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PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Llwyn Onn, CWMBRAN, NP44 2AL

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 Llwyn Onn, NP44 2AL 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 Llwyn Onn, CWMBRAN, NP44 2AL
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
10 Llwyn Onn, Croesyceiliog
Date
5 Jul 2015
Current
Potential
47
83
Property Type
House
Built Form
Detached
Constructed
1950-1966
+
Certificate History
5 Jul 2015
47
83
Total Floor Area
96 sq m
Current CO2 Emissions Level
6.7
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
11 Llwyn Onn, Croesyceiliog
Date
15 Nov 2022
Current
Potential
72
81
Property Type
House
Built Form
Detached
Constructed
1950-1966
+
Certificate History
15 Nov 2022
72
81
25 Feb 2011
59
73
Total Floor Area
160 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
9
Number of Extensions
3
Address
13 Llwyn Onn, Croesyceiliog
Date
8 Oct 2012
Current
Potential
58
84
Property Type
House
Built Form
Detached
Constructed
1976-1982
+
Certificate History
8 Oct 2012
58
84
Total Floor Area
95 sq m
Current CO2 Emissions Level
4.6
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
14 Llwyn Onn, Croesyceiliog
Date
19 Dec 2008
Current
Potential
42
72
Property Type
House
Built Form
Detached
Constructed
1967-1975
+
Certificate History
19 Dec 2008
42
72
Total Floor Area
99 sq m
Current CO2 Emissions Level
7.5
Potential CO2 Emissions Level
3.5
CO2 per sq m per Year
76
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
17 Llwyn Onn, Croesyceiliog
Date
21 Aug 2016
Current
Potential
66
85
Property Type
House
Built Form
Detached
Constructed
1950-1966
+
Certificate History
21 Aug 2016
66
85
Total Floor Area
95 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
3 Llwyn Onn, Croesyceiliog
Date
29 Jul 2020
Current
Potential
63
78
Property Type
House
Built Form
Detached
Constructed
1967-1975
+
Certificate History
29 Jul 2020
63
78
Total Floor Area
100 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
4 Llwyn Onn, Croesyceiliog
Date
18 May 2020
Current
Potential
60
81
Property Type
House
Built Form
Detached
Constructed
1967-1975
+
Certificate History
18 May 2020
60
81
Total Floor Area
82 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
7 Llwyn Onn, Croesyceiliog
Date
28 Apr 2015
Current
Potential
39
79
Property Type
House
Built Form
Detached
Constructed
1967-1975
+
Certificate History
28 Apr 2015
39
79
Total Floor Area
84 sq m
Current CO2 Emissions Level
6.6
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
79
Mains Gas Available
No
Habitable Rooms
5
Number of Extensions
0
Address
CARTREF, LLWYN ONN
Date
7 Nov 2020
Current
Potential
78
85
Property Type
House
Built Form
Detached
Constructed
2007-2011
+
Certificate History
7 Nov 2020
78
85
Total Floor Area
167 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
2
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.