PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
The Firs, ALSTON, CA9 3RW

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 The Firs, CA9 3RW 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 The Firs, ALSTON, CA9 3RW
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 The Firs
Date
22 Sep 2014
Current
Potential
67
89
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
22 Sep 2014
67
89
28 Nov 2013
63
84
Total Floor Area
72 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
14 The Firs
Date
23 Sep 2014
Current
Potential
65
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
23 Sep 2014
65
85
Total Floor Area
88 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
16 The Firs
Date
24 May 2023
Current
Potential
72
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
24 May 2023
72
85
Total Floor Area
89 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
17 The Firs
Date
23 Sep 2014
Current
Potential
69
88
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
23 Sep 2014
69
88
Total Floor Area
89 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
18 The Firs
Date
24 Apr 2015
Current
Potential
76
86
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
24 Apr 2015
76
86
12 Jul 2013
72
85
Total Floor Area
134 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
3.6
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
19 The Firs
Date
30 Jul 2015
Current
Potential
66
100
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
30 Jul 2015
66
100
Total Floor Area
83 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
20 The Firs
Date
29 Jan 2019
Current
Potential
69
82
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
29 Jan 2019
69
82
Total Floor Area
86 sq m
Current CO2 Emissions Level
4.6
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
21 The Firs
Date
16 Feb 2024
Current
Potential
65
81
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
16 Feb 2024
65
81
Total Floor Area
90 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
23 THE FIRS, ALSTON
Date
7 May 2021
Current
Potential
71
83
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
7 May 2021
71
83
Total Floor Area
96 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
25 The Firs
Date
15 Aug 2021
Current
Potential
53
85
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
15 Aug 2021
53
85
Total Floor Area
96 sq m
Current CO2 Emissions Level
8.1
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
84
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
26 The Firs
Date
7 Mar 2022
Current
Potential
73
86
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
7 Mar 2022
73
86
Total Floor Area
83 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
27 The Firs
Date
30 May 2012
Current
Potential
63
77
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
30 May 2012
63
77
Total Floor Area
87 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
29 The Firs
Date
16 Jun 2023
Current
Potential
72
85
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
16 Jun 2023
72
85
11 Jul 2013
57
73
Total Floor Area
88 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
3 The Firs
Date
6 Sep 2018
Current
Potential
55
82
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
6 Sep 2018
55
82
Total Floor Area
80 sq m
Current CO2 Emissions Level
6.9
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
86
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
31 The Firs
Date
25 Jan 2023
Current
Potential
56
83
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
25 Jan 2023
56
83
26 Nov 2013
47
86
Total Floor Area
72 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
81
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
32 The Firs
Date
18 Sep 2014
Current
Potential
67
87
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
18 Sep 2014
67
87
10 Aug 2011
71
72
Total Floor Area
86 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
33 The Firs
Date
17 Sep 2014
Current
Potential
58
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
17 Sep 2014
58
85
Total Floor Area
87 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
34 THE FIRS
Date
21 Jun 2021
Current
Potential
70
84
Property Type
House
Built Form
Detached
Constructed
1930-1949
+
Certificate History
21 Jun 2021
70
84
Total Floor Area
84 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
37 The Firs
Date
17 Dec 2012
Current
Potential
74
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
17 Dec 2012
74
87
Total Floor Area
112 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
38 The Firs
Date
11 May 2017
Current
Potential
64
107
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
11 May 2017
64
107
Total Floor Area
85 sq m
Current CO2 Emissions Level
5.4
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
39 The Firs
Date
7 Sep 2021
Current
Potential
82
89
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
7 Sep 2021
82
89
2 May 2018
62
85
Total Floor Area
85 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
4 The Firs
Date
4 Mar 2015
Current
Potential
55
96
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
4 Mar 2015
55
96
28 Sep 2014
61
84
Total Floor Area
113 sq m
Current CO2 Emissions Level
8.2
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
73
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
2
Address
40 The Firs
Date
1 Mar 2017
Current
Potential
60
84
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
1 Mar 2017
60
84
18 Sep 2014
68
89
Total Floor Area
94 sq m
Current CO2 Emissions Level
6.5
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
42 The Firs
Date
16 Sep 2014
Current
Potential
62
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
16 Sep 2014
62
87
Total Floor Area
93 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
48 The Firs
Date
1 Oct 2014
Current
Potential
73
91
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
1 Oct 2014
73
91
9 Dec 2009
79
81
Total Floor Area
99 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
