PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Byron Avenue, MARGATE, CT9 1TX
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 Byron Avenue, CT9 1TX 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 Byron Avenue, MARGATE, CT9 1TX
Period Covered:
2008 - 31 October 2024
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
100 Byron Avenue
Date
15 Jul 2018
Current
Potential
68
87
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
15 Jul 2018
68
87
18 Mar 2010
64
68
Total Floor Area
73 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
101 Byron Avenue
Date
26 Mar 2019
Current
Potential
62
80
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
26 Mar 2019
62
80
24 Jan 2009
36
62
Total Floor Area
78 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
102 Byron Avenue
Date
25 Nov 2022
Current
Potential
67
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
25 Nov 2022
67
85
Total Floor Area
66 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
103 Byron Avenue
Date
8 Nov 2016
Current
Potential
63
78
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
8 Nov 2016
63
78
Total Floor Area
68 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
104 Byron Avenue
Date
14 Aug 2019
Current
Potential
53
75
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
14 Aug 2019
53
75
Total Floor Area
75 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
62
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
106 Byron Avenue
Date
2 May 2024
Current
Potential
59
79
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
2 May 2024
59
79
Total Floor Area
75 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
107 Byron Avenue
Date
2 Sep 2013
Current
Potential
51
83
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
2 Sep 2013
51
83
Total Floor Area
95 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
3
Address
108 Byron Avenue
Date
9 Feb 2022
Current
Potential
68
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
9 Feb 2022
68
88
4 Nov 2011
3
5
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
109 Byron Avenue
Date
6 Mar 2018
Current
Potential
49
74
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
6 Mar 2018
49
74
Total Floor Area
93 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
2
Address
110 Byron Avenue
Date
7 Aug 2017
Current
Potential
46
87
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
7 Aug 2017
46
87
Total Floor Area
72 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
76
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
114 Byron Avenue
Date
25 May 2022
Current
Potential
61
86
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
25 May 2022
61
86
31 Aug 2011
53
53
Total Floor Area
71 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
115 BYRON AVENUE, MARGATE
Date
13 Jan 2021
Current
Potential
58
82
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
13 Jan 2021
58
82
Total Floor Area
69 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
116 Byron Avenue
Date
10 Feb 2015
Current
Potential
67
88
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
10 Feb 2015
67
88
Total Floor Area
99 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
117 Byron Avenue
Date
25 May 2022
Current
Potential
70
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
25 May 2022
70
88
Total Floor Area
67 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
119 Byron Avenue
Date
26 Mar 2023
Current
Potential
65
89
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
26 Mar 2023
65
89
19 Oct 2009
63
64
6 Nov 2008
65
67
Total Floor Area
71 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
120 Byron Avenue
Date
7 Mar 2017
Current
Potential
50
84
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
7 Mar 2017
50
84
Total Floor Area
85 sq m
Current CO2 Emissions Level
5.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
121 Byron Avenue
Date
21 Jun 2009
Current
Potential
68
73
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
21 Jun 2009
68
73
Total Floor Area
86 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
42
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
122 Byron Avenue
Date
6 Aug 2020
Current
Potential
66
89
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
6 Aug 2020
66
89
5 Feb 2009
46
70
Total Floor Area
75 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
124 Byron Avenue
Date
25 Oct 2012
Current
Potential
53
78
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
25 Oct 2012
53
78
Total Floor Area
76 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
126 Byron Avenue
Date
26 Jul 2020
Current
Potential
67
84
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
26 Jul 2020
67
84
24 Mar 2011
68
70
Total Floor Area
75 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
3
Address
127 Byron Avenue
Date
17 Sep 2013
Current
Potential
62
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
17 Sep 2013
62
87
Total Floor Area
72 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
128 Byron Avenue
Date
16 Apr 2023
Current
Potential
66
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
16 Apr 2023
66
88
21 Feb 2013
60
89
Total Floor Area
72 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
129 Byron Avenue
Date
24 Apr 2013
Current
Potential
66
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
24 Apr 2013
66
87
Total Floor Area
85 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
130 Byron Avenue
Date
7 Dec 2021
Current
Potential
69
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
7 Dec 2021
69
88
12 Apr 2011
66
67
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
131 Byron Avenue
Date
5 Aug 2012
Current
Potential
50
89
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
5 Aug 2012
50
89
Total Floor Area
72 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
134 Byron Avenue
Date
17 Feb 2010
Current
Potential
48
49
Property Type
House
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
17 Feb 2010
48
49
Total Floor Area
80 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
5.7
