This document summarizes the experience and credentials of Architype and BDP in delivering net zero carbon and Passivhaus projects over the past 10 years. It provides examples of successful projects such as the Passivhaus-certified Enterprise Centre at the University of East Anglia and the MassivHaus-designed Harris Sutton Academy. It also outlines their approach to achieving net zero operational energy through high-performance building envelopes and low-carbon construction methods to minimize embodied carbon.

1. Ben Humphries - Architype Director & James Hepburn - BDP Principal

2. Architype and BDP
• 10 years experience of successful project delivery
• The Enterprise Centre - PassivHaus
• Harris Sutton Academy - MassivHaus
• Cambridge Institure of Sustainable Leadership – EnerPHit
• Route to Net Zero Carbon

5. SAP 10.1
The Government’s Standard Assessment
Procedure for Energy Rating of Dwellings
Version 10.1
This version is not currently to be used for any official purpose.
It is for consultation purposes only.
SAP 2012 should continue to be used for Building Regulations
compliance and the production of EPCs until further notice
This document describes SAP version 10.1 (10-10-2019). Information relating to this version of
SAP and any updates will be published on the website below.
Correction made: compared to the version of this document issued on 01-10-2019, the U-values
for rooflights given in Appendix R have each been increased by 0.3 W/m²K (page 107).
Published on behalf of BEIS by:
BRE Garston, Watford, WD25 9XX
Enquiries to https://bregroup.com/sap/sap10
© Crown copyright 2019
October 2019
Ministry of Housing, Communities and Local Government
The Future Homes Standard
2019 Consultation on changes to Part L (conservation
of fuel and power) and Part F (ventilation) of the
Building Regulations for new dwellings

6. Operational Energy and Carbon
Post Occupancy Evaluation (not an Architype School!)

7. Past
simple
energy consuming
uncomfortable
Present
complex
energy offsetting
unsustainable
Passivhaus
simple
energy saving
comfortable
PassivhausPresentPast

8. Embodied Carbon
Domestic
< 600 kgCO2e/m2 - 2020
< 450 kgCO2e/m2 - 2025
< 300 kgCO2e/m2 – 2030
Non Domestic
< 800 kgCO2e/m2 - 2020
< 650 kgCO2e/m2 - 2025
< 500 kgCO2e/m2 - 2030
Domestic
< 400-500 kgCO2e/m2 – 2020
(30% re-used, 50% reusable)
< 200-300 kgCO2e/m2 – 2030
(50% re-used, 80% reusable)
Non Domestic
< 500-600 kgCO2e/m2 – 2020
(30% re-used, 50% reusable)
< 250-350 kgCO2e/m2 – 2030
(50% re-used, 80% reusable)

9. Embodied Carbon
Business as usual?
Domestic > 800 kgCO2e/m2
Non Domestic > 1000 kgCO2e/m2

10. The Enterprise Centre, University of East Anglia

11. The Enterprise Centre, University of East Anglia

13. The Enterprise Centre, University of East Anglia

14. The Enterprise Centre, University of East Anglia - POE

15. The Enterprise Centre, University of East Anglia - POE

16. Compared to other Buildings on Campus
-
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
The Enterprise Centre Elizabeth Fry Zicer Julian centre TPSC
kWh/m2.month
TEC figures are conservative here as assume no PV exported

17. Year 1 Year 2 Year 3 Year 4
The Enterprise Centre, University of East Anglia – POE

18. User Engagement
The Enterprise Centre, University of East Anglia
The Enterprise Centre, University of East Anglia – Soft Landings

19. The Enterprise Centre, University of East Anglia
The Enterprise Centre, University of East Anglia – Soft Landings

20. BUS Survey & Overall
Variables
“Comfortable, well designed, well
lit”
“Fantastic, uplifting, inspirational”
“Bright, energetic, creative”
“Internally it is very calm and
peaceful”
“Enjoy use of natural light and
views from every window”
“The offices are well laid out and
suitably spacious”
“I have got fitter, feel more positive
and have a better quality of living”
The Enterprise Centre, University of East Anglia – Soft Landings / POE

21. BUS Survey – comfort overall, health (perceived) and productivity (perceived)
The Enterprise Centre, University of East Anglia – Soft Landings / POE

22. Embodied Carbon

23. Total Embodied Impact = 446 kgCO2e/m2

24. Harris Academy Sutton

25. Harris Academy Sutton
More Sutton Images

26. Harris Academy Sutton
More Sutton Images

27. Harris Academy Sutton
More Sutton Images

28. Harris Academy Sutton
More Sutton Images

29. Harris Academy Sutton
More Sutton Images

30. The Enterprise Centre, University of East Anglia - POE
Harris Academy Sutton

31. New Sutton Secondary School

32. Pembroke College
Corpus
Christi
College
St Catherine’s
College
King’s College
Emmanuel
College
Parker’s Piece
Cambridge
University
Cricket Club
Downing College
College
Peterhouse
Peterhouse
Cambridge Institute of Sustainable Leadership (CISL)

34. Boilerflue
Gasriseshere
Chiller
Measure typical window dimensions on each floor.
Thermal bridge
Complex plant and
duct system installed and
difficult to retrofit insulation
Dormer: very difficult
to retrofit
Complex roof structure
to retrofit
Thermal bridge
Internal insulation – problematic areas

35. Window replacement – before and after

37. Heating demand 190.6 kWh/m2 Cooling demand 37.3 kWh/m2 PER demand 681.0 kWh/m2 PE dem
targets: targets: targets: targets
TFA measured from plans Passivhaus 15.0 kWh/m2 Passivhaus 15.0 kWh/m2 Enerphit Classic 60.0+ kWh/m2 Enerph
Enerphit 25.0 kWh/m2 Enerphit 15.0 kWh/m2 Enerphit Plus 45.0+ kWh/m2
TFA 2395 m2 Enerphit Premium 30.0+ kWh/m2
hea ng (gas)
456,547 kWh
cooling (electricity)
89,312 kWh
DHW, ligh ng, auxilliary energy and electrical appliances
(electricity)
550,741 kWh
hea ng (gas)
333.6 kWh/m2 (PER)
cooling (electricity)
48.5 kWh/m2 (PER)
DHW, ligh ng, auxilliary energy and electrical appliances
(electricity)
298.9 kWh/m2 (PER)
60 kWh/m2 (PER) 45 kWh/m2 (PER) 30 kWh/m2 (PER)
+
+
+
-60 kWh/m2 (PER)
-120 kWh/m2 (PER)
-100.0 kWh/m2
0.0 kWh/m2
100.0 kWh/m2
200.0 kWh/m2
300.0 kWh/m2
400.0 kWh/m2
500.0 kWh/m2
600.0 kWh/m2
700.0 kWh/m2
-200,000 kWh
0 kWh
200,000 kWh
400,000 kWh
600,000 kWh
800,000 kWh
1,000,000 kWh
1,200,000 kWh
1,400,000 kWh
Meter readings Measured PER consump on Enerphit Classic Enerphit Plus Enerphit Premium
PER factor
(gas) = 1.75
PER factor
(elec) = 1.3

40. Route to Zero Carbon

41. • Typically cited as ~8% uplift now, 4% in future
– Due to economy of scale
– Costing uncertainty
• Architype and BDP has experience of…
What does
it cost?

42. • Passivhaus, BREEAM Outstanding, Low Carbon Construction
• £2,800/sqm – equal to the median of last 10 UEA projects