PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Howlands, WELWYN GARDEN CITY, AL7 4HN

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 Howlands, AL7 4HN 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 Howlands, WELWYN GARDEN CITY, AL7 4HN
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
329 Howlands
Date
14 Dec 2016
Current
Potential
55
86
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
14 Dec 2016
55
86
30 Mar 2016
60
87
Total Floor Area
78 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
331 Howlands
Date
5 Sep 2018
Current
Potential
68
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
5 Sep 2018
68
87
11 Feb 2011
69
80
Total Floor Area
90 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
337 Howlands
Date
15 Aug 2023
Current
Potential
69
83
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
15 Aug 2023
69
83
Total Floor Area
88 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
339 Howlands
Date
7 Mar 2020
Current
Potential
68
83
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
7 Mar 2020
68
83
Total Floor Area
89 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
345 Howlands
Date
9 Oct 2008
Current
Potential
75
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
9 Oct 2008
75
79
Total Floor Area
38 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
347 Howlands
Date
28 Feb 2013
Current
Potential
73
78
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
28 Feb 2013
73
78
Total Floor Area
84 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
349 Howlands
Date
11 Jun 2017
Current
Potential
71
75
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
+
Certificate History
11 Jun 2017
71
75
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
355 Howlands
Date
29 Mar 2011
Current
Potential
74
78
Property Type
Flat
Built Form
N/A
Constructed
1950-1966
+
Certificate History
29 Mar 2011
74
78
Total Floor Area
40 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
359 Howlands
Date
3 Dec 2009
Current
Potential
75
75
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
3 Dec 2009
75
75
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
361 Howlands
Date
16 Jun 2009
Current
Potential
69
78
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
16 Jun 2009
69
78
Total Floor Area
89 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
365 Howlands
Date
2 Jun 2016
Current
Potential
71
74
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
+
Certificate History
2 Jun 2016
71
74
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
367 Howlands
Date
30 Jul 2015
Current
Potential
73
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
30 Jul 2015
73
77
Total Floor Area
82 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
369 Howlands
Date
12 Jan 2009
Current
Potential
65
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
12 Jan 2009
65
76
Total Floor Area
39 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
65
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
379 Howlands
Date
14 Feb 2017
Current
Potential
65
81
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
14 Feb 2017
65
81
Total Floor Area
123 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
2
Address
381 Howlands
Date
6 Oct 2011
Current
Potential
62
71
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
6 Oct 2011
62
71
Total Floor Area
82 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Flat 2 Willow House, 373, Howlands
Date
13 Mar 2015
Current
Potential
77
77
Property Type
Flat
Built Form
End-Terrace
Constructed
2007 onwards
+
Certificate History
13 Mar 2015
77
77
Total Floor Area
44 sq m
Current CO2 Emissions Level
1.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
Flat 4 Willow House, 373, Howlands
Date
23 Nov 2016
Current
Potential
77
79
Property Type
Flat
Built Form
Detached
Constructed
1996-2002
+
Certificate History
23 Nov 2016
77
79
13 Sep 2013
80
80
Total Floor Area
56 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
25
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 6 Willow House, 373, Howlands
Date
12 Sep 2019
Current
Potential
86
86
Property Type
Flat
Built Form
End-Terrace
Constructed
2007 onwards
+
Certificate History
12 Sep 2019
86
86
6 Oct 2008
86
87
Total Floor Area
91 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
12
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 7, Willow House
Date
6 Oct 2008
Current
Potential
83
84
Property Type
Flat
Built Form
Detached
Constructed
2007 onwards
+
Certificate History
6 Oct 2008
83
84
Total Floor Area
62 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
23
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Flat 8 Willow House, 373, Howlands
Date
9 Aug 2020
Current
Potential
77
79
Property Type
Flat
Built Form
Detached
Constructed
1996-2002
+
Certificate History
9 Aug 2020
77
79
16 Jun 2010
84
84
Total Floor Area
97 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
26
Mains Gas Available
Yes
Habitable Rooms
3
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.

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