Building Regulations Part L 2010 Case studiesBuro Happold Environment Traditional Buildings...
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Buro Happold Environment Traditional Buildings Conference, 30 March 2011 Building Regulations Part L 2010 Case studies Presented by David Kingstone [email protected]
Transcript of Building Regulations Part L 2010 Case studiesBuro Happold Environment Traditional Buildings...
Buro Happold EnvironmentTraditional Buildings Conference, 30 March 2011
Building Regulations Part L 2010 Case studies
Presented by David Kingstone
Part L 2010 case studies
• Dwelling refurbishment
• Listed Building refurbishment and extension
• Summary
Case Study – Refurbished dwelling
Case Study – Refurbished Dwelling
Existing Dwelling:• Uninsulated stone built mid terrace• Gas fires to two rooms• Electric DHW storage
Proposals• Install central heating via condensing combi boiler• External wall insulation is not an option
Case Study - Dwelling
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
Case Study - Dwelling
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
Case Study - Dwelling
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
Case Study - Dwelling
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
Case Study - Dwelling
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
Case Study - Dwelling
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
Part L 2010 case studies
• Dwelling refurbishment
• Listed Building refurbishment and extension
• Summary
Case Study – listed building
Part L compliance requirements• Change of energy status (CI)• Extension (CI)• Material alteration
Case study – listed building
Extension• Comply with Part L
2010 new buildExisting Building• Limited fabric
improvements possible
• Some cooling added
• Original lighting
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
ConstantVolumefixed FA
ConstantVolumevar FA
VAV Fan CoilUnit
Activebeams
Passivebeams +
displvent
Rel
ativ
e E
mis
sio
ns
Heating Cooling Auxilliary
Case study
Notional Building = TER
• Building fabric U-values
• Systems efficiency
• Ancillary energy
• Lighting
• Emission factors
Emissions
Case study – listed building
0
5
10
15
20
25
30
TER BER Grid Displaced
Em
issi
on
s (k
gC
O2/
m2)
Heating DHW Cooling Auxiliary Lighting Total
15
15
15
14
14
14
13
13
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12
12
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11
11
11
10
10
10
9
9
9
8
8
8
7
7
7
6
6
6
5
5
5
4
4
4
3
3
3
2
2
2
1
1
1
A+
A+
A+
A
A
A
B
B
B
C
C
C
D
D
D
-10 0 10 20 30 40 50 60 70 80 90 100
New
Refurbished
EPC Rating
EPC Rating
EPC and Breeam Ene1 credits
Ene1 Credits
EPC 2006
EPC 2010?
The new emissions regulations
• Dwelling refurbishment
• Listed building refurbishment and extension
• Summary
Summary
• The process is not simple
• Compliance strategy must be thought out
• Consider energy efficiency and value
0
10
20
30
40
50
60
70
ExistingBuilding
NewBuilding
TER
ElementalCompliance
Roof 0.16 Boilerefficiency
93%
4m2 solarthermal
Insulatefloor 0.25
PV panel0.5kWp
0
5
10
15
20
25
30
TER BER Grid Displaced
Em
issi
on
s (k
gC
O2/
m2)
Heating DHW Cooling Auxiliary Lighting Total
