
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
17 Feb 2010
71
75
Total Floor Area
90 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
28 Isis Close
Date
16 Apr 2019
Current
Potential
48
91
Property Type
House
Built Form
Mid-Terrace
Constructed
1991-1995
+
Certificate History
16 Apr 2019
48
91
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
62
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
30 Isis Close
Date
16 Apr 2024
Current
Potential
74
89
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
16 Apr 2024
74
89
1 Oct 2009
59
65
Total Floor Area
64 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
32 Isis Close
Date
26 May 2012
Current
Potential
89
95
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
26 May 2012
89
95
Total Floor Area
68 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
12
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
36 Isis Close
Date
10 Dec 2018
Current
Potential
68
88
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
10 Dec 2018
68
88
29 Jan 2009
63
75
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
4 Isis Close
Date
11 Jul 2016
Current
Potential
51
87
Property Type
House
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
11 Jul 2016
51
87
Total Floor Area
87 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
46 Isis Close
Date
7 May 2017
Current
Potential
65
84
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
7 May 2017
65
84
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
54 Isis Close
Date
10 Apr 2019
Current
Potential
69
86
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
10 Apr 2019
69
86
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
56 Isis Close
Date
11 Feb 2011
Current
Potential
75
77
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
11 Feb 2011
75
77
Total Floor Area
69 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
64 Isis Close
Date
26 Sep 2018
Current
Potential
70
90
Property Type
House
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
26 Sep 2018
70
90
13 Aug 2012
64
87
1 Feb 2012
71
72
Total Floor Area
41 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
0.4
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
66 Isis Close
Date
8 Apr 2018
Current
Potential
66
95
Property Type
House
Built Form
Mid-Terrace
Constructed
1983-1990
+
Certificate History
8 Apr 2018
66
95
Total Floor Area
41 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
77
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
68 Isis Close
Date
5 Aug 2014
Current
Potential
64
93
Property Type
House
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
5 Aug 2014
64
93
Total Floor Area
41 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
0.1
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
7 Isis Close
Date
19 Jun 2023
Current
Potential
66
87
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
19 Jun 2023
66
87
Total Floor Area
69 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
70 Isis Close
Date
12 Jun 2014
Current
Potential
62
91
Property Type
House
Built Form
End-Terrace
Constructed
1983-1990
+
Certificate History
12 Jun 2014
62
91
28 Jun 2009
74
76
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
2
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.
Contains Royal Mail data © Royal Mail copyright and Database right 2025.