PROPERTY ENERGY EFFICIENCY CERTIFICATE DETAILS
Syon Lane, ISLEWORTH, TW7 5NQ
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 5NQ 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 5NQ
Period Covered:
2008 - 31 January 2025
Address
Inspection Date
Current
Potential
Property Type
Built Form
Constructed
Address
100 Syon Lane
Date
13 May 2014
Current
Potential
55
74
Property Type
House
Built Form
Semi-Detached
Constructed
1950-1966
Certificate History
13 May 2014
55
74
Total Floor Area
135 sq m
Current CO2 Emissions Level
6.7
Potential CO2 Emissions Level
3.7
CO2 per sq m per Year
49
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
36a Syon Lane
Date
27 Oct 2021
Current
Potential
55
72
Property Type
Flat
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
27 Oct 2021
55
72
28 Feb 2011
71
73
Total Floor Area
58 sq m
Current CO2 Emissions Level
3.5
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
38a Syon Lane
Date
20 Jan 2025
Current
Potential
69
73
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
20 Jan 2025
69
73
22 Dec 2014
66
75
Total Floor Area
38 sq m
Current CO2 Emissions Level
1.7
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
38b Syon Lane
Date
20 Jan 2025
Current
Potential
52
67
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
20 Jan 2025
52
67
Total Floor Area
39 sq m
Current CO2 Emissions Level
2.4
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
63
Mains Gas Available
No
Habitable Rooms
2
Number of Extensions
0
Address
40a Syon Lane
Date
17 Feb 2017
Current
Potential
54
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
17 Feb 2017
54
74
Total Floor Area
66 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
40A SYON LANE, ISLEWORTH
Date
21 Apr 2021
Current
Potential
59
72
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
21 Apr 2021
59
72
Total Floor Area
111 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
3.3
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
42a Syon Lane
Date
13 Aug 2014
Current
Potential
48
59
Property Type
Maisonette
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
13 Aug 2014
48
59
Total Floor Area
81 sq m
Current CO2 Emissions Level
5.2
Potential CO2 Emissions Level
4.0
CO2 per sq m per Year
64
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
1
Address
44a Syon Lane
Date
17 Feb 2017
Current
Potential
54
74
Property Type
Flat
Built Form
Mid-Terrace
Constructed
1930-1949
Certificate History
17 Feb 2017
54
74
Total Floor Area
66 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
61
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
48a Syon Lane
Date
7 Sep 2009
Current
Potential
65
74
Property Type
Maisonette
Built Form
End-Terrace
Constructed
1900-1929
Certificate History
7 Sep 2009
65
74
Total Floor Area
53 sq m
Current CO2 Emissions Level
3.0
Potential CO2 Emissions Level
2.2
CO2 per sq m per Year
57
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
48A SYON LANE, ISLEWORTH
Date
28 Oct 2020
Current
Potential
62
72
Property Type
Flat
Built Form
End-Terrace
Constructed
1930-1949
Certificate History
28 Oct 2020
62
72
Total Floor Area
46 sq m
Current CO2 Emissions Level
2.5
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
50 Syon Lane
Date
17 Jan 2025
Current
Potential
67
86
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
17 Jan 2025
67
86
22 Sep 2014
55
75
Total Floor Area
116 sq m
Current CO2 Emissions Level
4.0
Potential CO2 Emissions Level
1.5
CO2 per sq m per Year
35
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
54 Syon Lane
Date
27 Nov 2015
Current
Potential
65
84
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
27 Nov 2015
65
84
Total Floor Area
115 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
Address
58 Syon Lane
Date
21 Sep 2014
Current
Potential
55
75
Property Type
House
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
21 Sep 2014
55
75
Total Floor Area
108 sq m
Current CO2 Emissions Level
5.5
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
51