49 The Firs
Date
14 May 2016
Current
Potential
72
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
14 May 2016
72
85
Total Floor Area
88 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
5 The Firs
Date
7 May 2014
Current
Potential
57
86
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
7 May 2014
57
86
25 May 2012
66
88
Total Floor Area
84 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
50 The Firs
Date
27 Jan 2015
Current
Potential
68
83
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
27 Jan 2015
68
83
22 Jul 2012
74
86
Total Floor Area
92 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
51 The Firs
Date
7 Mar 2022
Current
Potential
71
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
7 Mar 2022
71
85
Total Floor Area
84 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
53 The Firs
Date
30 Sep 2014
Current
Potential
73
91
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
30 Sep 2014
73
91
23 Jan 2014
76
88
Total Floor Area
99 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
54 The Firs
Date
7 Mar 2022
Current
Potential
75
89
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
7 Mar 2022
75
89
Total Floor Area
84 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
55 The Firs
Date
3 Apr 2018
Current
Potential
69
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
3 Apr 2018
69
87
Total Floor Area
93 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
56 The Firs
Date
1 Oct 2014
Current
Potential
61
90
Property Type
House
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
1 Oct 2014
61
90
Total Floor Area
97 sq m
Current CO2 Emissions Level
4.6
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
57 The Firs
Date
25 Feb 2015
Current
Potential
57
105
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
25 Feb 2015
57
105
Total Floor Area
94 sq m
Current CO2 Emissions Level
6.9
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
73
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
58 The Firs
Date
24 Mar 2015
Current
Potential
62
83
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
24 Mar 2015
62
83
Total Floor Area
130 sq m
Current CO2 Emissions Level
7.5
Potential CO2 Emissions Level
3.9
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
59 The Firs
Date
5 Nov 2021
Current
Potential
73
86
Property Type
House
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
5 Nov 2021
73
86
29 Oct 2010
75
78
Total Floor Area
92 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
60 The Firs
Date
2 Oct 2014
Current
Potential
72
90
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
2 Oct 2014
72
90
Total Floor Area
99 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
61 The Firs
Date
4 Aug 2012
Current
Potential
65
87
Property Type
House
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
4 Aug 2012
65
87
Total Floor Area
91 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
63 The Firs
Date
2 Dec 2022
Current
Potential
72
75
Property Type
House
Built Form
Mid-Terrace
Constructed
1996-2002
+
Certificate History
2 Dec 2022
72
75
17 Nov 2012
75
88
Total Floor Area
91 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
4.7
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
64 The Firs
Date
30 Nov 2016
Current
Potential
72
85
Property Type
House
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
30 Nov 2016
72
85
1 Oct 2014
70
88
Total Floor Area
89 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
66 The Firs
Date
7 Mar 2022
Current
Potential
74
87
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
7 Mar 2022
74
87
Total Floor Area
89 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
67 The Firs
Date
5 Nov 2014
Current
Potential
60
87
Property Type
Bungalow
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
5 Nov 2014
60
87
Total Floor Area
70 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
68 The Firs
Date
7 Mar 2022
Current
Potential
71
88
Property Type
Bungalow
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
7 Mar 2022
71
88
Total Floor Area
57 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
69 The Firs
Date
18 Sep 2014
Current
Potential
62
87
Property Type
Bungalow
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
18 Sep 2014
62
87
18 Mar 2009
56
70
Total Floor Area
66 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
70 The Firs
Date
14 Feb 2014
Current
Potential
72
75
Property Type
Flat
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
14 Feb 2014
72
75
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
71 The Firs
Date
7 Mar 2022
Current
Potential
75
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
7 Mar 2022
75
77
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
72 The Firs
Date
4 Jul 2022
Current
Potential
73
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1976-1982
+
Certificate History
4 Jul 2022
73
76
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
73 The Firs
Date
11 Feb 2015
Current
Potential
69
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
11 Feb 2015
69
77
31 Jan 2015
76
76
6 Nov 2014
74
78
Total Floor Area
62 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
74 The Firs
Date
7 Oct 2008
Current
Potential
65
75
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
7 Oct 2008
65
75
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
75 The Firs
Date
5 Nov 2014
Current
Potential
73
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
5 Nov 2014
73
77
20 May 2013
75
76
Total Floor Area
64 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
8 The Firs
Date
13 Jun 2016
Current
Potential
70
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
13 Jun 2016
70
85
Total Floor Area
87 sq m
Current CO2 Emissions Level
4.3
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
49
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.

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Contains Royal Mail data © Royal Mail copyright and Database right 2025.