Case Studies   Description Age Insulation Low-Carbon Materials Water Other Years Open
1930s Eco-Retrofit & Loft Extension

Case Study
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
Aberdeen Square

Case Study
Terrace 2010 Air source heat pumps, solar PV Aerating shower heads, dual flush toilets, water butt 2013
Ascham Road

Case Study
Semi-detached 1929 External wall, underfloor, double glazing Condensing boiler, wood burning stove, solar PV Reclaimed timber 2014
Auckland Road

Case Study
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
Bishop's Road

Case Study
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
Bury Road
CB22 5BP

Case Study
Semi-detached 1957 Cavity wall, loft, and underfloor. Double glazing Low energy bulbs, solar PV, mechanical ventilation heat recovery 2013
Cambridge Mosque

Case Study
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
Carbon Neutral Studio Flat

Case Study
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
Cheney Way

Case Study
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
Chesterton Road

Case Study
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
Coleridge Road

Case Study
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
Coton Village Hall
CB23 7PL

Case Study
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
Country in the City

Case Study
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
Eachard Road

Case Study
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
Eco Hub - Gamlingay
SG19 3QP

Case Study
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
Eddington Hill Show Home

Case Study
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
Eltisley Avenue

Case Study
Mid-terrace, innovative low-cost ecorenovation 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

Case Study
Semi-detached 1940s External wall, loft, double glazing Low energy lighting 2014
Fen Road

Case Study
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
Foster Road

Case Study
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
Getting Off Gas

Case Study
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
Gilbert Road

Case Study
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
Gwydir Street

Case Study
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
Harvey Goodwin Avenue

Case Study
Detached 1920 External wall, underfloor, roof, double glazing, triple glazed roof light Condensing gas boiler, low energy bulbs, LEDs, solar thermal 2014, 2018
High Street - Pease House

Case Study
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
High Street - Pease House

Case Study
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
Hills Road

Case Study
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
Huntingdon Road

Case Study
Semi-detached 1890s Internal wall, double glazing, draught stripping, air sealed windows Solar PV, low energy lighting, thermostatic radiator valves 2014
K1 Cambridge at Marmalade Lane

Case Study
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
Knight's Way
CB24 6DE

Case Study
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
Laburnum Close

Case Study
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
Lingrey Court

Case Study
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
Macfarlane Close
CB24 9LZ

Case Study
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
Magnolia Close

Case Study
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
Melbourne Place

Case Study
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
Midsummer Common

Case Study
Narrowboat 2001 Hull, spray-foam Solar PV, wind turbine, wood burning stove, LED bulbs 2013
Milton Road

Case Study
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
More Space, Less Energy

Case Study
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
Mowbray Road

Case Study
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
Neville Road

Case Study
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
New Street

Case Study
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
Nightingale Avenue

Case Study
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
North Street

Case Study
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
Nutters Close

Case Study
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
Nuttings Road

Case Study
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
Oxford Road

Case Study
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
Perowne Street

Case Study
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
Rampton Drift
CB24 3EH

Case Study
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
Rathmore Road

Case Study
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
Richmond Road

Case Study
Terrace 1896 Exernal 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
Ross Street

Case Study
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
Saint Barnabas Road

Case study
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
Saint John's Road

Case Study
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
Saint Margaret's Road

Case Study
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
Seymour Street

Case Study
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
Silverdale Avenue
CB23 7PP

Case Study
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
Silverwood Close

Case Study
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
Stylish Low Energy Self-Build

Case Study
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
The House Built in 3 Days

Case Study
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
Thoday Street

Case Study
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
Topcliffe Way

Case Study
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
Victorian Family Home with 21st Century Insulation

Case Study
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
Woodlark Close

Case Study
Detached 1930s Interior solid wall, loft, underfloor, double glazing Wood burning stove, underfloor heating, LED lighting 2014