PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Hall Barns, WELWYN GARDEN CITY, AL7 2BT

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 Hall Barns, AL7 2BT 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 Hall Barns, WELWYN GARDEN CITY, AL7 2BT
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Hall Barns
Date
9 Aug 2022
Current
Potential
77
89
Property Type
House
Built Form
Enclosed End-Terrace
Constructed
2007-2011
+
Certificate History
9 Aug 2022
77
89
10 Dec 2008
85
85
Total Floor Area
89 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
10 Hall Barns
Date
11 May 2023
Current
Potential
79
79
Property Type
Flat
Built Form
Detached
Constructed
2007-2011
+
Certificate History
11 May 2023
79
79
29 Apr 2013
80
82
Total Floor Area
83 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
11 Hall Barns
Date
11 May 2023
Current
Potential
78
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007-2011
+
Certificate History
11 May 2023
78
78
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
26
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
12 Hall Barns
Date
3 Mar 2016
Current
Potential
80
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007 onwards
+
Certificate History
3 Mar 2016
80
81
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
13 Hall Barns
Date
4 Feb 2020
Current
Potential
79
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
4 Feb 2020
79
79
Total Floor Area
48 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
14 Hall Barns
Date
21 Mar 2016
Current
Potential
77
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007 onwards
+
Certificate History
21 Mar 2016
77
78
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
14 HALL BARNS, WELWYN GARDEN CITY
Date
27 Nov 2020
Current
Potential
79
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
2007-2011
+
Certificate History
27 Nov 2020
79
79
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
15 Hall Barns
Date
8 Jan 2016
Current
Potential
80
80
Property Type
Flat
Built Form
End-Terrace
Constructed
2007 onwards
+
Certificate History
8 Jan 2016
80
80
Total Floor Area
70 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
20
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
16 Hall Barns
Date
21 May 2023
Current
Potential
80
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007-2011
+
Certificate History
21 May 2023
80
80
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
17 Hall Barns
Date
11 May 2023
Current
Potential
82
82
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007-2011
+
Certificate History
11 May 2023
82
82
Total Floor Area
70 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
18
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
18 Hall Barns
Date
21 May 2023
Current
Potential
80
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007-2011
+
Certificate History
21 May 2023
80
80
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
19 Hall Barns
Date
20 Jul 2021
Current
Potential
79
79
Property Type
Flat
Built Form
Detached
Constructed
2007-2011
+
Certificate History
20 Jul 2021
79
79
Total Floor Area
70 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
2 Hall Barns
Date
10 Dec 2008
Current
Potential
83
84
Property Type
House
Built Form
Mid-Terrace
Constructed
N/A
+
Certificate History
10 Dec 2008
83
84
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
0
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
2 HALL BARNS WELWYN GARDEN CITY
Date
30 May 2023
Current
Potential
75
86
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
30 May 2023
75
86
Total Floor Area
90 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
20 Hall Barns
Date
26 Jan 2022
Current
Potential
80
80
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
2007-2011
+
Certificate History
26 Jan 2022
80
80
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
21 Hall Barns
Date
8 Jul 2014
Current
Potential
81
81
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
2007 onwards
+
Certificate History
8 Jul 2014
81
81
Total Floor Area
46 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
20
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
22 HALL BARNS WELWYN GARDEN CITY
Date
11 May 2023
Current
Potential
78
78
Property Type
Flat
Built Form
End-Terrace
Constructed
2007-2011
+
Certificate History
11 May 2023
78
78
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
23 HALL BARNS WELWYN GARDEN CITY
Date
11 May 2023
Current
Potential
79
79
Property Type
Flat
Built Form
End-Terrace
Constructed
2007-2011
+
Certificate History
11 May 2023
79
79
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
24 Hall Barns
Date
22 Feb 2023
Current
Potential
81
81
Property Type
Flat
Built Form
Detached
Constructed
2007-2011
+
Certificate History
22 Feb 2023
81
81
Total Floor Area
72 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
19
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
25 Hall Barns
Date
18 May 2020
Current
Potential
81
81
Property Type
Flat
Built Form
Detached
Constructed
2007 onwards
+
Certificate History
18 May 2020
81
81
Total Floor Area
72 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
19
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
26 Hall Barns
Date
3 Mar 2017
Current
Potential
76
89
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
2007 onwards
+
Certificate History
3 Mar 2017
76
89
Total Floor Area
68 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
27 Hall Barns
Date
30 May 2023
Current
Potential
75
86
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
30 May 2023
75
86
Total Floor Area
90 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
3 Hall Barns
Date
10 Dec 2008
Current
Potential
83
84
Property Type
House
Built Form
Mid-Terrace
Constructed
N/A
+
Certificate History
10 Dec 2008
83
84
Total Floor Area
73 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
0
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
3 HALL BARNS WELWYN GARDEN CITY
Date
30 May 2023
Current
Potential
75
86
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
30 May 2023
75
86
Total Floor Area
90 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
4 Hall Barns
Date
22 Jan 2022
Current
Potential
76
89
Property Type
House
Built Form
Mid-Terrace
Constructed
2007-2011
+
Certificate History
22 Jan 2022
76
89
10 Dec 2008
84
84
Total Floor Area
64 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
5 Hall Barns
Date
10 Dec 2008
Current
Potential
84
85
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
10 Dec 2008
84
85
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
0
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
5 HALL BARNS WELWYN GARDEN CITY
Date
30 May 2023
Current
Potential
75
86
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
30 May 2023
75
86
Total Floor Area
90 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
6 Hall Barns
Date
11 May 2023
Current
Potential
78
78
Property Type
Flat
Built Form
End-Terrace
Constructed
2007-2011
+
Certificate History
11 May 2023
78
78
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
7 Hall Barns
Date
11 May 2023
Current
Potential
79
79
Property Type
Flat
Built Form
End-Terrace
Constructed
2007-2011
+
Certificate History
11 May 2023
79
79
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
8 Hall Barns
Date
21 May 2023
Current
Potential
77
77
Property Type
Flat
Built Form
Detached
Constructed
2007-2011
+
Certificate History
21 May 2023
77
77
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
9 Hall Barns
Date
21 May 2023
Current
Potential
81
81
Property Type
Flat
Built Form
Mid-Terrace
Constructed
2007-2011
+
Certificate History
21 May 2023
81
81
Total Floor Area
76 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
18
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.

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Contains Royal Mail data © Royal Mail copyright and Database right 2025.