Open Eco Homes – Case Studies

Title Image Description Age Insulation Energy Materials Water Other Years open
Coleridge Road: CB1 Thumbnail image for Coleridge Road: CB1 Semi-detached, thorough ecorenovation of family home 1930 External wall (brick slips), floor, converted loft insulation Zone heating Salvaged French door Dual flush toilets, water butt, water softener Vegetable garden, 2015
Macfarlane Close: CB24 Thumbnail image for Macfarlane Close: CB24 Detached 1962 Underfloor, cavity wall, under-barge board and loft (floor and ceiling). Reflective double glazing. Solar PV, Mechanical ventilation and heat recovery, LED lighting, heating zones, thermal store for hot water Reclaimed wooden floors. Waste building materials from build re-used in garden structures. 2017, 2018
Seymour Street: CB1 Thumbnail image for Seymour Street: CB1 Terrace 1913 Floor, roof, cavities filled, air sealed vents/chimneys/windows/doors, double glazing Solar PV, mechanical ventilation with heat recovery, exhaust air heat recovery, heat saving thermal blinds 2013
Richmond Road: CB4 Thumbnail image for Richmond Road: CB4 Terrace 1896 External walls insulated internally, super insulated bathrooms, air sealed windows/doors, double/triple glazing Condensing boiler, wood burner Lime mortar external walls Aerating taps, dual low flush toilets 2013
Rampton Drift: CB24 Thumbnail image for Rampton Drift: CB24 Homes x12: Detached, Semi-Detached, Terrace 1950s-70s External wall cavities filled and insulated, lofts, internal walls, air sealed entrance lobby/windows/external doors Combination boilers, thermostatic radiator valves, solar thermal hot water system with thermal stores, mechanical ventilation with heat recovery Web based monitoring of gas and electricity usage, temperature, humidity and CO2 levels 2013
Nightingale Avenue: CB1 Thumbnail image for Nightingale Avenue: CB1 Detached 1958 Cavities, floors, roof, extension, draught proof entrance lobby Condensing boiler, solar PV, solar thermal panel, heat recovery extractor fans, low energy bulbs, LEDs Reclaimed flooring Rainwater harvesting, aerated taps, dual low flush toilets 2013
New Street: CB1 Thumbnail image for New Street: CB1 Terrace 1995 Roof, loft, between floors, triple glazing Condensing boiler, solar thermal panels with thermal store, thermostatic valves, mechanical ventilation with heat recovery Low water shower, toilet, and taps 2013
Milton Road: CB4 Thumbnail image for Milton Road: CB4 Detached bungalow 1927 Ground floor, roof, external walls, double glazing and triple glazed roof windows, air sealed entrance lobby Solar PV, LED bulbs, heating controls, passive ventilation and heat recovery, underfloor heating, air source heat pump Rainwater harvesting 2013
Midsummer Common: CB4 Thumbnail image for Midsummer Common: CB4 Narrowboat 2001 Hull, spray-foam Solar PV, wind turbine, wood burning stove, LED bulbs 2013
Melbourne Place: CB1 Thumbnail image for Melbourne Place: CB1 Terrace 1840 External wall, loft, underfloor, double glazing, air sealed windows/doors/letterbox Solar PV, thermostatic valves, LED bulbs, underfloor heating, air source heat pump Reused bricks, lead substitute flashing, FSC timber Aerating taps, low flush toilets, rainwater harvesting 2013
Magnolia Close: CB1 Thumbnail image for Magnolia Close: CB1 Detached 2010 Roof, walls, floors, triple glazing, air sealed entrance lobby Condensing boiler, wood burner, solar PV, low energy bulbs, LEDs, underfloor heating, mechanical heat and ventilaton recovery Clay brick internal wall (thermal mass) Rainwater harvesting, water butts, low flush toilets 2013
Knight’s Way: CB24 Thumbnail image for Knight’s Way: CB24 Semi-detached 1960s Cavity wall, carbon zero loft, thermal beam/block, underfloor Condensing boiler, solar thermal and thermal store, low energy bulbs Rainwater harvesting, low flush toilets 2013
Hills Road: CB2 Thumbnail image for Hills Road: CB2 Detached 1905 Loft, walls, underfloor. Glazing. Condensing boiler, thermostatic radiator valves, low energy bulbs, solar PV Aerating shower heads, low flush toilets, water butts 2013
