PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Boundary Road, LONDON, SW19 2AX

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 Boundary Road, SW19 2AX 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 Boundary Road, LONDON, SW19 2AX
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
100 Boundary Road
Date
22 Feb 2022
Current
Potential
71
79
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
22 Feb 2022
71
79
13 Mar 2009
67
73
Total Floor Area
61 sq m
Current CO2 Emissions Level
2.1
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
102 Boundary Road
Date
22 Jan 2025
Current
Potential
61
66
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
22 Jan 2025
61
66
7 Nov 2009
75
76
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
3.0
CO2 per sq m per Year
48
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
110 Boundary Road
Date
15 Dec 2016
Current
Potential
74
80
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
15 Dec 2016
74
80
16 Feb 2016
28
80
Total Floor Area
62 sq m
Current CO2 Emissions Level
1.8
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
29
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
112 Boundary Road
Date
8 May 2024
Current
Potential
67
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
8 May 2024
67
78
30 Nov 2010
64
71
Total Floor Area
64 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
114 Boundary Road
Date
12 Apr 2017
Current
Potential
70
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
12 Apr 2017
70
77
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
114 BOUNDARY ROAD, COLLIERS WOOD
Date
17 Sep 2020
Current
Potential
72
77
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
17 Sep 2020
72
77
Total Floor Area
66 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
31
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
116 Boundary Road
Date
24 Mar 2022
Current
Potential
66
74
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
24 Mar 2022
66
74
8 Oct 2013
64
74
Total Floor Area
66 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
120 Boundary Road
Date
15 Mar 2023
Current
Potential
65
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
15 Mar 2023
65
78
18 Mar 2013
57
68
Total Floor Area
35 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
122 Boundary Road
Date
20 Jun 2011
Current
Potential
65
70
Property Type
Flat
Built Form
Mid-Terrace
Constructed
before 1900
+
Certificate History
20 Jun 2011
65
70
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
124 Boundary Road
Date
24 Jul 2022
Current
Potential
70
90
Property Type
House
Built Form
Mid-Terrace
Constructed
1950-1966
+
Certificate History
24 Jul 2022
70
90
23 Jul 2010
73
77
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.0
Potential CO2 Emissions Level
0.4
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
126 Boundary Road
Date
17 Nov 2022
Current
Potential
71
79
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
17 Nov 2022
71
79
Total Floor Area
67 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
128 Boundary Road
Date
2 Nov 2018
Current
Potential
59
66
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
2 Nov 2018
59
66
Total Floor Area
64 sq m
Current CO2 Emissions Level
3.4
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
130 Boundary Road
Date
30 Aug 2021
Current
Potential
71
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
30 Aug 2021
71
78
Total Floor Area
62 sq m
Current CO2 Emissions Level
2.1
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
132 Boundary Road
Date
21 Nov 2016
Current
Potential
64
72
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
21 Nov 2016
64
72
Total Floor Area
45 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
1
Address
132a Boundary Road
Date
17 Oct 2023
Current
Potential
75
77
Property Type
Flat
Built Form
Enclosed Mid-Terrace
Constructed
1930-1949
+
Certificate History
17 Oct 2023
75
77
10 Jul 2019
64
67
27 Apr 2009
46
60
26 Apr 2009
35
55
Total Floor Area
63 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
134 Boundary Road
Date
4 May 2016
Current
Potential
44
86
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
4 May 2016
44
86
Total Floor Area
85 sq m
Current CO2 Emissions Level
5.9
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
138 Boundary Road
Date
10 Aug 2017
Current
Potential
66
81
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
10 Aug 2017
66
81
Total Floor Area
116 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
142a Boundary Road
Date
17 Jun 2013
Current
Potential
69
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
17 Jun 2013
69
75
Total Floor Area
45 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
0
Address
142b Boundary Road
Date
26 Mar 2015
Current
Potential
69
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
26 Mar 2015
69
74
14 Nov 2013
69
79
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
144 Boundary Road
Date
8 Oct 2022
Current
Potential
62
84
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
8 Oct 2022
62
84
Total Floor Area
118 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
148 Boundary Road
Date
28 Jul 2010
Current
Potential
57
69
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
28 Jul 2010
57
69
Total Floor Area
83 sq m
Current CO2 Emissions Level
4.8
Potential CO2 Emissions Level
3.4
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
152 Boundary Road
Date
19 Aug 2014
Current
Potential
69
88
Property Type
House
Built Form
Mid-Terrace
Constructed
before 1900
+
Certificate History
19 Aug 2014
69
88
Total Floor Area
80 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
0.9
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
154 Boundary Road
Date
30 Nov 2013
Current
Potential
39
80
Property Type
House
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
30 Nov 2013
39
80
Total Floor Area
84 sq m
Current CO2 Emissions Level
6.5
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
78
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
154 BOUNDARY ROAD, COLLIERS WOOD
Date
16 Sep 2020
Current
Potential
66
86
Property Type
House
Built Form
End-Terrace
Constructed
1930-1949
+
Certificate History
16 Sep 2020
66
86
Total Floor Area
87 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
156 Boundary Road
Date
13 Mar 2012
Current
Potential
56
61
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
13 Mar 2012
56
61
6 Apr 2022
68
75
Total Floor Area
