Advanced

PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Holwell Road, WELWYN GARDEN CITY, AL7 3RQ

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 Holwell Road, AL7 3RQ 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 Holwell Road, WELWYN GARDEN CITY, AL7 3RQ
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
38 Holwell Road
Date
26 Nov 2013
Current
Potential
61
84
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
26 Nov 2013
61
84
31 May 2011
47
68
Total Floor Area
117 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
42 Holwell Road
Date
21 Jun 2024
Current
Potential
70
88
Property Type
House
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
21 Jun 2024
70
88
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
44 Holwell Road
Date
20 Jun 2024
Current
Potential
71
75
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
20 Jun 2024
71
75
23 Jan 2024
71
81
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
46 Holwell Road
Date
30 Sep 2019
Current
Potential
65
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
30 Sep 2019
65
85
Total Floor Area
81 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
48 Holwell Road
Date
24 Jun 2018
Current
Potential
70
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
24 Jun 2018
70
85
Total Floor Area
76 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
50 Holwell Road
Date
18 Jun 2024
Current
Potential
69
86
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
18 Jun 2024
69
86
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
56 Holwell Road
Date
4 Feb 2020
Current
Potential
47
85
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
4 Feb 2020
47
85
16 Apr 2009
56
68
Total Floor Area
83 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
72
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.