CO2 per sq m per Year
74
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
134 BYRON AVENUE, MARGATE
Date
23 Feb 2021
Current
Potential
55
80
Property Type
House
Built Form
End-Terrace
Constructed
before 1900
Certificate History
23 Feb 2021
55
80
Total Floor Area
75 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
59
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
70 Byron Avenue
Date
16 May 2018
Current
Potential
66
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
16 May 2018
66
87
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
71 Byron Avenue
Date
26 Mar 2020
Current
Potential
53
84
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
26 Mar 2020
53
84
Total Floor Area
84 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
73 Byron Avenue
Date
19 Nov 2021
Current
Potential
64
82
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
Certificate History
19 Nov 2021
64
82
Total Floor Area
69 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
74 Byron Avenue
Date
3 Mar 2020
Current
Potential
68
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
3 Mar 2020
68
88
20 Jun 2010
66
68
Total Floor Area
76 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
75 Byron Avenue
Date
26 Feb 2024
Current
Potential
61
82
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
26 Feb 2024
61
82
7 Nov 2012
68
86
Total Floor Area
77 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
76 Byron Avenue
Date
15 Oct 2015
Current
Potential
56
84
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
15 Oct 2015
56
84
Total Floor Area
78 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
78 Byron Avenue
Date
23 Sep 2010
Current
Potential
52
61
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
23 Sep 2010
52
61
Total Floor Area
75 sq m
Current CO2 Emissions Level
5.3
Potential CO2 Emissions Level
4.4
CO2 per sq m per Year
71
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
78 BYRON AVENUE, MARGATE
Date
19 Nov 2020
Current
Potential
67
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
19 Nov 2020
67
85
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
80 Byron Avenue
Date
25 Oct 2014
Current
Potential
53
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
25 Oct 2014
53
88
Total Floor Area
56 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
81 Byron Avenue
Date
2 Jul 2014
Current
Potential
43
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
2 Jul 2014
43
87
Total Floor Area
74 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
82 Byron Avenue
Date
2 Nov 2018
Current
Potential
54
90
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
2 Nov 2018
54
90
28 Oct 2008
60
71
Total Floor Area
71 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
84 Byron Avenue
Date
15 Nov 2017
Current
Potential
55
83
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
15 Nov 2017
55
83
Total Floor Area
82 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
3
Address
85 Byron Avenue
Date
23 Mar 2023
Current
Potential
64
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
23 Mar 2023
64
85
6 May 2010
62
64
Total Floor Area
69 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
86 BYRON AVENUE
Date
16 Jun 2021
Current
Potential
47
76
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
16 Jun 2021
47
76
Total Floor Area
72 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
73
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
86 Byron Avenue
Date
21 Jul 2009
Current
Potential
54
62
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
21 Jul 2009
54
62
Total Floor Area
75 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
4.0
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
87 Byron Avenue
Date
7 Jan 2019
Current
Potential
72
83
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
7 Jan 2019
72
83
16 Jun 2018
53
83
Total Floor Area
87 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
3
Address
88 Byron Avenue
Date
22 Jul 2020
Current
Potential
55
84
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
22 Jul 2020
55
84
8 Apr 2010
54
68
Total Floor Area
73 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
62
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
92 Byron Avenue
Date
9 Sep 2010
Current
Potential
58
63
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
9 Sep 2010
58
63
Total Floor Area
76 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
3.5
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
94 Byron Avenue
Date
1 Apr 2009
Current
Potential
54
62
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
1 Apr 2009
54
62
Total Floor Area
74 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
4.0
CO2 per sq m per Year
65
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
94 BYRON AVENUE, MARGATE
Date
15 Feb 2021
Current
Potential
63
80
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
15 Feb 2021
63
80
Total Floor Area
78 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
95 Byron Avenue
Date
8 Jun 2023
Current
Potential
73
88
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
Certificate History
8 Jun 2023
73
88
16 May 2011
61
65
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
0.7
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
96 Byron Avenue
Date
2 Sep 2013
Current
Potential
51
87
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
2 Sep 2013
51
87
Total Floor Area
73 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
0.8
CO2 per sq m per Year
62
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
98 Byron Avenue
Date
24 Jun 2011
Current
Potential
68
68
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
24 Jun 2011
68
68
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
99 Byron Avenue
Date
23 Nov 2021
Current
Potential
60
83
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
Certificate History
23 Nov 2021
60
83
Total Floor Area
76 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
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.
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