Eco Hub – Gamlingay: SG19 Thumbnail image for Eco Hub – Gamlingay: SG19 Community centre 1970s Super-insulated and air sealed throughout. Passive ventilation with heat recovery, ground source heat pump system, solar termal panels with thermal store, solar PV Rainwater harvesting 2013
Coton Village Hall: CB23 Thumbnail image for Coton Village Hall: CB23 Community centre 1934 External, underfloor, and roof. Double glazing. Draughtproof lobby room. Air source heat pump, LED lighting, low energy flourescent lighting, underfloor heating. Aerating taps, low flush toilets 2013
Cheney Way: CB4 Thumbnail image for Cheney Way: CB4 Semi-detached 1958 External and internal wall insulation, loft, and underfloor Condensing boiler, wood burning stove, mechanical ventilation heat recovery, solar PV, solar thermal panels and thermal store, low energy bulbs Roofing felt. Powder-coated aluminium gutters. Acetylated timber. Water softener, dual flush toilets, rainwater harvesting 2013
Bury Road: CB22 Thumbnail image for Bury Road: CB22 Semi-detached 1957 Cavity wall, loft, and underfloor. Double glazing Low energy bulbs, solar PV, mechanical ventilation heat recovery 2013
Bishop’s Road: CB2 Thumbnail image for Bishop’s Road: CB2 Detached bungalow 1946 External and internal wall insulation. Double glazing Condensing boiler, wood burning stove, solar PV, low energy bulbs, underfloor heating Water butt 2013
Aberdeen Square: CB2 Thumbnail image for Aberdeen Square: CB2 Terrace 2010 Air source heat pumps, solar PV Aerating shower heads, dual flush toilets, water butt 2013
High Street – Pease House: CB3 Thumbnail image for High Street – Pease House: CB3 Detached 2012 Super-insulated, structurally insulated panels (SIPS), air tight, triple glazing Solar PV, solar thermal panels with thermal store, underfloor heating, condensing gas boiler, Rammed earth wall, reclaimed materials Rainwater harvesting 2013, 2017, 2018
Woodlark Close: CB3 Thumbnail image for Woodlark Close: CB3 Detached 1930s Interior solid wall, loft, underfloor, double glazing Wood burning stove, underfloor heating, LED lighting 2014
North Street: CB4 Thumbnail image for North Street: CB4 Terrace 2012 Wall cavity, roof, floor, double glazing, non-opening windows Solar PV, solar thermal, low energy bulbs, LEDs, air source heat pump, underfloor heating Low flow taps 2014
Huntingdon Road: CB3 Thumbnail image for Huntingdon Road: CB3 Semi-detached 1890s Internal wall, double glazing, draught stripping, air sealed windows Solar PV, low energy lighting, thermostatic radiator valves 2014
Foster Road: CB2 Thumbnail image for Foster Road: CB2 Terrace 1947 Cavity wall, loft, pipe, double glazing Condensing boiler, solar PV, solar thermal panel, low energy bulbs, LEDs Rainwater harvesting, water butts, low flow taps 2014
Fallowfield: CB4 Thumbnail image for Fallowfield: CB4 Semi-detached 1940s External wall, loft, double glazing Low energy lighting 2014
Ascham Road: CB4 Thumbnail image for Ascham Road: CB4 Semi-detached 1929 External wall, underfloor, double glazing Condensing boiler, wood burning stove, solar PV Reclaimed timber 2014
Silverwood Close: CB1 Thumbnail image for Silverwood Close: CB1 Terrace 1930s External wall, cavity, loft, roof, double glazing, radiator reflectors Condensing boiler, low energy bulbs, solar thermal panels, mechanical ventilation and heat recovery, underfloor heating Rainwater harvesting 2014, 2017
Harvey Goodwin Avenue: CB4 Thumbnail image for Harvey Goodwin Avenue: CB4 Detached 1920 External wall, underfloor, roof, double glazing, triple glazed roof light Condensing gas boiler, low energy bulbs, LEDs, solar thermal 2014, 2018
Silverdale Avenue: CB23 Thumbnail image for Silverdale Avenue: CB23 Detached. Custom-built timber frame home and office in Coton 2013 External wall, roof, interfloor, triple glazing Solar PV, heat recovery, passive solar FSC timber Dual flush toilets, water butt, water softener Flexible design for any future change of use 2015
Saint Barnabas Road: CB1 Thumbnail image for Saint Barnabas Road: CB1 Semi-detached, highly-insulated home with low-carbon lifestyle 1897 Internal wall, roof, floor, double- and secondary-glazed sashes Zone heating controls, woodstove, passive solar Reused building materials and furnishings Water butts, low water-consuming lifestyle 2015
