PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Byfield, WELWYN GARDEN CITY, AL8 7AL
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 Byfield, AL8 7AL 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 Byfield, WELWYN GARDEN CITY, AL8 7AL
Period Covered:
2008 - 31 October 2024
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Byfield
Date
18 Jul 2023
Current
Potential
75
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
18 Jul 2023
75
85
10 Jun 2011
60
74
Total Floor Area
113 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
10 Byfield
Date
19 Jun 2013
Current
Potential
71
86
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
19 Jun 2013
71
86
Total Floor Area
83 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
11 Byfield
Date
29 May 2017
Current
Potential
73
87
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
29 May 2017
73
87
14 Jan 2014
65
84
23 Jun 2009
42
71
Total Floor Area
89 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
12 Byfield
Date
13 Apr 2022
Current
Potential
71
85
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
13 Apr 2022
71
85
Total Floor Area
88 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
15 Byfield
Date
16 Feb 2014
Current
Potential
44
80
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
16 Feb 2014
44
80
Total Floor Area
86 sq m
Current CO2 Emissions Level
6.0
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
17 BYFIELD, WELWYN GARDEN CITY
Date
2 Nov 2020
Current
Potential
53
71
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
2 Nov 2020
53
71
Total Floor Area
88 sq m
Current CO2 Emissions Level
5.4
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
18 Byfield
Date
27 Mar 2022
Current
Potential
71
87
Property Type
House
Built Form
Semi-Detached
Constructed
1983-1990
Certificate History
27 Mar 2022
71
87
Total Floor Area
88 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
19 Byfield
Date
9 Sep 2018
Current
Potential
66
83
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
9 Sep 2018
66
83
Total Floor Area
84 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
20 Byfield
Date
30 Mar 2009
Current
Potential
61
69
Property Type
House
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
30 Mar 2009
61
69
Total Floor Area
80 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
21 BYFIELD
Date
20 Jul 2021
Current
Potential
60
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
20 Jul 2021
60
85
Total Floor Area
81 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
21 Byfield
Date
10 Feb 2014
Current
Potential
29
59
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
10 Feb 2014
29
59
10 Feb 2014
28
56
Total Floor Area
74 sq m
Current CO2 Emissions Level
7.3
Potential CO2 Emissions Level
3.9
CO2 per sq m per Year
99
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
22 Byfield
Date
1 Nov 2013
Current
Potential
67
89
Property Type
House
Built Form
Detached
Constructed
1950-1966
Certificate History
1 Nov 2013
67
89
Total Floor Area
71 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
23 Byfield
Date
11 Jun 2020
Current
Potential
69
85
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
11 Jun 2020
69
85
14 Nov 2019
67
82
Total Floor Area
69 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
24 Byfield
Date
5 Aug 2020
Current
Potential
59
85
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
5 Aug 2020
59
85
Total Floor Area
88 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
24 BYFIELD, WELWYN GARDEN CITY
Date
29 Nov 2020
Current
Potential
57
84
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
29 Nov 2020
57
84
Total Floor Area
89 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
26 Byfield
Date
14 May 2023
Current
Potential
66
79
Property Type
House
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
14 May 2023
66
79
Total Floor Area
86 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
3 Byfield
Date
16 May 2023
Current
Potential
64
79
Property Type
House
Built Form
Mid-Terrace
Constructed
1967-1975
Certificate History
16 May 2023
64
79
Total Floor Area
111 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
4 BYFIELD, WELWYN GARDEN CITY
Date
12 Jan 2021
Current
Potential
69
86
Property Type
House
Built Form
Mid-Terrace
Constructed
1976-1982
Certificate History
12 Jan 2021
69
86
Total Floor Area
83 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
7 Byfield
Date
1 Aug 2013
Current
Potential
62
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
1 Aug 2013
62
88
Total Floor Area
75 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
9 Byfield
Date
4 Dec 2012
Current
Potential
73
85
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
4 Dec 2012
73
85
Total Floor Area
88 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
5
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 2024.