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Grove Cottage
Extension & Refurbishment of Victorian Townhouse using Passivhaus methodology and CarbonLite guidance. Certified to the Passivhaus Institute's new EnerPHit (refurbishment) Standard. CAUTION wrt forecast vs measured performance data: first 18 months after construction work can involve a lot of 'drying out', this can potentially temporarily double space heat requirements. PHPP certification is based on 20 C, rather than the 21 C the house was heated to during 2010/11. Forecasts are based on a 'typical year' rather than the 'actual' year being monitored. Measured data here is from 2005/06 (before) and 2009/10 (after). Measured room temperatures show an average of 21 degrees centigrade during the heating season. Please note the final air leakage as certified under EnerPHit was an N50 of 1.0 ACH. When adjusted for 2010 average monthly temps.& an internal temp. of 21 C, PHPP predicted a space heat demand of 36kWh/m2.a whereas 35kWh/m2.a was measured.| Construction type | Solid Brick | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Private Residential |
| Location | Hereford Herefordshire | Project owner | Simmonds.Mills Architects |
 | Passivhaus certified building | ||
Grove Cottage
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 55 kg CO₂/m².yr | 22 kg CO₂/m².yr | 25 kg CO₂/m².yr |
|---|---|---|---|
| Primary energy requirement | 284 kWh/m².yr | 108 kWh/m².yr | 120 kWh/m².yr |
| Annual space heat demand | - | 25 kWh/m².yr | 35 kWh/m².yr |
- Whole house calculation method : PHPP
- Floor area : 135m²
- Airtightness : 0.88 m³/m².hr @ 50 Pascals
Planned occupancy : 2 adults and 3 children.
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East Cambusmoon Farm - New House
This new house replaced a run-down Victorian farmhouse, and re-attaches to a 150 year old adjacent barn. The house has four bedrooms, three bathrooms and is occupied by two adults and two young children. The site is in an exposed rural location in the west of Scotland with no shelter to previaling winds.| Construction type | Timber frame | Project type | New build |
| Property type | Detached | Sector | Private Residential |
| Location | Gartocharn, Loch lomond Strathclyde | Project owner | - |
East Cambusmoon Farm - New House
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | - | 26 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | - | 108 kWh/m².yr | - |
| Annual space heat demand | - | 40 kWh/m².yr | - |
- Whole house calculation method : -
- Floor area : 246m²
- Airtightness : 4.8 m³/m².hr @ 50 Pascals
Planned occupancy : 4 people
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051_Rectory
_The renovation and retrofitting of a Grade II listed building. _Partial re-design of the layout of the house and improvement of all external spaces._Upgrading of thermal and acoustic performance._To plan for old age contingencies.| Construction type | Solid Brick | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Private Residential |
| Location | London London | Project owner | Arboreal Architecture |
051_Rectory
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | - | - | - |
|---|---|---|---|
| Primary energy requirement | - | - | - |
| Annual space heat demand | - | - | - |
- Whole house calculation method : PHPP
- Floor area : 200m²
- Airtightness : -
Planned occupancy : -
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2050 Now! Achieving the standards for 2050, and the potential role for innovative heating solutions in thermally improved homes
The project will be improving four homes to different levels and exploring the performance of new heating solutions to achieve the optimum balance of energy performance vs. heating input for these different technologies. The three main innovative heating technologies in this project are Baxi's Ecogen domestic CHP (dCHP), Baxi's Ambiflo ASHP and Nuaire's Sunwarm (combined positive input ventilation, solar thermal heating and solar hot water). The dCHP units will be installed in relatively worse performing households and the ASHP units in well insulated houses to understand the level of performance needed from homes to create the right environment for these technologies to achieve significant carbon savings.| Construction type | Masonry Cavity | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Public Residential |
| Location | Newark Nottinghamshire | Project owner | Nottingham Community Housing Association |
2050 Now! Achieving the standards for 2050, and the potential role for innovative heating solutions in thermally improved homes
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 176 kg CO₂/m².yr | 28 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | 683 kWh/m².yr | 121 kWh/m².yr | - |
| Annual space heat demand | - | 64 kWh/m².yr | - |
- Whole house calculation method : SAP
- Floor area : 81.4m²
- Airtightness : -
Planned occupancy : Three people
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A2 Dominion- Bournemead Close, Northholt,
This typical semi-detatched property has poor orientation for exploiting solar gain and the residents will remain in their home during the works, making this a particularly hard to treat property. The rewards however are great, with approx 5.9 million semi detatched properties in England which could be treated similarly. We aim to deliver a highly cost effective and replicable solution, using innovative solutions such as the "solar shed", blown underfloor insulation, cork external insulation and bio-foam loft insulation in a wholistic design approach. The proposals have been detailed and specified with a strong emphasis on UK based expertise and technologies.| Construction type | Masonry Cavity | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Public Residential |
| Location | London Borough of Ealing London | Project owner | Breyer Group PLC |
A2 Dominion- Bournemead Close, Northholt,
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 21 kg CO₂/m².yr | 9 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | 99 kWh/m².yr | 41 kWh/m².yr | - |
| Annual space heat demand | - | 29 kWh/m².yr | - |
- Whole house calculation method : PHPP
- Floor area : 80m²
- Airtightness : -
Planned occupancy : For the SAP and PHPP modelling an occupancy of 2.1 people has been assumed as per the TSB competition requirements. For the hot water assumptions for sizing the solar thermal system an occupancy of 3 people was assumed which we feel is a more realistic figure for a 3 bedroom house.
