PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Courtlands, MAIDENHEAD, SL6 2PT

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 Courtlands, SL6 2PT 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 Courtlands, MAIDENHEAD, SL6 2PT
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
1 Berkshire Lodge, Courtlands
Date
28 Jun 2020
Current
Potential
65
74
Property Type
Flat
Built Form
End-Terrace
Constructed
1976-1982
+
Certificate History
28 Jun 2020
65
74
13 May 2009
65
76
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.9
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
1 Buckingham House, Courtlands
Date
23 Jul 2019
Current
Potential
71
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
23 Jul 2019
71
77
11 May 2009
60
70
Total Floor Area
65 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
1 Somerset Lodge, Courtlands
Date
5 Jul 2020
Current
Potential
72
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
5 Jul 2020
72
76
25 Apr 2010
66
78
Total Floor Area
54 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
1 Wiltshire Lodge, Courtlands
Date
26 Sep 2022
Current
Potential
59
70
Property Type
Flat
Built Form
Detached
Constructed
1967-1975
+
Certificate History
26 Sep 2022
59
70
12 Sep 2011
59
70
Total Floor Area
60 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
19 COURTLANDS, MAIDENHEAD
Date
19 Oct 2020
Current
Potential
69
86
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
19 Oct 2020
69
86
Total Floor Area
79 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
2 Berkshire Lodge, Courtlands
Date
14 Dec 2022
Current
Potential
71
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
14 Dec 2022
71
78
Total Floor Area
63 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
2 Buckingham House, Courtlands
Date
22 Nov 2023
Current
Potential
65
78
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
before 1900
+
Certificate History
22 Nov 2023
65
78
20 Dec 2013
65
79
23 Apr 2010
70
76
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.8
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
2 Henley Lodge, Courtlands
Date
29 Sep 2016
Current
Potential
74
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
29 Sep 2016
74
76
Total Floor Area
38 sq m
Current CO2 Emissions Level
1.4
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
2 Somerset Lodge, Courtlands
Date
19 Feb 2024
Current
Potential
67
76
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
+
Certificate History
19 Feb 2024
67
76
14 Jul 2013
69
77
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
2 Wiltshire Lodge, Courtlands
Date
5 May 2014
Current
Potential
53
74
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
+
Certificate History
5 May 2014
53
74
Total Floor Area
59 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
23 Courtlands
Date
16 Sep 2020
Current
Potential
67
83
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
16 Sep 2020
67
83
Total Floor Area
82 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
25 Courtlands
Date
19 Apr 2023
Current
Potential
70
86
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
19 Apr 2023
70
86
Total Floor Area
75 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
3 Berkshire Lodge, Courtlands
Date
23 Jan 2025
Current
Potential
76
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
23 Jan 2025
76
79
8 Feb 2014
64
77
Total Floor Area
61 sq m
Current CO2 Emissions Level
1.7
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
3 Buckingham House, Courtlands
Date
20 Dec 2013
Current
Potential
74
81
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
20 Dec 2013
74
81
10 Sep 2013
72
79
22 May 2011
72
79
Total Floor Area
63 sq m
Current CO2 Emissions Level
1.8
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
3 Henley Lodge, Courtlands
Date
18 Feb 2019
Current
Potential
72
74
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
18 Feb 2019
72
74
19 Dec 2008
65
79
Total Floor Area
38 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
3 Somerset Lodge, Courtlands
Date
14 Jul 2020
Current
Potential
72
78
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
14 Jul 2020
72
78
26 Apr 2009
68
83
Total Floor Area
70 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
3 Wiltshire Lodge, Courtlands
Date
5 Jan 2023
Current
Potential
73
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
5 Jan 2023
73
78
20 Aug 2012
66
76
25 Jan 2010
69
82
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
33 Courtlands
Date
9 Aug 2022
Current
Potential
64
81
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
9 Aug 2022
64
81
Total Floor Area
85 sq m
Current CO2 Emissions Level
3.6
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
37 Courtlands
Date
24 Oct 2019
Current
Potential
69
78
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
24 Oct 2019
69
78
Total Floor Area
114 sq m
Current CO2 Emissions Level
4.5
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
2
Address
39 Courtlands
Date
10 Sep 2014
Current
Potential
61
83
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
10 Sep 2014
61
83
Total Floor Area
76 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
4 Buckingham House, Courtlands
Date
10 Mar 2022
Current
Potential
79
79
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
+
Certificate History
10 Mar 2022
79
79
9 Jun 2010
72
82
Total Floor Area
68 sq m
Current CO2 Emissions Level
1.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
22
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
4 Henley Lodge, Courtlands
Date
31 May 2022
Current
Potential
78
78
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
31 May 2022
78
78
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.1
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
4 Somerset Lodge, Courtlands
Date
5 Jul 2020
Current
Potential
74
79
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
5 Jul 2020
74
79
25 Apr 2010
71
83
Total Floor Area
66 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
4 Wiltshire Lodge, Courtlands
Date
5 Nov 2024
Current
Potential
75
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