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
60 Syon Lane
Date
12 Feb 2024
Current
Potential
65
91
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
12 Feb 2024
65
91
Total Floor Area
60 sq m
Current CO2 Emissions Level
2.6
Potential CO2 Emissions Level
0.4
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
0
Address
66 Syon Lane
Date
31 Aug 2020
Current
Potential
61
90
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
31 Aug 2020
61
90
Total Floor Area
84 sq m
Current CO2 Emissions Level
3.8
Potential CO2 Emissions Level
0.6
CO2 per sq m per Year
45
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
70 Syon Lane
Date
7 Mar 2009
Current
Potential
50
67
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
7 Mar 2009
50
67
Total Floor Area
94 sq m
Current CO2 Emissions Level
6.7
Potential CO2 Emissions Level
4.4
CO2 per sq m per Year
63
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
72 Syon Lane
Date
28 Dec 2023
Current
Potential
64
82
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
28 Dec 2023
64
82
7 Mar 2009
40
58
Total Floor Area
122 sq m
Current CO2 Emissions Level
4.1
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
0
Address
78 Syon Lane
Date
3 Oct 2022
Current
Potential
69
86
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
3 Oct 2022
69
86
27 Jan 2012
51
66
Total Floor Area
95 sq m
Current CO2 Emissions Level
3.2
Potential CO2 Emissions Level
1.3
CO2 per sq m per Year
34
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
1
Address
82 Syon Lane
Date
9 Jan 2015
Current
Potential
63
81
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
9 Jan 2015
63
81
Total Floor Area
137 sq m
Current CO2 Emissions Level
5.3
Potential CO2 Emissions Level
2.5
CO2 per sq m per Year
39
Mains Gas Available
Yes
Habitable Rooms
7
Number of Extensions
1
Address
84 Syon Lane
Date
9 Jan 2015
Current
Potential
68
81
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
9 Jan 2015
68
81
Total Floor Area
148 sq m
Current CO2 Emissions Level
4.9
Potential CO2 Emissions Level
2.8
CO2 per sq m per Year
33
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
88 Syon Lane
Date
13 Jul 2024
Current
Potential
59
81
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
13 Jul 2024
59
81
7 Jan 2012
61
66
Total Floor Area
94 sq m
Current CO2 Emissions Level
4.4
Potential CO2 Emissions Level
1.9
CO2 per sq m per Year
47
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
94 Syon Lane
Date
29 Mar 2013
Current
Potential
55
88
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
29 Mar 2013
55
88
Total Floor Area
93 sq m
Current CO2 Emissions Level
5.0
Potential CO2 Emissions Level
1.0
CO2 per sq m per Year
54
Mains Gas Available
Yes
Habitable Rooms
5
Number of Extensions
0
Address
96 Syon Lane
Date
20 May 2015
Current
Potential
61
80
Property Type
House
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
20 May 2015
61
80
Total Floor Area
134 sq m
Current CO2 Emissions Level
5.1
Potential CO2 Emissions Level
2.4
CO2 per sq m per Year
38
Mains Gas Available
Yes
Habitable Rooms
6
Number of Extensions
1
Address
First Floor Flat, 52 Syon Lane
Date
23 Aug 2020
Current
Potential
60
67
Property Type
Maisonette
Built Form
Semi-Detached
Constructed
1900-1929
Certificate History
23 Aug 2020
60
67
Total Floor Area
46 sq m
Current CO2 Emissions Level
2.7
Potential CO2 Emissions Level
2.1
CO2 per sq m per Year
58
Mains Gas Available
Yes
Habitable Rooms
3
Number of Extensions
0
Address
Ground Floor Flat, 52 Syon Lane
Date
10 Dec 2018
Current
Potential
65
76
Property Type
Flat
Built Form
Semi-Detached
Constructed
1930-1949
Certificate History
10 Dec 2018
65
76
Total Floor Area
66 sq m
Current CO2 Emissions Level
2.9
Potential CO2 Emissions Level
1.7
CO2 per sq m per Year
43
Mains Gas Available
Yes
Habitable Rooms
4
Number of Extensions
1
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.
Contains public sector information licensed under the Open Government Licence v3.0.
Contains Royal Mail data © Royal Mail copyright and Database right 2025.