PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Heol Y Gwartheg, SWANSEA, SA4 3GN

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 Heol Y Gwartheg, SA4 3GN 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 Heol Y Gwartheg, SWANSEA, SA4 3GN
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
10 Heol y Gwartheg, Gowerton
Date
14 Oct 2009
Current
Potential
79
81
Property Type
House
Built Form
End-Terrace
Constructed
2003-2006
+
Certificate History
14 Oct 2009
79
81
Total Floor Area
115 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
11 Heol y Gwartheg, Gowerton
Date
29 Mar 2010
Current
Potential
80
82
Property Type
House
Built Form
Mid-Terrace
Constructed
2003-2006
+
Certificate History
29 Mar 2010
80
82
Total Floor Area
54 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
11 HEOL Y GWARTHEG, GOWERTON
Date
16 Oct 2020
Current
Potential
76
105
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
16 Oct 2020
76
105
Total Floor Area
57 sq m
Current CO2 Emissions Level
0.5
Potential CO2 Emissions Level
-1.6
CO2 per sq m per Year
8
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
12 Heol y Gwartheg, Gowerton
Date
5 Mar 2013
Current
Potential
77
88
Property Type
House
Built Form
Detached
Constructed
2003-2006
+
Certificate History
5 Mar 2013
77
88
Total Floor Area
128 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
14 Heol y Gwartheg, Gowerton
Date
14 Jun 2010
Current
Potential
78
80
Property Type
House
Built Form
Detached
Constructed
2007 onwards
+
Certificate History
14 Jun 2010
78
80
Total Floor Area
121 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
0
Address
15 Heol y Gwartheg, Gowerton
Date
29 Mar 2010
Current
Potential
81
82
Property Type
House
Built Form
Mid-Terrace
Constructed
2003-2006
+
Certificate History
29 Mar 2010
81
82
Total Floor Area
54 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
15 HEOL Y GWARTHEG, GOWERTON
Date
16 Oct 2020
Current
Potential
76
105
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
16 Oct 2020
76
105
Total Floor Area
57 sq m
Current CO2 Emissions Level
0.5
Potential CO2 Emissions Level
-1.6
CO2 per sq m per Year
8
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
16 Heol y Gwartheg, Gowerton
Date
26 Sep 2019
Current
Potential
74
74
Property Type
Flat
Built Form
Detached
Constructed
2003-2006
+
Certificate History
26 Sep 2019
74
74
Total Floor Area
49 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
17 Heol y Gwartheg, Gowerton
Date
21 Mar 2017
Current
Potential
75
91
Property Type
House
Built Form
End-Terrace
Constructed
2007 onwards
+
Certificate History
21 Mar 2017
75
91
Total Floor Area
54 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
19 Heol Y Gwartheg, Gowerton
Date
25 Nov 2022
Current
Potential
73
86
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
25 Nov 2022
73
86
Total Floor Area
85 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
2 Heol Y Gwartheg, Gowerton
Date
8 Jun 2023
Current
Potential
73
85
Property Type
House
Built Form
Semi-Detached
Constructed
1996-2002
+
Certificate History
8 Jun 2023
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
Address
2 Heol y Gwartheg, Gowerton
Date
24 Jul 2013
Current
Potential
72
88
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
24 Jul 2013
72
88
Total Floor Area
88 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
23 Heol y Gwartheg, Gowerton
Date
3 Feb 2016
Current
Potential
73
89
Property Type
House
Built Form
Mid-Terrace
Constructed
2007 onwards
+
Certificate History
3 Feb 2016
73
89
Total Floor Area
115 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
25 Heol y Gwartheg, Gowerton
Date
25 Mar 2018
Current
Potential
73
83
Property Type
House
Built Form
Semi-Detached
Constructed
1996-2002
+
Certificate History
25 Mar 2018
73
83
Total Floor Area
113 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
27 Heol Y Gwartheg, Gowerton
Date
4 May 2023
Current
Potential
76
87
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
4 May 2023
76
87
Total Floor Area
102 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
27 Heol y Gwartheg, Gowerton
Date
25 Jun 2013
Current
Potential
75
87
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
25 Jun 2013
75
87
Total Floor Area
102 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
29 Heol y Gwartheg, Gowerton
Date
12 Sep 2018
Current
Potential
78
89
Property Type
House
Built Form
Mid-Terrace
Constructed
2007 onwards
+
Certificate History
12 Sep 2018
78
89
Total Floor Area
88 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
0
Address
2a Heol Y Gwartheg, Gowerton
Date
10 Nov 2022
Current
Potential
72
86
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
10 Nov 2022
72
86
Total Floor Area
76 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
2a Heol y Gwartheg, Gowerton
Date
29 Nov 2012
Current
Potential
73
87
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
29 Nov 2012
73
87
Total Floor Area
80 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
33 Heol y Gwartheg, Gowerton
Date
3 Jul 2018
Current
Potential
71
72
Property Type
Flat
Built Form
Detached
Constructed
2003-2006
+
Certificate History
3 Jul 2018
71
72
Total Floor Area
49 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
5 Heol y Gwartheg, Gowerton
Date
9 Jun 2019
Current
Potential
76
89
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
9 Jun 2019
76
89
Total Floor Area
77 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
7 HEOL Y GWARTHEG, GOWERTON
Date
12 Oct 2020
Current
Potential
66
70
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
12 Oct 2020
66
70
Total Floor Area
49 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
9 Heol y Gwartheg, Gowerton
Date
2 Jun 2009
Current
Potential
82
82
Property Type
House
Built Form
Mid-Terrace
Constructed
2003-2006
+
Certificate History
2 Jun 2009
82
82
Total Floor Area
54 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
9 HEOL Y GWARTHEG, GOWERTON
Date
22 Jan 2021
Current
Potential
75
92
Property Type
House
Built Form
Semi-Detached
Constructed
2003-2006
+
Certificate History
22 Jan 2021
75
92
Total Floor Area
53 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
4
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.