Mowbray Road: CB1 Thumbnail image for Mowbray Road: CB1 Detached newbuild PassivHaus standard home 2015 Wall and roof insulation, airtight structure. Mechanical ventilation & heat recovery Wood frame & walls. Recycled newspaper insulation Rainwater harvesting for garden and WCs. Mechanical heat recovery filters pollen 2015
Lingrey Court: CB2 Thumbnail image for Lingrey Court: CB2 Semi-detached 'Zero-carbon' concept house & family home. 2015 Insulated panel construction, some triple-glazing Solar PV, heat recovery, heat-saving shower FSC-certified timber cladding Water-saving WCs, showers and baths Green roof, herbs, fruit and veg growing 2015
Gilbert Road: CB4 Thumbnail image for Gilbert Road: CB4 Semi-detached, extended and comprehensively insulated home 1930 Internal and external wall, floor, loft, thermal-lined curtains Solar water heating, woodburning stove Reclaimed bricks Water butts Bike shed, wood store 2015
Eachard Road: CB3 Thumbnail image for Eachard Road: CB3 Semi-detached, restored home with thorough insulation & renewables. 1935 Internal & external wall, floor, loft Woodstove (for cooking, heating and hot water), solar PV Wood for building extension and conservatory Four water butts Wood fuel sourced partly from own garden 2015
Topcliffe Way: CB1 Thumbnail image for Topcliffe Way: CB1 Extensive renovation to take control of energy bills 1963 Cavity wall, loft and external wall, argon filled double glazing Woodstove, solar PV & thermal, DIY fitted mechanical ventilation with heat recovery Rainwater harvesting, DIY greywater toilet Low energy-consuming family living 2015, 2016, 2017
Chesterton Road: CB4 Thumbnail image for Chesterton Road: CB4 Three storey Victorian house with striking re-design of draughty bay window 1896 Internal and external wall, roof, floor, double- and secondary-glazed sashes Solar thermal panels, PV, heat recovery & ventilation Water butts, dual flush WCs, low-flow showers Sunpipe 2015, 2016, 2017
Oxford Road: CB4 Thumbnail image for Oxford Road: CB4 Large house with multiple extensions and substantial renovations 1927 Cavity and external solid wall insulation, underfloor, loft conversion Solar PV, zoned underfloor heating, LED lighting Timber framed windows (with aluminium cladding) Bathtub siphoning Adapting to use smaller A+ rated fridge 2015, 2016, 2019
Nuttings Road: CB1 Thumbnail image for Nuttings Road: CB1 Extensive renovation completed over five years puts environment at heart of home 1950s Cavity wall, loft, hot water tank, under bath, triple layer curtains Solar PV & thermal, 9 kW woodstove, heat recovery Eco-paint, wool insulation, Rainwater harvesting, spray taps, toilet 'Hippo' Sedum roof, vegetable growing, terracotta fridge 2015, 2016, 2019
Eltisley Avenue: CB3 Thumbnail image for Eltisley Avenue: CB3 Mid-terrace, innovative low-cost eco-renovation 1902 Insulated loft conversion. Underfloor. Triple, double, or DIY secondary glazing. Wood stove, DIY awnings for cooling, low energy bulbs (LED), DIY fanned radiator Reclaimed pine flooring, Marmoleum (eco-lino) Low flow showers, low volume flush WCs Wood store with sedum roof 2015, 2017
Fen Road: CB4 Thumbnail image for Fen Road: CB4 Semi-detached, thoughtful ecorenovation with low carbon heating 1897 Internal and external wall insulation Solar thermal, woodstove Reclaimed wood Two water butts for chalk-free garden watering DIY solar thermal installation 2015, 2018
Thoday Street: CB1 Thumbnail image for Thoday Street: CB1 A house for lovers of natural building materials. 1919 Visitors on 18th will see Hempcrete wall insulation in progress, double glazing Solar PV, Worcester condensing boiler with WAVE internet controlled programmer Lime mortar re-pointing, Tadelakt plaster, eco-paints Cob oven in garden 2016
Saint John’s Road: CB5 Thumbnail image for Saint John’s Road: CB5 Saint John's College University of Cambridge, sensitive and feature packed renovation of Regency house 1810 Ground floor, internal wall, roof, double or secondary glazing throughout Heat recovery extractor fans, LEDs, variable temperature heat controls, condensing boiler Full retrofit with new kitchens and bathrooms, daylight tubes. 2016
