PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Lon Y Dderwen, CONWY, LL32 8AR

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 Lon Y Dderwen, LL32 8AR 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 Lon Y Dderwen, CONWY, LL32 8AR
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
87
87
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Jul 2019
87
87
Total Floor Area
63 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
12
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
10 Lon y Dderwen
Date
20 Aug 2019
Current
Potential
90
92
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
20 Aug 2019
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
11 Lon y Dderwen
Date
9 Jan 2020
Current
Potential
90
92
Property Type
Bungalow
Built Form
Detached
Constructed
N/A
+
Certificate History
9 Jan 2020
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
12 Lon y Dderwen
Date
16 Sep 2019
Current
Potential
93
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
16 Sep 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
13 Lon y Dderwen
Date
16 Sep 2019
Current
Potential
93
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
16 Sep 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
14 Lon y Dderwen
Date
16 Sep 2019
Current
Potential
93
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
16 Sep 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
15 Lon y Dderwen
Date
16 Sep 2019
Current
Potential
93
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
16 Sep 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
16 Lon y Dderwen
Date
9 Jan 2020
Current
Potential
90
91
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
9 Jan 2020
90
91
Total Floor Area
113 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
10
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
17 Lon y Dderwen
Date
4 Mar 2020
Current
Potential
90
92
Property Type
Bungalow
Built Form
Detached
Constructed
N/A
+
Certificate History
4 Mar 2020
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
10
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
18 Lon y Dderwen
Date
3 Aug 2020
Current
Potential
90
92
Property Type
Bungalow
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Aug 2020
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
19 Lon y Dderwen
Date
15 Sep 2020
Current
Potential
90
92
Property Type
Bungalow
Built Form
Detached
Constructed
N/A
+
Certificate History
15 Sep 2020
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
2 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
88
88
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Jul 2019
88
88
Total Floor Area
63 sq m
Current CO2 Emissions Level
0.7
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
11
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
20 Lon y Dderwen
Date
31 Aug 2020
Current
Potential
90
92
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
31 Aug 2020
90
92
Total Floor Area
113 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
21 Lon y Dderwen
Date
15 Sep 2020
Current
Potential
90
92
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
15 Sep 2020
90
92
Total Floor Area
140 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
22 L+¦n y Dderwen
Date
22 Oct 2020
Current
Potential
90
92
Property Type
Bungalow
Built Form
Detached
Constructed
N/A
+
Certificate History
22 Oct 2020
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
23 L+¦n y Dderwen
Date
22 Oct 2020
Current
Potential
90
92
Property Type
Bungalow
Built Form
Detached
Constructed
N/A
+
Certificate History
22 Oct 2020
90
92
Total Floor Area
89 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
24 L+¦n y Dderwen
Date
22 Oct 2020
Current
Potential
90
91
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
22 Oct 2020
90
91
Total Floor Area
113 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
10
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
25 L+¦n y Dderwen
Date
22 Oct 2020
Current
Potential
89
90
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
22 Oct 2020
89
90
Total Floor Area
175 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
10
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
26 Lon y Dderwen
Date
31 Aug 2020
Current
Potential
90
92
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
31 Aug 2020
90
92
Total Floor Area
120 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
27 Lon y Dderwen
Date
22 Jul 2020
Current
Potential
99
100
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
22 Jul 2020
99
100
Total Floor Area
140 sq m
Current CO2 Emissions Level
-0.1
Potential CO2 Emissions Level
-0.2
CO2 per sq m per Year
0
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
28 Lon y Dderwen
Date
22 Jul 2020
Current
Potential
90
91
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
22 Jul 2020
90
91
Total Floor Area
140 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
9
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
29 Lon y Dderwen
Date
15 Sep 2020
Current
Potential
90
91
Property Type
House
Built Form
Detached
Constructed
N/A
+
Certificate History
15 Sep 2020
90
91
Total Floor Area
120 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
10
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
3 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
83
83
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Jul 2019
83
83
Total Floor Area
66 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
16
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
30 Lon y Dderwen
Date
29 Jul 2020
Current
Potential
92
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
29 Jul 2020
92
94
Total Floor Area
87 sq m
Current CO2 Emissions Level
0.6
Potential CO2 Emissions Level
0.4
CO2 per sq m per Year
7
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
31 Lon y Dderwen
Date
29 Jul 2020
Current
Potential
92
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
29 Jul 2020
92
94
Total Floor Area
84 sq m
Current CO2 Emissions Level
0.6
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
7
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
32 Lon y Dderwen
Date
31 Aug 2020
Current
Potential
92
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
31 Aug 2020
92
94
Total Floor Area
85 sq m
Current CO2 Emissions Level
0.5
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
33 Lon y Dderwen
Date
31 Aug 2020
Current
Potential
92
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
31 Aug 2020
92
94
Total Floor Area
85 sq m
