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PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Bryn Y Derwydd, HAVERFORDWEST, SA62 5AY

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 Bryn Y Derwydd, SA62 5AY 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 Bryn Y Derwydd, HAVERFORDWEST, SA62 5AY
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
10 Bryn y Derwydd, Trefin
Date
6 Jul 2010
Current
Potential
58
61
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
6 Jul 2010
58
61
Total Floor Area
74 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
4.6
CO2 per sq m per Year
66
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
12 Bryn y Derwydd, Trefin
Date
10 May 2009
Current
Potential
63
69
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
10 May 2009
63
69
Total Floor Area
73 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
3.7
CO2 per sq m per Year
57
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
18 Bryn y Derwydd, Trefin
Date
10 May 2013
Current
Potential
73
93
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
10 May 2013
73
93
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
43
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
2 Bryn y Derwydd, Trefin
Date
14 May 2017
Current
Potential
66
112
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
14 May 2017
66
112
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
-0.5
CO2 per sq m per Year
53
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
22 Bryn y Derwydd, Trefin
Date
24 Mar 2017
Current
Potential
28
65
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
24 Mar 2017
28
65
Total Floor Area
71 sq m
Current CO2 Emissions Level
7.6
Potential CO2 Emissions Level
3.6
CO2 per sq m per Year
107
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
23 Bryn y Derwydd, Trefin
Date
25 Jun 2009
Current
Potential
64
69
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
25 Jun 2009
64
69
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
60
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
25 Bryn y Derwydd, Trefin
Date
17 Sep 2018
Current
Potential
64
113
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
17 Sep 2018
64
113
Total Floor Area
62 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
-0.6
CO2 per sq m per Year
53
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
3 Bryn Y Derwydd, Trefin
Date
2 Dec 2022
Current
Potential
83
95
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
2 Dec 2022
83
95
Total Floor Area
64 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
4 Bryn y Derwydd, Trefin
Date
13 Nov 2012
Current
Potential
66
95
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
13 Nov 2012
66
95
Total Floor Area
56 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
58
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
7 Bryn y Derwydd, Trefin
Date
13 Mar 2015
Current
Potential
38
99
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
13 Mar 2015
38
99
14 Mar 2014
58
84
22 Apr 2010
28
40
Total Floor Area
90 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
-1.6
CO2 per sq m per Year
25
Mains Gas Available
No
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.

Contains public sector information licensed under the Open Government Licence v3.0.
Contains Royal Mail data © Royal Mail copyright and Database right 2025.