PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Chilton Green, WELWYN GARDEN CITY, AL7 2LS

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 Chilton Green, AL7 2LS 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 Chilton Green, WELWYN GARDEN CITY, AL7 2LS
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Chilton Green
Date
17 Oct 2022
Current
Potential
74
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
17 Oct 2022
74
77
13 Sep 2022
72
77
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
11 Chilton Green
Date
22 Dec 2009
Current
Potential
77
84
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
22 Dec 2009
77
84
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
12 Chilton Green
Date
22 Feb 2011
Current
Potential
80
85
Property Type
Flat
Built Form
N/A
Constructed
1976-1982
+
Certificate History
22 Feb 2011
80
85
10 Jan 2023
78
79
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
14 Chilton Green
Date
22 Jul 2019
Current
Potential
75
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
22 Jul 2019
75
77
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
15 Chilton Green
Date
25 Oct 2022
Current
Potential
78
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1983-1990
+
Certificate History
25 Oct 2022
78
79
28 Nov 2008
75
83
Total Floor Area
50 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
16 Chilton Green
Date
1 Jul 2024
Current
Potential
79
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
1 Jul 2024
79
81
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
17 Chilton Green
Date
23 Nov 2022
Current
Potential
79
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
23 Nov 2022
79
80
14 Nov 2012
73
79
Total Floor Area
41 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
19 Chilton Green
Date
16 Jul 2024
Current
Potential
80
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
16 Jul 2024
80
80
1 Aug 2016
78
78
Total Floor Area
43 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
20 Chilton Green
Date
6 Nov 2012
Current
Potential
72
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
6 Nov 2012
72
79
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
21 Chilton Green
Date
5 Mar 2023
Current
Potential
78
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
5 Mar 2023
78
79
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
22 Chilton Green
Date
14 Apr 2023
Current
Potential
78
80
Property Type
Flat
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
14 Apr 2023
78
80
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
26
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
24 Chilton Green
Date
11 Jun 2017
Current
Potential
76
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
11 Jun 2017
76
78
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
25 Chilton Green
Date
21 Jun 2023
Current
Potential
77
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
21 Jun 2023
77
79
14 Feb 2013
70
77
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
27 CHILTON GREEN, WELWYN GARDEN CITY
Date
26 Feb 2021
Current
Potential
67
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
26 Feb 2021
67
75
Total Floor Area
46 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
28 Chilton Green
Date
9 Jan 2022
Current
Potential
68
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
9 Jan 2022
68
78
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
29 Chilton Green
Date
14 May 2014
Current
Potential
72
73
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
14 May 2014
72
73
12 Jan 2010
73
81
Total Floor Area
48 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
3 Chilton Green
Date
13 Jan 2009
Current
Potential
72
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
13 Jan 2009
72
80
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
30 Chilton Green
Date
14 Jan 2009
Current
Potential
68
78
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
14 Jan 2009
68
78
Total Floor Area
50 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
31 Chilton Green
Date
28 Nov 2008
Current
Potential
68
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
28 Nov 2008
68
77
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
32 Chilton Green
Date
23 Mar 2020
Current
Potential
67
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
23 Mar 2020
67
77
17 Sep 2009
70
77
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
33 Chilton Green
Date
20 Jul 2015
Current
Potential
59
69
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
20 Jul 2015
59
69
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
34 Chilton Green
Date
7 Jul 2022
Current
Potential
73
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
7 Jul 2022
73
76
Total Floor Area
46 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
36 Chilton Green
Date
15 Jan 2013
Current
Potential
66
77
Property Type
Flat
Built Form
Enclosed End-Terrace
Constructed
1976-1982
+
Certificate History
15 Jan 2013
66
77
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
4 Chilton Green
Date
17 Feb 2009
Current
Potential
68
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
17 Feb 2009
68
76
Total Floor Area
44 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
40 Chilton Green
Date
15 Mar 2010
Current
Potential
75
83
Property Type
Flat
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
15 Mar 2010
75
83
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
5 Chilton Green
Date
3 Sep 2024
Current
Potential
74
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
3 Sep 2024
74
76
29 Mar 2011
71
79
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
6 Chilton Green
Date
14 Feb 2024
Current
Potential
70
72
Property Type
Flat
Built Form
Enclosed End-Terrace
Constructed
1950-1966
+
Certificate History
14 Feb 2024
70
72
7 Jan 2009
69
78
Total Floor Area
46 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
9 Chilton Green
Date
28 Mar 2009
Current
Potential
75
82
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
28 Mar 2009
75
82
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
41
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 2024.