Advanced

PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Rhostryfan, CAERNARFON, LL54 7NT

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 LL54 7NT 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 Rhostryfan, CAERNARFON, LL54 7NT
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Llwyn Dyrys, Rhostryfan
Date
16 Jul 2012
Current
Potential
52
84
Property Type
House
Built Form
Semi-Detached
Constructed
2007 onwards
+
Certificate History
16 Jul 2012
52
84
Total Floor Area
101 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
3.5
CO2 per sq m per Year
44
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
1
Address
2 Llwyn Dyrys, Rhostryfan
Date
25 Nov 2021
Current
Potential
63
75
Property Type
House
Built Form
Semi-Detached
Constructed
2007-2011
+
Certificate History
25 Nov 2021
63
75
8 Dec 2011
63
63
Total Floor Area
99 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
27
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
1
Address
Annedd Wen, Rhostryfan
Date
7 Sep 2016
Current
Potential
35
80
Property Type
Bungalow
Built Form
Detached
Constructed
1950-1966
+
Certificate History
7 Sep 2016
35
80
Total Floor Area
107 sq m
Current CO2 Emissions Level
8.8
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
82
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
1
Address
Bryn Rhug, Rhostryfan
Date
17 Mar 2015
Current
Potential
41
106
Property Type
House
Built Form
Detached
Constructed
before 1900
+
Certificate History
17 Mar 2015
41
106
17 Mar 2015
41
106
3 Jun 2013
38
81
Total Floor Area
88 sq m
Current CO2 Emissions Level
7.3
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
83
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
0
Address
Cil Llidiart, Rhostryfan
Date
16 Aug 2016
Current
Potential
34
79
Property Type
Bungalow
Built Form
Detached
Constructed
before 1900
+
Certificate History
16 Aug 2016
34
79
Total Floor Area
122 sq m
Current CO2 Emissions Level
9.9
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
81
Mains Gas Available
No
Habitable Rooms
8
Number of Extensions
1
Address
Cynefin, Rhostryfan
Date
9 Apr 2017
Current
Potential
42
58
Property Type
Bungalow
Built Form
Detached
Constructed
1976-1982
+
Certificate History
9 Apr 2017
42
58
12 Nov 2008
15
30
Total Floor Area
157 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
3.6
CO2 per sq m per Year
35
Mains Gas Available
No
Habitable Rooms
8
Number of Extensions
1
Address
Fron Dirion, Rhostryfan
Date
20 Sep 2016
Current
Potential
14
87
Property Type
House
Built Form
Detached
Constructed
before 1900
+
Certificate History
20 Sep 2016
14
87
Total Floor Area
125 sq m
Current CO2 Emissions Level
15.0
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
121
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
1
Address
Garreg Lwyd, Rhostryfan
Date
20 May 2018
Current
Potential
29
67
Property Type
Bungalow
Built Form
Detached
Constructed
before 1900
+
Certificate History
20 May 2018
29
67
Total Floor Area
69 sq m
Current CO2 Emissions Level
7.3
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
106
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
1
Address
Isallt, Rhostryfan
Date
17 Jan 2019
Current
Potential
75
87
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
17 Jan 2019
75
87
Total Floor Area
97 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
0.5
CO2 per sq m per Year
17
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
Pen Y Gwylwyr, Rhostryfan
Date
6 Aug 2024
Current
Potential
29
60
Property Type
Bungalow
Built Form
Detached
Constructed
before 1900
+
Certificate History
6 Aug 2024
29
60
Total Floor Area
155 sq m
Current CO2 Emissions Level
13.0
Potential CO2 Emissions Level
7.3
CO2 per sq m per Year
84
Mains Gas Available
No
Habitable Rooms
7
Number of Extensions
1
Address
Perthi, Rhostryfan
Date
16 Aug 2011
Current
Potential
40
48
Property Type
Bungalow
Built Form
Detached
Constructed
before 1900
+
Certificate History
16 Aug 2011
40
48
Total Floor Area
77 sq m
Current CO2 Emissions Level
7.8
Potential CO2 Emissions Level
6.9
CO2 per sq m per Year
90
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
4
Address
Swn Y Nant, Rhostryfan
Date
25 Jan 2024
Current
Potential
65
81
Property Type
Bungalow
Built Form
Detached
Constructed
1996-2002
+
Certificate History
25 Jan 2024
65
81
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
50
Mains Gas Available
No
Habitable Rooms
7
Number of Extensions
0
Address
Tanrallt, Rhostryfan
Date
6 Jul 2022
Current
Potential
44
79
Property Type
House
Built Form
Detached
Constructed
before 1900
+
Certificate History
6 Jul 2022
44
79
13 Dec 2018
74
85
4 Jun 2014
37
75
Total Floor Area
173 sq m
Current CO2 Emissions Level
11.0
Potential CO2 Emissions Level
4.2
CO2 per sq m per Year
62
Mains Gas Available
No
Habitable Rooms
10
Number of Extensions
0
Address
Ty Maen Cottage, Rhostryfan
Date
18 Oct 2008
Current
Potential
31
41
Property Type
Bungalow
Built Form
Detached
Constructed
before 1900
+
Certificate History
18 Oct 2008
31
41
Total Floor Area
218 sq m
Current CO2 Emissions Level
14.0
Potential CO2 Emissions Level
12.0
CO2 per sq m per Year
85
Mains Gas Available
No
Habitable Rooms
7
Number of Extensions
2
Address
Ty'n Ceunant, Rhostryfan
Date
2 Oct 2008
Current
Potential
23
42
Property Type
Bungalow
Built Form
Detached
Constructed
before 1900
+
Certificate History
2 Oct 2008
23
42
Total Floor Area
85 sq m
Current CO2 Emissions Level
11.0
Potential CO2 Emissions Level
7.9
CO2 per sq m per Year
134
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
1
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.