5 Nov 2024
75
79
Total Floor Area
61 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
43 Courtlands
Date
11 Nov 2019
Current
Potential
56
85
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
11 Nov 2019
56
85
30 Oct 2008
43
68
Total Floor Area
76 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
45 Courtlands
Date
15 Nov 2021
Current
Potential
63
83
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
15 Nov 2021
63
83
Total Floor Area
112 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
47 Courtlands
Date
10 Apr 2023
Current
Potential
69
81
Property Type
House
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
10 Apr 2023
69
81
10 Jan 2013
73
82
Total Floor Area
102 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
1
Address
49 Courtlands
Date
14 May 2024
Current
Potential
65
79
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
14 May 2024
65
79
21 Apr 2014
51
78
Total Floor Area
76 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
5 Berkshire Lodge, Courtlands
Date
10 Feb 2021
Current
Potential
70
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
10 Feb 2021
70
77
Total Floor Area
59 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
2
Address
5 Buckingham House, Courtlands
Date
26 Mar 2024
Current
Potential
75
75
Property Type
Flat
Built Form
Detached
Constructed
1900-1929
+
Certificate History
26 Mar 2024
75
75
14 Feb 2014
59
64
Total Floor Area
68 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
5 Henley Lodge, Courtlands
Date
20 May 2020
Current
Potential
74
83
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
20 May 2020
74
83
Total Floor Area
39 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
46
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
5 Somerset Lodge, Courtlands
Date
9 Aug 2015
Current
Potential
62
69
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
9 Aug 2015
62
69
30 Mar 2011
26
34
Total Floor Area
63 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
51 Courtlands
Date
15 Jun 2016
Current
Potential
65
84
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
15 Jun 2016
65
84
18 Apr 2010
53
68
Total Floor Area
76 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
55 Courtlands
Date
30 Jan 2019
Current
Potential
67
81
Property Type
House
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
30 Jan 2019
67
81
28 Mar 2015
67
87
27 Oct 2014
59
83
Total Floor Area
79 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
57 Courtlands
Date
1 Jun 2017
Current
Potential
72
87
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
1 Jun 2017
72
87
4 May 2015
51
75
Total Floor Area
77 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
6 Berkshire Lodge, Courtlands
Date
5 Jul 2020
Current
Potential
72
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1967-1975
+
Certificate History
5 Jul 2020
72
77
25 Apr 2010
51
67
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.2
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
6 Buckingham House, Courtlands
Date
12 May 2022
Current
Potential
76
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1900-1929
+
Certificate History
12 May 2022
76
76
1 Oct 2009
41
56
Total Floor Area
68 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
26
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
6 Henley Lodge, Courtlands
Date
19 Jul 2024
Current
Potential
62
78
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
19 Jul 2024
62
78
4 Jul 2014
57
76
20 Oct 2008
41
77
Total Floor Area
40 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
51
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
6 Somerset Lodge, Courtlands
Date
20 Oct 2008
Current
Potential
64
69
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
20 Oct 2008
64
69
Total Floor Area
59 sq m
Current CO2 Emissions Level
3.2
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
6 Wiltshire Lodge, Courtlands
Date
22 Jul 2022
Current
Potential
72
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1967-1975
+
Certificate History
22 Jul 2022
72
76
Total Floor Area
59 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
61 Courtlands
Date
1 Jun 2016
Current
Potential
72
86
Property Type
House
Built Form
Semi-Detached
Constructed
1976-1982
+
Certificate History
1 Jun 2016
72
86
Total Floor Area
76 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
7 Berkshire Lodge, Courtlands
Date
13 Jun 2018
Current
Potential
58
58
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
13 Jun 2018
58
58
4 Mar 2018
62
62
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
7 Henley Lodge, Courtlands
Date
4 Mar 2018
Current
Potential
55
55
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
4 Mar 2018
55
55
Total Floor Area
72 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
44
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
7 Somerset Lodge, Courtlands
Date
13 Jun 2018
Current
Potential
58
58
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
13 Jun 2018
58
58
4 Mar 2018
62
62
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
7 Wiltshire Lodge, Courtlands
Date
13 Jun 2018
Current
Potential
58
58
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
13 Jun 2018
58
58
4 Mar 2018
62
62
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
8 Berkshire Lodge, Courtlands
Date
13 Jun 2018
Current
Potential
58
58
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
13 Jun 2018
58
58
4 Mar 2018
57
57
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
8 Somerset Lodge, Courtlands
Date
13 Jun 2018
Current
Potential
58
58
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
13 Jun 2018
58
58
4 Mar 2018
57
57
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
0
Number of Extensions
0
Address
8 Wiltshire Lodge, Courtlands
Date
13 Jun 2018
Current
Potential
58
58
Property Type
Flat
Built Form
N/A
Constructed
N/A
+
Certificate History
13 Jun 2018
58
58
4 Mar 2018
57
57
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
47
Mains Gas Available
No
Habitable Rooms
0
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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