PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Ivyfield Road, BIRMINGHAM, B23 7HR

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 Ivyfield Road, B23 7HR 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 Ivyfield Road, BIRMINGHAM, B23 7HR
Period Covered: 2008 - 31 October 2024

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
101 Ivyfield Road
Date
13 Mar 2014
Current
Potential
57
68
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
13 Mar 2014
57
68
Total Floor Area
53 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
103 Ivyfield Road
Date
15 Jun 2015
Current
Potential
56
68
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
15 Jun 2015
56
68
22 Feb 2014
38
43
Total Floor Area
54 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
68
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
105 Ivyfield Road
Date
16 May 2023
Current
Potential
72
77
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
16 May 2023
72
77
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
107 Ivyfield Road
Date
5 Apr 2012
Current
Potential
63
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
5 Apr 2012
63
76
Total Floor Area
43 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
109 Ivyfield Road
Date
24 Nov 2017
Current
Potential
64
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
24 Nov 2017
64
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
111 IVYFIELD ROAD
Date
4 Jul 2021
Current
Potential
77
78
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
4 Jul 2021
77
78
Total Floor Area
55 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
111 Ivyfield Road
Date
3 Oct 2011
Current
Potential
53
57
Property Type
Maisonette
Built Form
N/A
Constructed
1967-1975
+
Certificate History
3 Oct 2011
53
57
Total Floor Area
55 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
55
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
113 Ivyfield Road
Date
11 Jul 2013
Current
Potential
65
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
11 Jul 2013
65
74
11 Jul 2013
69
74
23 Feb 2010
74
80
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
115 Ivyfield Road
Date
13 Jul 2013
Current
Potential
60
67
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
13 Jul 2013
60
67
13 Jul 2013
66
68
Total Floor Area
57 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
117 Ivyfield Road
Date
4 Feb 2020
Current
Potential
69
75
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
4 Feb 2020
69
75
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
119 Ivyfield Road
Date
9 Mar 2014
Current
Potential
68
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
9 Mar 2014
68
76
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
121 IVYFIELD ROAD
Date
6 Jun 2021
Current
Potential
74
76
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
6 Jun 2021
74
76
Total Floor Area
55 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
121 Ivyfield Road
Date
22 May 2011
Current
Potential
61
72
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
22 May 2011
61
72
Total Floor Area
49 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
123 Ivyfield Road
Date
3 Sep 2020
Current
Potential
72
74
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
3 Sep 2020
72
74
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
125 Ivyfield Road
Date
15 Jul 2015
Current
Potential
44
56
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
15 Jul 2015
44
56
Total Floor Area
55 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
127 Ivyfield Road
Date
28 Feb 2023
Current
Potential
73
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
28 Feb 2023
73
76
17 Jul 2012
67
75
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
129 Ivyfield Road
Date
6 Jul 2013
Current
Potential
38
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
6 Jul 2013
38
75
6 Jul 2013
28
75
Total Floor Area
54 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
71
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
131 Ivyfield Road
Date
21 Jun 2013
Current
Potential
63
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
21 Jun 2013
63
76
21 Jun 2013
69
75
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
133 Ivyfield Road
Date
12 Jul 2013
Current
Potential
61
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
12 Jul 2013
61
74
12 Jul 2013
65
74
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
135 Ivyfield Road
Date
13 Jul 2013
Current
Potential
60
68
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
13 Jul 2013
60
68
13 Jul 2013
48
67
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
137 Ivyfield Road
Date
12 May 2024
Current
Potential
70
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
12 May 2024
70
74
16 Jun 2014
65
74
16 Jul 2009
59
72
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
139 Ivyfield Road
Date
16 Jun 2014
Current
Potential
67
73
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
16 Jun 2014
67
73
9 Mar 2010
74
78
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
141 Ivyfield Road
Date
12 Jun 2024
Current
Potential
65
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
12 Jun 2024
65
74
23 Aug 2013
64
75
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
143 Ivyfield Road
Date
11 Jun 2024
Current
Potential
23
56
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
11 Jun 2024
23
56
23 Aug 2013
28
72
Total Floor Area
57 sq m
Current CO2 Emissions Level
6.8
Potential CO2 Emissions Level
5.8
CO2 per sq m per Year
118
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
145 Ivyfield Road
Date
27 Aug 2013
Current
Potential
59
