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PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Costins Walk, BERKHAMSTED, HP4 2WG

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 Costins Walk, HP4 2WG 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 Costins Walk, BERKHAMSTED, HP4 2WG
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Costins Walk
Date
23 Jan 2020
Current
Potential
65
79
Property Type
House
Built Form
End-Terrace
Constructed
1996-2002
+
Certificate History
23 Jan 2020
65
79
23 Jan 2020
65
79
4 Apr 2010
70
75
Total Floor Area
111 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
10 Costins Walk
Date
16 Jan 2025
Current
Potential
73
84
Property Type
House
Built Form
End-Terrace
Constructed
1996-2002
+
Certificate History
16 Jan 2025
73
84
Total Floor Area
103 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
4 Costins Walk
Date
2 Mar 2017
Current
Potential
74
89
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
2 Mar 2017
74
89
12 May 2010
73
78
Total Floor Area
101 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
6 Costins Walk
Date
28 Aug 2023
Current
Potential
74
84
Property Type
House
Built Form
End-Terrace
Constructed
1996-2002
+
Certificate History
28 Aug 2023
74
84
4 Apr 2017
71
85
Total Floor Area
113 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
1
Address
7 Costins Walk
Date
2 Nov 2011
Current
Potential
73
77
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
2 Nov 2011
73
77
6 Apr 2009
73
76
Total Floor Area
101 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
8 Costins Walk
Date
26 Oct 2010
Current
Potential
66
74
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
26 Oct 2010
66
74
Total Floor Area
101 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
8 COSTINS WALK, BERKHAMSTED
Date
6 Apr 2021
Current
Potential
68
82
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
6 Apr 2021
68
82
Total Floor Area
102 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
9 Costins Walk
Date
30 Sep 2009
Current
Potential
76
80
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
30 Sep 2009
76
80
Total Floor Area
107 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
5
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.