PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Long Chaulden, HEMEL HEMPSTEAD, HP1 2NP
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 Long Chaulden, HP1 2NP 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 Long Chaulden, HEMEL HEMPSTEAD, HP1 2NP
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
442 LONG CHAULDEN
Date
25 May 2021
Current
Potential
72
86
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
25 May 2021
72
86
Total Floor Area
78 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
444 Long Chaulden
Date
18 Oct 2011
Current
Potential
66
72
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
18 Oct 2011
66
72
Total Floor Area
80 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
448 Long Chaulden
Date
17 Mar 2023
Current
Potential
68
83
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
17 Mar 2023
68
83
18 Jul 2017
65
83
Total Floor Area
81 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
450 Long Chaulden
Date
16 Oct 2024
Current
Potential
72
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
16 Oct 2024
72
88
20 Oct 2011
69
75
Total Floor Area
73 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
452 Long Chaulden
Date
22 Apr 2011
Current
Potential
58
70
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
22 Apr 2011
58
70
Total Floor Area
81 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
452a Long Chaulden
Date
24 Oct 2016
Current
Potential
85
98
Property Type
House
Built Form
N/A
Constructed
N/A
Certificate History
24 Oct 2016
85
98
Total Floor Area
55 sq m
Current CO2 Emissions Level
0.7
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
461 Long Chaulden
Date
30 Jul 2024
Current
Potential
71
84
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
30 Jul 2024
71
84
20 Oct 2011
67
73
Total Floor Area
91 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
463 LONG CHAULDEN
Date
8 Jun 2021
Current
Potential
67
82
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
8 Jun 2021
67
82
Total Floor Area
100 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
465 Long Chaulden
Date
4 Nov 2021
Current
Potential
57
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
4 Nov 2021
57
85
Total Floor Area
81 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
469 Long Chaulden
Date
26 Jul 2009
Current
Potential
62
73
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
26 Jul 2009
62
73
Total Floor Area
81 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
471 Long Chaulden
Date
19 Oct 2011
Current
Potential
66
72
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
19 Oct 2011
66
72
Total Floor Area
80 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
473 Long Chaulden
Date
14 Jun 2023
Current
Potential
69
73
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
14 Jun 2023
69
73
17 Oct 2011
71
71
Total Floor Area
48 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
475 Long Chaulden
Date
25 Sep 2018
Current
Potential
75
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
25 Sep 2018
75
77
Total Floor Area
66 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
477 Long Chaulden
Date
15 Jun 2009
Current
Potential
60
65
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
15 Jun 2009
60
65
Total Floor Area
67 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
477 LONG CHAULDEN, HEMEL HEMPSTEAD
Date
24 Nov 2020
Current
Potential
62
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
24 Nov 2020
62
76
Total Floor Area
67 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
479 Long Chaulden
Date
12 Feb 2016
Current
Potential
58
77
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
12 Feb 2016
58
77
Total Floor Area
74 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
481 Long Chaulden
Date
16 Sep 2022
Current
Potential
77
79
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
16 Sep 2022
77
79
17 Oct 2011
74
77
Total Floor Area
56 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
483 Long Chaulden
Date
17 Oct 2011
Current
Potential
56
63
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
17 Oct 2011
56
63
15 Jan 2009
72
77
Total Floor Area
57 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
487 Long Chaulden
Date
6 Dec 2016
Current
Potential
77
80
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
6 Dec 2016
77
80
Total Floor Area
68 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
27
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
489 Long Chaulden
Date
23 Dec 2024
Current
Potential
61
75
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
23 Dec 2024
61
75
29 Aug 2023
62
76
19 Oct 2011
57
64
Total Floor Area
66 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
491 Long Chaulden
Date
26 Mar 2024
Current
Potential
65
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
26 Mar 2024
65
77
Total Floor Area
36 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
91
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
493 Long Chaulden
Date
26 Nov 2015
Current
Potential
77
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
26 Nov 2015
77
78
Total Floor Area
53 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
495 Long Chaulden
Date
21 Dec 2015
Current
Potential
50
63
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
21 Dec 2015
50
63
Total Floor Area
55 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
78
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
497 Long Chaulden
Date
30 Sep 2022
Current
Potential
66
72
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
30 Sep 2022
66
72
27 Nov 2009
68
79
Total Floor Area
24 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
67
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
501 Long Chaulden
Date
28 Jun 2015
Current
Potential
62
65
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
28 Jun 2015
62
65
17 Oct 2011
59
65
Total Floor Area
56 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
503 Long Chaulden
Date
15 Jun 2009
Current
Potential
72
75
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
15 Jun 2009
72
75
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
507 Long Chaulden
Date
17 Oct 2011
Current
Potential
56
63
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
17 Oct 2011
56
63
Total Floor Area
67 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
509 Long Chaulden
Date
15 Jun 2009
Current
Potential
76
76
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
15 Jun 2009
76
76
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
511 Long Chaulden
Date
10 Jul 2022
Current
Potential
74
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
Certificate History
10 Jul 2022
74
77
23 Mar 2012
80
81
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
52
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
513 Long Chaulden
Date
17 Oct 2011
Current
Potential
56
63
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
17 Oct 2011
56
63
Total Floor Area
67 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
515 Long Chaulden
Date
18 Oct 2011
Current
Potential
68
72
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
18 Oct 2011
68
72
Total Floor Area
47 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
517 Long Chaulden
Date
16 Oct 2024
Current
Potential
75
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
Certificate History
16 Oct 2024
75
79
19 Oct 2011
78
81
17 Dec 2009
82
85
Total Floor Area
42 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
519 Long Chaulden
Date
18 Oct 2011
Current
Potential
63
64
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
18 Oct 2011
63
64
12 Jan 2010
67
68
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
523 LONG CHAULDEN
Date
20 May 2021
Current
Potential
79
80
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
20 May 2021
79
80
Total Floor Area
57 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
24
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
523 Long Chaulden
Date
15 Jun 2009
Current
Potential
81
85
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
15 Jun 2009
81
85
Total Floor Area
54 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
525 Long Chaulden
Date
26 Mar 2024
Current
Potential
65
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
26 Mar 2024
65
76
19 Jul 2016
65
65
Total Floor Area
36 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
529 Long Chaulden
Date
18 Oct 2011
Current
Potential
75
79
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
18 Oct 2011
75
79
Total Floor Area
67 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
531 Long Chaulden
Date
18 Oct 2011
Current
Potential
56
63
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
Certificate History
18 Oct 2011
56
63
Total Floor Area
67 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Bands
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.