51 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
65
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
1
Address
164 Boundary Road
Date
22 Mar 2017
Current
Potential
67
87
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
22 Mar 2017
67
87
Total Floor Area
81 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
166 Boundary Road
Date
12 Jul 2023
Current
Potential
60
83
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
12 Jul 2023
60
83
16 Jun 2013
68
84
Total Floor Area
106 sq m
Current CO2 Emissions Level
4.7
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
166B Boundary Road
Date
23 Sep 2010
Current
Potential
67
75
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
23 Sep 2010
67
75
Total Floor Area
37 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
168 Boundary Road
Date
17 May 2022
Current
Potential
72
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
17 May 2022
72
85
12 Jan 2012
70
70
Total Floor Area
107 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
28
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
0
Address
170 Boundary Road
Date
21 Sep 2010
Current
Potential
45
54
Property Type
House
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
21 Sep 2010
45
54
Total Floor Area
81 sq m
Current CO2 Emissions Level
7.1
Potential CO2 Emissions Level
6.0
CO2 per sq m per Year
70
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
170 BOUNDARY ROAD, COLLIERS WOOD
Date
13 Feb 2021
Current
Potential
63
85
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
13 Feb 2021
63
85
Total Floor Area
102 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
172 Boundary Road
Date
7 Feb 2017
Current
Potential
62
80
Property Type
House
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
7 Feb 2017
62
80
Total Floor Area
95 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
82a Boundary Road
Date
23 Nov 2017
Current
Potential
66
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
23 Nov 2017
66
76
Total Floor Area
58 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
42
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
84a Boundary Road
Date
30 Aug 2014
Current
Potential
58
65
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
30 Aug 2014
58
65
15 Nov 2013
55
76
Total Floor Area
58 sq m
Current CO2 Emissions Level
3.3
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
86 BOUNDARY ROAD, COLLIERS WOOD
Date
20 Oct 2020
Current
Potential
60
69
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
20 Oct 2020
60
69
Total Floor Area
53 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
56
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
86a Boundary Road
Date
7 Nov 2017
Current
Potential
70
75
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
7 Nov 2017
70
75
6 Dec 2010
66
76
14 Jan 2009
70
78
Total Floor Area
76 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
88 Boundary Road, Colliers Wood
Date
17 May 2022
Current
Potential
69
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
17 May 2022
69
77
Total Floor Area
55 sq m
Current CO2 Emissions Level
2.1
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
88a Boundary Road
Date
21 Aug 2024
Current
Potential
60
65
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
21 Aug 2024
60
65
3 Jun 2011
63
67
Total Floor Area
58 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.6
CO2 per sq m per Year
53
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
90 Boundary Road
Date
1 Apr 2012
Current
Potential
67
79
Property Type
Flat
Built Form
End-Terrace
Constructed
before 1900
+
Certificate History
1 Apr 2012
67
79
Total Floor Area
51 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.1
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
90a Boundary Road
Date
7 Mar 2018
Current
Potential
64
77
Property Type
Flat
Built Form
End-Terrace
Constructed
before 1900
+
Certificate History
7 Mar 2018
64
77
Total Floor Area
57 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
92 Boundary Road
Date
24 Sep 2023
Current
Potential
67
76
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
24 Sep 2023
67
76
4 Jul 2011
50
61
Total Floor Area
56 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
94 Boundary Road
Date
11 May 2013
Current
Potential
63
77
Property Type
Maisonette
Built Form
End-Terrace
Constructed
before 1900
+
Certificate History
11 May 2013
63
77
Total Floor Area
63 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
98 Boundary Road
Date
12 Jul 2018
Current
Potential
70
78
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
12 Jul 2018
70
78
11 Jan 2010
69
75
Total Floor Area
53 sq m
Current CO2 Emissions Level
2.0
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
Flat A, 166, Boundary Road
Date
2 Jul 2010
Current
Potential
15
15
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
2 Jul 2010
15
15
Total Floor Area
37 sq m
Current CO2 Emissions Level
4.2
Potential CO2 Emissions Level
4.2
CO2 per sq m per Year
113
Mains Gas Available
Yes
Habitable Rooms
2
Number of Extensions
1
Address
Ground Floor Flat, 174 Boundary Road
Date
10 Sep 2019
Current
Potential
56
76
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
10 Sep 2019
56
76
Total Floor Area
48 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Ground Floor Flat, 88 Boundary Road
Date
8 Dec 2011
Current
Potential
64
68
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
8 Dec 2011
64
68
Total Floor Area
51 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
GROUND FLOOR FLAT 82 BOUNDARY ROAD, COLLIERS WOOD
Date
23 May 2021
Current
Potential
66
76
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
+
Certificate History
23 May 2021
66
76
Total Floor Area
49 sq m
Current CO2 Emissions Level
2.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
44
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Top Floor Flat, 102 Boundary Road
Date
22 Nov 2019
Current
Potential
68
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
22 Nov 2019
68
77
Total Floor Area
59 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
Top Floor Flat, 96 Boundary Road
Date
16 Feb 2018
Current
Potential
69
78
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1900-1929
+
Certificate History
16 Feb 2018
69
78
Total Floor Area
69 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.6
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
2
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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