Ross Street: CB1 Thumbnail image for Ross Street: CB1 Extended and renovated Edwardian terrace with emphasis on fair footprint living 1912 PUR aerogel, insulating render, blinds, double glazed windows and doors Wood burning stove, solar PV, LEDs, condensing boiler Reused reclaimed and recycled fittings, cork tiles, UK wool carpet Aerating taps, 'pulse eco' showerhead, dual flush toilet, water butts Raised beds, covered ventilated 'shed' for storage and clothes drying 2016
Perowne Street: CB1 Thumbnail image for Perowne Street: CB1 Retirement renovation and extension for comfort, light and easy mobility 1890 Internal and external wall insulation, underfloor, loft LEDs, condensing boiler, A+++ appliances, increased daylighting and solar thermal gain from extension Soakaway to save money on water bills, water efficient wetroom, 'hippos' Solar powered Velux blinds 2016
Neville Road: CB1 Thumbnail image for Neville Road: CB1 Substantial renovation with a clever mix of novel low cost DIY and standard insulation 1936 External and internal wall, roof, storm porch, side extension Garage mounted Solar PV array, appliance timers, solar gain and daylighting Carpet made from 80% recycled bottles, bamboo floor and kitchen worktops Four water butts, rainwater container by kitchen sink for tasks not requiring tap water Re-fill liquid cleaning materials, avoiding disposables and plastics 2016
Laburnum Close: CB4 Thumbnail image for Laburnum Close: CB4 An external tour of an external wall insulation system with brick slip cladding 1930s External wall insulation system with brick slip cladding Solar PV Installed as part of a neighbourly project involving three houses 2016
Saint Margaret’s Road: CB3 Thumbnail image for Saint Margaret’s Road: CB3 Wide ranging renovation includes new passive ventilation heat recovery system 1930 External wall insulation for half of house, solid wall internal, underfloor, loft - floor and roof, cavity wall insulation of extensions Passive ventilation with heat recovery, underfloor heating Large extension with passive solar gain and daylighting 2016, 2017
Rathmore Road: CB1 Thumbnail image for Rathmore Road: CB1 Low energy new build built for beauty, sociability and minimum running costs 2015 Highly insulated and triple glazed factory made wall units, underfloor, roof A' rated gas boiler with magnetic filter, 7 zone ground floor underfloor heating, PV Acrylic bathroom panels, Marmoleum flooring, oak staircase 3000 ltr rainwater harvesting for toilets, fire sprinkler system and garden use Floor wash lighting with motion sensors, half-hour fire doors 2016, 2017, 2018, 2019
K1 Cambridge at Marmalade Lane: CB4 Thumbnail image for K1 Cambridge at Marmalade Lane: CB4 A range of low-energy Swedish Trivselhus homes 2017 Highly insulated factory made panel walling, triple glazed windows and doors Passive solar heat gain, air source heat pumps, mechanical ventilation with heat exchange Factory made panel construction Low water use fittings Co-housing with additional shared garden, workshop and office 2016, 2017, 2018, 2019
Gwydir Street: CB1 Thumbnail image for Gwydir Street: CB1 In-progress renovation. Victorian terrace with urban small holding vibe 1890 Loft, internal wall insulation with air vent, double glazed sash windows Woodstove. Aiming for EnerPHit energy standard over long term Chickens, quails, raised beds, Sheffield stands for bikes 2016, 2019
High Street – Girton: CB3 Thumbnail image for High Street – Girton: CB3 Detached renovation 1920 Retrovive underfloor insulation, cavity wall insulation, external and internal wall insulation, double glazing Solar PV, low energy lightbulbs (CFL/LED), new boiler, heating zones, radiator controls. Well water for toilet cistern and garden Vegetable garden and composting 2017
Cambridge Mosque: CB1 Thumbnail image for Cambridge Mosque: CB1 Europe's first eco-mosque 2019 EPC A rating Solar heat gain, air source heat pumps, heat recovery system, natural evaporative cooling, energy efficient appliances, underfloor heating Timber frame structure Rainwater harvesting 2017, 2019
