Beyond Zero Carbon Housing - Alan Shingler
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A one day symposium on zero/low carbon sustainable homes took place at The University of Nottingham on the 24th October, 2012. The event offered professionals within the construction industry a unique opportunity to gain added and significant insight into the innovations, policies and legislation which are driving the construction of zero/low carbon energy efficient homes both here in the UK and elsewhere in Europe. It explored solutions to sustainability issues “beyond” the zero carbon agenda. BZCH followed on from the successful ‘Towards Zero Carbon Housing’ symposium the University hosted in 2007. This event is part of the Europe Wide Ten Act10n project which is supported by the European Commission Intelligent Energy Europe.
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Beyond Zero Carbon Housing - Alan Shingler
- 1. Beyond Zero Carbon Housing exploring solutions to sustainability issues beyond the zero carbon agenda 2 4 th O c t o b e r 2 0 1 2 a t T h e U n i v e r s i t y o f N o t t i n g h a m Department of Architecture and Built Environment
- 2. © Copyright Notice A l l t h e m a te r i a l i n t h e s e s l i d e s m ay n o t b e u s e d o r re p ro d u c e d w i t h o u t t h e ex p re s s p e r m i s s i o n o f t h e a u t h o rs
- 3. Beyond Zero Carbon Housing The University of Nottingham Alan Shingler– Sheppard Robson
- 4. 2005 - £60,000 = 2 Bed House or Flat, 76.5sqm
- 5. • Embed film here
- 7. 60K Common Chassis … sustainability
- 9. Avante | Kent | Design for Manufacture Competition | Code Level 4, Eco Homes Excelent | The design utilises the TEK building system from Kingspan |Avante, Linton, Kent | Design for Manufacture Competition | Code Level 4 | The design utilises the TEK building system from Kingspan | Community Consultation
- 14. Post Occupancy Performance Evaluation – TSB Funded Design & Co-Heating Air-tightness Review of Qualitative 2-year Construction Tests Tests Handover & Customer On-going Audit Commissioning Feedback Monitoring Process SAP2005 check gives a better y-value thermal bridging (0.048) than details assumed (0.08) 15% improvement on target (TER) for 2006 regulations Airtightness slightly higher 5.82 m3/h/m2 Positive aspects : Contemporary look, open plan ground floor, good daylight provision, high ceilings, uniqueness of lantern. Negative aspects: lack of storage space, entrance sequence, heating provision and controls, use of MVHR system 14
- 16. The Code for Sustainable Homes How it works Its ambition is clear; guiding the design and Energy & carbon dioxide construction of sustainable homes to set Materials world class standards that reduce the impact Ecology our homes have on the UK’s carbon Waste emissions, Pollution Health & well-being Water Surface water run off Management
- 18. Will it compromise lifestyle? How will the Code effect the housing market?
- 19. Not to the detriment of practical innovation!
- 20. Energy & carbon dioxide • Walls, roof, floor U-values = 0.11W/m²K -Tek • External lights on PIR (presence detection) System, 284mm thick • Cycle storage • Windows = 0.7W/m²K (inc. wooden • Home office facilities frame),triple glazed, gas filled • On-site renewable energy: 4.7kW, 46m² • Air permeability = 1m³/h/m² at 50 Pa photovoltaic's • Thermal bridging 4.5% of surface area • 10kW automatic wood pellet boiler – only 2kW • Mechanical ventilation = 88% heat recovery - needed Kingspan KAR MVHR • Wood store, filled three times a year • Specific fan power 0.92W/l/s • 4m² solar hot water to reduce wood resource • Lighting – 100% fluorescents used in summer • Drying room with fittings • Energy labelled A++ white goods
- 21. Materials Health & Well Being Walls and roof – TEK structurally insulated panels Daylight – 1.5 -2% (SIPS) daylight factors Cladding – sweet chestnut Private spaces Paved surface from recycled or sustainable sources Lifetime homes standards Ecology Improved biodiversity through native planting and Water creation of surface water environment Potable water reduction: Low water shower 8 litres/min and taps Dual flush WC, 4/2 litres, 160 litre bath Water labelled A++ washing white goods Greywater recycling for WC flushing Rainwater harvesting for washing machine and irrigation.
- 22. Renewable energy technologies Building integrated photovoltaic (BIPV) Solar Services will be integrated thermal array with smart metering and monitoring which records energy consumption and Mechanical ventilation enables occupants to with heat recovery (MVHR) identify if any wastage is occurring, helping to promote more environmentally aware lifestyles. Low volume, water Heat store Biomass efficient sanitary boiler ware and appliances Sketch by Arup Rainwater recycling tank
- 24. Wind catcher/ light funnel Solar collectors and shading Selective thermal mass Low embodied energy
- 25. Solar gain and shading • At Level 6 there is a mandatory heat loss parameter • As a result the ratio of glazing to wall in the Lighthouse is 18% as opposed to 25-30% in traditional houses. • This drove our decision to locate the living space on to the first floor enabling us to maximise daylight and volume, with a top-lit double height living space.
- 26. Selective thermal mass Phase changing material in the ceilings absorbs the room heat by changing from solid to liquid within microscopic capsules embedded in the board. This process is reversed when the room is cooled with the night air, working with the passive system of the wind catcher.
- 29. BRE Innovation Park 2007
- 30. Innovation – Raising the profile of Sustainable Design
- 31. The energy cost of running the Kingspan BRE house would be about £31 per year for the wood pellets, assuming wood pellets cost 1.8 p/ kWh. The electricity is free, from the sun! A house of the same size and shape but built to 2006 Building Regulations standards would cost about £500 a year in energy bills.
- 32. 1 Unit Photovoltaics Solar hot water Wood pellet 4.7kW 4m2 boiler 2kW 25 Units Photovoltaics 4 x Wood pellet Local wind Wood pellet 4.7kW micro-CHP turbine 45kW ~ boiler 50kW 1kW 15m blades 250 Units Biomass CHP 100kW Local wind turbine 400kW Biomass boiler ~ 45m blades 450kW
- 34. Development plots above the flood plain
- 35. DLR extension East London Transist Main road access Main cycle access
- 36. RIVERGATE CENTRE Primary School Community facilities Small scale retail Residential
- 38. Sports pitches Play Stations Play ports
- 48. CL01 Terraced Block • Generous terracing at rear • Combination of dual & single aspect units • Duplex and single level units • Units with direct ground level access (front doors) • 5 stories •Under-croft parking CL02 Head Block • Combination of single, dual, and triple aspect units • Single level units throughout • Units with direct ground level access (front doors) • Private amenity space for every unit • Up to 6 / 7 storeys •Under-croft parking
- 49. CL03 Mews Houses • Dual aspect units • Single level units throughout • Units with direct ground level access (front doors) • Private amenity space for all units • Up to 3 storey CL04 Higher Density Block • Single aspect units throughout • Units with direct ground level access (front doors) • Private amenity space for each unit • Up to 4 / 5 storey high •Under-croft parking
- 50. CL05 Bebo Block •Derived from Dutch ‘belo- boven’ (1 below – 1 above) houses. •Dual aspect units throughout • Combination of single level & duplex units • Raised front porch walkway • Private amenity space for every unit • 5 storey block •Under-croft parking CL06 Head Block • Combination of single, dual, and triple aspect units • Single level units throughout • Units with direct ground level access • Amenity space for every units • Up to 6 / 7 storey
- 52. Roofs
- 53. Windows
- 54. Sheds!
- 55. North facade
- 56. South Elevation
- 57. Home zone
- 59. Gardens & sheds!
- 60. Thank you