Current CO2 Emissions Level
0.5
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
34 L+¦n y Dderwen
Date
29 Mar 2021
Current
Potential
90
91
Property Type
House
Built Form
Detached
Constructed
2021
+
Certificate History
29 Mar 2021
90
91
Total Floor Area
140 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
10
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
35 L+¦n y Dderwen
Date
11 Apr 2021
Current
Potential
92
94
Property Type
House
Built Form
Semi-Detached
Constructed
2021
+
Certificate History
11 Apr 2021
92
94
Total Floor Area
84 sq m
Current CO2 Emissions Level
0.6
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
7
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
36 Lon y Dderwen
Date
5 Feb 2020
Current
Potential
83
83
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
5 Feb 2020
83
83
Total Floor Area
65 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
15
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
37 Lon y Dderwen
Date
5 Feb 2020
Current
Potential
83
83
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
5 Feb 2020
83
83
Total Floor Area
76 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
17
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
38 Lon y Dderwen
Date
5 Feb 2020
Current
Potential
85
95
Property Type
House
Built Form
Mid-Terrace
Constructed
N/A
+
Certificate History
5 Feb 2020
85
95
Total Floor Area
97 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
14
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
39 Lon y Dderwen
Date
5 Feb 2020
Current
Potential
84
94
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
5 Feb 2020
84
94
Total Floor Area
97 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
15
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
4 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
87
87
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Jul 2019
87
87
Total Floor Area
66 sq m
Current CO2 Emissions Level
0.8
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
12
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
40 Lon y Dderwen
Date
3 Dec 2019
Current
Potential
84
92
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
3 Dec 2019
84
92
Total Floor Area
117 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
14
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
41 Lon y Dderwen
Date
3 Dec 2019
Current
Potential
84
92
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
3 Dec 2019
84
92
Total Floor Area
117 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
14
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
42 Lon y Dderwen
Date
9 Nov 2019
Current
Potential
84
94
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
9 Nov 2019
84
94
Total Floor Area
97 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
0.3
CO2 per sq m per Year
15
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
43 Lon y Dderwen
Date
9 Nov 2019
Current
Potential
85
95
Property Type
House
Built Form
Mid-Terrace
Constructed
N/A
+
Certificate History
9 Nov 2019
85
95
Total Floor Area
97 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
14
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
44 Lon y Dderwen
Date
9 Nov 2019
Current
Potential
83
83
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
9 Nov 2019
83
83
Total Floor Area
76 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
16
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
45 Lon y Dderwen
Date
9 Nov 2019
Current
Potential
83
83
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
9 Nov 2019
83
83
Total Floor Area
65 sq m
Current CO2 Emissions Level
1.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
16
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
46 Lon y Dderwen
Date
4 Sep 2019
Current
Potential
93
94
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
4 Sep 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
47 Lon y Dderwen
Date
4 Sep 2019
Current
Potential
94
95
Property Type
House
Built Form
Mid-Terrace
Constructed
N/A
+
Certificate History
4 Sep 2019
94
95
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.3
Potential CO2 Emissions Level
0.1
CO2 per sq m per Year
4
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
48 Lon y Dderwen
Date
4 Sep 2019
Current
Potential
93
95
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
4 Sep 2019
93
95
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
5
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
49 Lon y Dderwen
Date
20 Aug 2019
Current
Potential
93
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
20 Aug 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
5 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
86
86
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Jul 2019
86
86
Total Floor Area
64 sq m
Current CO2 Emissions Level
0.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
13
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
50 Lon y Dderwen
Date
20 Aug 2019
Current
Potential
93
94
Property Type
House
Built Form
Semi-Detached
Constructed
N/A
+
Certificate History
20 Aug 2019
93
94
Total Floor Area
74 sq m
Current CO2 Emissions Level
0.4
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
6
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
6 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
82
82
Property Type
Flat
Built Form
Detached
Constructed
N/A
+
Certificate History
3 Jul 2019
82
82
Total Floor Area
64 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
18
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
7 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
83
95
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
3 Jul 2019
83
95
Total Floor Area
82 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
16
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
8 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
84
96
Property Type
House
Built Form
Mid-Terrace
Constructed
N/A
+
Certificate History
3 Jul 2019
84
96
Total Floor Area
82 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
0.1
CO2 per sq m per Year
14
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
9 Lon y Dderwen
Date
3 Jul 2019
Current
Potential
83
95
Property Type
House
Built Form
End-Terrace
Constructed
N/A
+
Certificate History
3 Jul 2019
83
95
Total Floor Area
82 sq m
Current CO2 Emissions Level
1.3
Potential CO2 Emissions Level
0.2
CO2 per sq m per Year
16
Mains Gas Available
No
Habitable Rooms
0
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.