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
27 Aug 2013
59
75
Total Floor Area
53 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
147 Ivyfield Road
Date
10 Aug 2023
Current
Potential
52
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
10 Aug 2023
52
79
27 Aug 2013
51
72
Total Floor Area
41 sq m
Current CO2 Emissions Level
3.9
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
95
Mains Gas Available
No
Habitable Rooms
3
Number of Extensions
0
Address
149 Ivyfield Road
Date
3 Sep 2013
Current
Potential
60
71
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
3 Sep 2013
60
71
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
151 Ivyfield Road
Date
11 Sep 2013
Current
Potential
42
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
11 Sep 2013
42
74
8 Feb 2013
43
65
Total Floor Area
57 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
83
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
153 Ivyfield Road
Date
22 Sep 2013
Current
Potential
64
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
22 Sep 2013
64
75
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
155 Ivyfield Road
Date
21 Sep 2013
Current
Potential
61
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
21 Sep 2013
61
74
6 Jul 2011
69
76
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
157 Ivyfield Road
Date
29 Jun 2013
Current
Potential
62
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
29 Jun 2013
62
75
29 Jun 2013
66
75
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
159 Ivyfield Road
Date
21 Jun 2013
Current
Potential
32
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
21 Jun 2013
32
76
21 Jun 2013
40
76
Total Floor Area
59 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
86
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
161 Ivyfield Road
Date
27 Aug 2013
Current
Potential
60
72
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
27 Aug 2013
60
72
24 Sep 2009
65
67
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
163 Ivyfield Road
Date
18 Oct 2023
Current
Potential
65
65
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
18 Oct 2023
65
65
27 Aug 2013
66
73
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.7
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
164 Ivyfield Road
Date
18 Feb 2023
Current
Potential
75
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
18 Feb 2023
75
75
Total Floor Area
55 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
169 Ivyfield Road
Date
4 Jul 2013
Current
Potential
64
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
4 Jul 2013
64
76
4 Jul 2013
68
76
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
171 Ivyfield Road
Date
4 Jul 2013
Current
Potential
57
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
4 Jul 2013
57
75
4 Jul 2013
49
75
Total Floor Area
57 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
173 Ivyfield Road
Date
18 Jul 2024
Current
Potential
67
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
18 Jul 2024
67
74
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
175 Ivyfield Road
Date
1 Oct 2023
Current
Potential
68
84
Property Type
House
Built Form
End-Terrace
Constructed
1991-1995
+
Certificate History
1 Oct 2023
68
84
20 Sep 2013
67
74
Total Floor Area
100 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
177 Ivyfield Road
Date
6 Aug 2013
Current
Potential
41
61
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
6 Aug 2013
41
61
13 Jul 2009
62
67
Total Floor Area
54 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
75
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
179 Ivyfield Road
Date
21 Dec 2023
Current
Potential
73
77
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
21 Dec 2023
73
77
7 Aug 2013
52
76
Total Floor Area
55 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
183 Ivyfield Road
Date
16 Sep 2020
Current
Potential
65
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
16 Sep 2020
65
74
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
185 Ivyfield Road
Date
2 Jul 2013
Current
Potential
65
71
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
2 Jul 2013
65
71
2 Jul 2013
60
71
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
187 Ivyfield Road
Date
1 Dec 2023
Current
Potential
76
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
1 Dec 2023
76
76
5 Jul 2013
62
77
5 Jul 2013
70
77
Total Floor Area
57 sq m
Current CO2 Emissions Level
1.6
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
189 Ivyfield Road
Date
5 Jul 2013
Current
Potential
68
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
5 Jul 2013
68
74
5 Jul 2013
62
74
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
191 Ivyfield Road
Date
5 Jul 2024
Current
Potential
74
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
5 Jul 2024
74
76
15 Aug 2013
74
77
3 Jul 2013
69
74
3 Jul 2013
54
74
11 Mar 2009
69
81
Total Floor Area
57 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
193 Ivyfield Road
Date
23 Jun 2013
Current
Potential
66
75
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
23 Jun 2013
66
75
23 Jun 2013
70
75
23 Jun 2013
66
75
4 Nov 2011
57
69
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
195 Ivyfield Road
Date
4 Jul 2013
Current
Potential
57
74
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
4 Jul 2013
57
74
4 Jul 2013
66
74
Total Floor Area
58 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Bands

A
92 - 100
B
81 - 91
C
69 - 80
D
55 -68
E
39 -54
F
54 -38
G
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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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