PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Syon Lane, ISLEWORTH, TW7 5NJ

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 Syon Lane, TW7 5NJ 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 Syon Lane, ISLEWORTH, TW7 5NJ
Period Covered: 2008 - 31 January 2025

Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
102 Syon Lane
Date
24 Jun 2024
Current
Potential
65
86
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
24 Jun 2024
65
86
Total Floor Area
93 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
104 Syon Lane
Date
8 May 2019
Current
Potential
68
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
8 May 2019
68
85
Total Floor Area
109 sq m
Current CO2 Emissions Level
3.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
112 Syon Lane
Date
17 Dec 2014
Current
Potential
56
86
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
17 Dec 2014
56
86
Total Floor Area
102 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
50
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
114 Syon Lane
Date
16 Mar 2010
Current
Potential
40
60
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
16 Mar 2010
40
60
Total Floor Area
86 sq m
Current CO2 Emissions Level
7.2
Potential CO2 Emissions Level
4.7
CO2 per sq m per Year
84
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
116 Syon Lane
Date
19 May 2015
Current
Potential
47
83
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
19 May 2015
47
83
Total Floor Area
91 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
1.4
CO2 per sq m per Year
60
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
120 Syon Lane
Date
25 Nov 2023
Current
Potential
55
85
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
25 Nov 2023
55
85
26 Jul 2011
42
51
Total Floor Area
106 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
52
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
3
Address
122 Syon Lane
Date
3 Feb 2015
Current
Potential
44
83
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
3 Feb 2015
44
83
Total Floor Area
85 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
124 Syon Lane
Date
25 Aug 2015
Current
Potential
56
88
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
25 Aug 2015
56
88
Total Floor Area
91 sq m
Current CO2 Emissions Level
4.7
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
128 Syon Lane
Date
3 Mar 2023
Current
Potential
67
75
Property Type
Flat
Built Form
Detached
Constructed
1976-1982
+
Certificate History
3 Mar 2023
67
75
23 Jan 2011
62
73
Total Floor Area
73 sq m
Current CO2 Emissions Level
2.8
Potential CO2 Emissions Level
2.0
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
130 Syon Lane
Date
7 Jan 2016
Current
Potential
69
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
7 Jan 2016
69
77
Total Floor Area
74 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
36
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
132 Syon Lane
Date
12 Oct 2017
Current
Potential
66
75
Property Type
Maisonette
Built Form
Detached
Constructed
1950-1966
+
Certificate History
12 Oct 2017
66
75
Total Floor Area
74 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
41
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
134 Syon Lane
Date
21 Sep 2016
Current
Potential
73
73
Property Type
Flat
Built Form
Semi-Detached
Constructed
1983-1990
+
Certificate History
21 Sep 2016
73
73
Total Floor Area
77 sq m
Current CO2 Emissions Level
2.3
Potential CO2 Emissions Level
2.3
CO2 per sq m per Year
30
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
0
Address
138 Syon Lane
Date
26 Mar 2024
Current
Potential
71
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
26 Mar 2024
71
77
29 Mar 2011
71
73
Total Floor Area
78 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
32
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
142 Syon Lane
Date
29 Nov 2014
Current
Potential
70
77
Property Type
Flat
Built Form
Semi-Detached
Constructed
1950-1966
+
Certificate History
29 Nov 2014
70
77
Total Floor Area
78 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
1.8
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
144 Syon Lane
Date
14 Aug 2020
Current
Potential
68
75
Property Type
Flat
Built Form
End-Terrace
Constructed
1950-1966
+
Certificate History
14 Aug 2020
68
75
26 Aug 2009
74
78
Total Floor Area
78 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
37
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
146 Syon Lane
Date
18 Sep 2009
Current
Potential
49
69
Property Type
Flat
Built Form
Detached
Constructed
1950-1966
+
Certificate History
18 Sep 2009
49
69
Total Floor Area
80 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
3.2
CO2 per sq m per Year
69
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
148 Syon Lane
Date
5 Sep 2014
Current
Potential
70
77
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1967-1975
+
Certificate History
5 Sep 2014
70
77
Total Floor Area
71 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
150 Syon Lane
Date
9 Jan 2020
Current
Potential
55
77
Property Type
Flat
Built Form
End-Terrace
Constructed
1983-1990
+
Certificate History
9 Jan 2020
55
77
29 Dec 2015
55
63
Total Floor Area
71 sq m
Current CO2 Emissions Level
3.1
Potential CO2 Emissions Level
2.9
CO2 per sq m per Year
44
Mains Gas Available
No
Habitable Rooms
4
Number of Extensions
0
Address
First Floor Flat, 104 Syon Lane
Date
30 May 2018
Current
Potential
70
78
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
+
Certificate History
30 May 2018
70
78
Total Floor Area
47 sq m
Current CO2 Emissions Level
1.9
Potential CO2 Emissions Level
1.2
CO2 per sq m per Year
40
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
First Floor Flat, 116 Syon Lane
Date
12 Jan 2024
Current
Potential
65
67
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
+
Certificate History
12 Jan 2024
65
67
17 Aug 2016
68
78
Total Floor Area
52 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
46
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Ground Floor Flat, 104 Syon Lane
Date
24 Aug 2012
Current
Potential
72
74
Property Type
Flat
Built Form
N/A
Constructed
1930-1949
+
Certificate History
24 Aug 2012
72
74
Total Floor Area
48 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
35
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
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.

Contains public sector information licensed under the Open Government Licence v3.0.
Contains Royal Mail data © Royal Mail copyright and Database right 2025.