Nutters Close: CB3 Thumbnail image for Nutters Close: CB3 Detached 2012 Cavity and loft insulation, double and triple glazing Air source heat pump, underfloor heating, PV array, computer controlled lighting system, wood burning stoves Cedar, oak, elm, Lake District slate, Hoskins 'Old Duxford' bricks Wheelchair accessible ground floor cloakroom and bedroom with wet-room. Landing library leading to cantilevered balcony 2018
Eddington Hill Show Home: CB4 Thumbnail image for Eddington Hill Show Home: CB4 End Terrace 2018 Cavity wall, triple glazing LED lighting, A rated appliances, underfloor heating, district heating system, MHVR, PV system, provision for charging electric vehicle Rainwater harvesting and filtering for washing machines and toilets (low flush), flow regulators on taps and showers Sedum roof 2018
Auckland Road: CB5 Thumbnail image for Auckland Road: CB5 Custom built, detached 2009 Roof, walls, floors, green roof Energy efficient appliances Natural materials: low VOC paints, wood, stone Dual low flush toilets, green roof ‘Keep it simple’ principle: maximise insulation, natural daylight, air-tightness 2019
The House Built in 3 Days: CB1 Thumbnail image for The House Built in 3 Days: CB1 Custom, factory-built timber house 2015 Roof & floor, wood fibre wall, triple glazing, electric & fixed shading Mechanical ventilation with heat recovery, underfloor heating, solar PV, solar cache PV hot water heating, wood stove, hot water circulation pump Wood frame, larch cladding, wood, no PVC, MDF, paint toxins Electro-smog barrier 2017-2020
1930s Eco-Retrofit & Loft Extension: CB3 Thumbnail image for 1930s Eco-Retrofit & Loft Extension: CB3 Semi-detached, thorough retrofit, part DIY 1930s Internal and external wall, flat and pitched roof, double and triple glazing Mechanical ventilation with heat recovery, condensing combi boiler Wood fibre insulation, Fermacell Low volume flush toilets, low flow showers 2015, 2016, 2020
Stylish Low Energy Self-Build: CB1 Thumbnail image for Stylish Low Energy Self-Build: CB1 New-build, detached 2018 Structural insulated panels, floor, triple glazing Underfloor heating, mechanical ventilation with heat recovery, solar PV with Iboost diverter Zinc, cedar, limestone, timber 2018, 2020
Victorian Family Home with 21st Century Insulation: CB1 Thumbnail image for Victorian Family Home with 21st Century Insulation: CB1 Mid-terrace, retrofit 1880s-90s Internal and external wall, external roof, underfloor, triple glazing, doors Condensing gas boiler, solar PV with Iboost diverter, wireless thermostatic radiator valves, woodburner, renewable energy supplier Recycled slate, reused wood Water butt, low volume flush toilets 2019, 2020
More Space, Less Energy: CB23 Thumbnail image for More Space, Less Energy: CB23 Semi-detached, retrofit, Passivhaus extension, largely DIY 1945 External wall, underfloor, triple glazing, very high airtightness Solar PV with diverter, mechanical ventilation with heat recovery, modern boiler timber, low mass roof tiles, aerated block, wood cladding 2019, 2020
Getting off Gas: CB2 Thumbnail image for Getting off Gas: CB2 Terraced, retrofit 1880s-90s Internal and external wall, improved air tightness, Passivhaus windows and external doors Air source heat pump, mechanical ventilation, ceiling fans, external blinds, patio pergola 2020
Carbon Neutral Studio Flat: CB3 Thumbnail image for Carbon Neutral Studio Flat: CB3 First floor flat in self built barn 1995 Well insulated fabric, continuous vapour barriers, double and triple glazing Solar PV, air source heat pump, mechanical ventilation with heat recovery Reclaimed & repurposed materials Rainwater and ground water harvesting Acoustic separation between ground & first floors 2012, 2020
Country in the City (Madingley Road): CB3 Thumbnail image for Country in the City (Madingley Road): CB3 Detached, custom built to fit its garden 2010 External wall, underfloor, thermal mass, high performance double glazed Ground source heat pump, underfloor heating, solar thermal panels, woodburner, heat recovery & ventilation, passive solar gain Wood, stone, Marmoleum Rainwater harvesting 2010-2020