A walk-through presentation about the challenges during the design and construction of this Passivhaus Certified project in Newbury, UK.

1. The Old Water Tower
Completed Nov 2015
Gresford Architects Ltd
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

2. Reception of Project
Gresford Architects Ltd.
Ground Floor Plan First Floor Plan
Gresford Architects Ltd.
Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

3. Reception of Project
West Elevation South Elevation
Gresford Architects Ltd.Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

4. Concept Design
Location
Climate Data & Altitude
Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

5. Concept Design
Orientation
Solar Gains & Shading
Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

6. Concept Design
Form Factor
HLFF = HLA / TFA
Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

7. Technical Design - Coordination
Improving Opaque Element’s U-value
Slab-Wall Detail
Slab U-value: 0.092 W/(m2.K)
Wall-Roof Detail
Wall U-value: 0.085 W/(m2.K)
Ridge Detail
Roof U-value: 0.070 W/(m2.K)
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

8. Technical Design - Coordination
Fenestration Design and Window Specification
Previous Scheme – West Elevation Proposed Scheme – West Elevation
Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

9. Technical Design - Coordination
Fenestration Design and Window Specification
Previous Scheme – South Elevation Proposed Scheme – South Elevation
Proposed Window Section
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Previous Window Section
Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

10. Technical Design - Coordination
Ventilation Strategy
® Green Building Store
Ground Floor Reflective Ceiling Plan Cross Section through Utility Room 3D Layout
® Green Building Store ® Green Building Store
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

11. Passivhaus Design Stage Approval
Certification Process
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD
MEAD: Energy & Architectural Design Ltd

12. On-Site Construction
Building Process Documented
Slab Foundation
Slab U-value: 0.092 W/(m2.K)
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

13. On-Site Construction
Building Process Documented
External Wall
Wall U-value: 0.085 W/(m2.K)
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

14. On-Site Construction
Building Process Documented
Roof
Roof U-value: 0.070 W/(m2.K)
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

15. On-Site Construction
Building Process Documented
Windows
U-value: 1.00 W/(m2.K)
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

16. On-Site Construction
Building Process Documented
Airtightness
Pressurization test result n50: 0.59 ACH
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

17. On-Site Construction
Building Process Documented
MVHR & Ventilation System
Commissioned
Gresford Architects Ltd. Gresford Architects Ltd. Gresford Architects Ltd.
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD

18. Achieving Passivhaus Certification
Documentation Required
- PHPP signed*
- Construction drawings
- Technical specs
- Blower door test certificate
- MVHR commissioning
- Photographic evidences of
construction
- Declaration of Construction
Manager
Gresford Architects Ltd.
Certificate
Passivhaus Certification on Residential Projects Francisco Cerezuela MSc MCIAT CPHD