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PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Chalfont Green, LONDON, N9 9RH

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 Chalfont Green, N9 9RH 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 Chalfont Green, LONDON, N9 9RH
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Chalfont Green
Date
27 Apr 2016
Current
Potential
44
75
Property Type
House
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
27 Apr 2016
44
75
Total Floor Area
84 sq m
Current CO2 Emissions Level
6.4
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
76
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
10 Chalfont Green
Date
16 Feb 2016
Current
Potential
63
87
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
16 Feb 2016
63
87
Total Floor Area
86 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
13 Chalfont Green
Date
22 Feb 2022
Current
Potential
65
87
Property Type
House
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
22 Feb 2022
65
87
5 Dec 2016
9
85
Total Floor Area
84 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
16 Chalfont Green
Date
30 Oct 2014
Current
Potential
57
84
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
30 Oct 2014
57
84
Total Floor Area
85 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
17 Chalfont Green
Date
1 Jul 2010
Current
Potential
50
63
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
1 Jul 2010
50
63
Total Floor Area
82 sq m
Current CO2 Emissions Level
5.7
Potential CO2 Emissions Level
4.1
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
18 Chalfont Green
Date
5 May 2014
Current
Potential
55
87
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
5 May 2014
55
87
Total Floor Area
84 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
19 Chalfont Green
Date
22 Jul 2010
Current
Potential
57
69
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
22 Jul 2010
57
69
Total Floor Area
82 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
2 Chalfont Green
Date
22 Aug 2022
Current
Potential
71
84
Property Type
House
Built Form
End-Terrace
Constructed
1983-1990
+
Certificate History
22 Aug 2022
71
84
20 Oct 2015
55
81
Total Floor Area
83 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
21 CHALFONT GREEN
Date
4 Jul 2021
Current
Potential
55
78
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
4 Jul 2021
55
78
Total Floor Area
89 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
22 CHALFONT GREEN
Date
6 Jul 2021
Current
Potential
66
86
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
+
Certificate History
6 Jul 2021
66
86
Total Floor Area
96 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
23 Chalfont Green
Date
3 Jan 2024
Current
Potential
61
80
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
3 Jan 2024
61
80
15 Dec 2009
41
48
Total Floor Area
82 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
26 Chalfont Green
Date
21 May 2023
Current
Potential
85
90
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
21 May 2023
85
90
8 May 2022
85
90
3 May 2016
56
84
Total Floor Area
85 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
12
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
27 Chalfont Green
Date
12 Feb 2019
Current
Potential
60
82
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
12 Feb 2019
60
82
Total Floor Area
103 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
28 Chalfont Green
Date
16 Mar 2009
Current
Potential
44
57
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
16 Mar 2009
44
57
Total Floor Area
84 sq m
Current CO2 Emissions Level
5.8
Potential CO2 Emissions Level
4.3
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
7 Chalfont Green
Date
5 Jun 2023
Current
Potential
66
88
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
5 Jun 2023
66
88
Total Floor Area
85 sq m
Current CO2 Emissions Level
3.3
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
8 Chalfont Green
Date
13 Sep 2024
Current
Potential
67
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
13 Sep 2024
67
76
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
9 Chalfont Green
Date
13 May 2013
Current
Potential
56
87
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
13 May 2013
56
87
Total Floor Area
83 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
5
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.