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A2Dominion- Pinner Road, North Harrow
Retrofit of 2 x Semi detached houses via external insulation allowing tenant to remain in residence during construction| Construction type | Solid Brick | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Public Residential |
| Location | Harrow London | Project owner | Breyer Group PLC |
A2Dominion- Pinner Road, North Harrow
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 1 kg CO₂/m².yr | 3 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | 5 kWh/m².yr | 14 kWh/m².yr | - |
| Annual space heat demand | - | 31 kWh/m².yr | - |
- Whole house calculation method : SAP
- Floor area : 144.5m²
- Airtightness : -
Planned occupancy : 5 x people.
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Addressing Energy Consumption and Climate Change Adaptation in non-South facing, post-Decent Homes properties.
61 Warwall Road is an east-west facing, brick cavity construction, mid terrace house built in 1992. This type and era of dwelling correspond to approximately 100,000 similar social properties in England alone. We have developed a holistic strategy that will reduce the CO2 emissions of our proposed property by 80% whilst addressing how existing homes can adapt to climate change in the future. Our proposal is a combination of existing technologies used along side new innovative solutions to form a comprehensive strategy to reduce heating, hot water and electricity use. The underlying strategy is replicable across all terraced housing.| Construction type | Masonry Cavity | Project type | Refurbishment |
| Property type | Mid Terrace | Sector | Public Residential |
| Location | London London | Project owner | East Thames Housing Association |
Addressing Energy Consumption and Climate Change Adaptation in non-South facing, post-Decent Homes properties.
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 53 kg CO₂/m².yr | 22 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | 263 kWh/m².yr | 109 kWh/m².yr | - |
| Annual space heat demand | - | 40 kWh/m².yr | - |
- Whole house calculation method : SAP
- Floor area : 83.7m²
- Airtightness : -
Planned occupancy : The current tenants have lived at the property for nearly 17 years. The presence of a long term, sitting tenant will help the team to collect valuable operating energy use data and demonstrate the impact of our behavioural change measures. It is proposed that the tenants will remain throughout phase 2. Close communication and considerate construction practices will help to avoid decanting the residents. We believe this is important to enhance the scalability of our proposals.
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Adelaide Waters Almshouses, Cambridge
This project will focus on a mid-terrace, 1-bed almshouse property in Seymour Street, Cambridge. Our approach to energy saving and CO2 reduction is to follow a lean-clean-green hierarchy: seeking to minimise heat losses from the property's thermal fabric and ventilation method; to supply residual space and water heating using replicable, low carbon technology; to minimise lighting and appliance energy loads; and finally to consider micro-generation using proven, renewable energy systems.| Construction type | Solid Brick | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Public Residential |
| Location | Cambridge Cambridgeshire | Project owner | Cambridge Housing Society |
Adelaide Waters Almshouses, Cambridge
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 357 kg CO₂/m².yr | 43 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | 1511 kWh/m².yr | 223 kWh/m².yr | - |
| Annual space heat demand | - | 79 kWh/m².yr | - |
- Whole house calculation method : SAP
- Floor area : 26.8m²
- Airtightness : -
Planned occupancy : Property is currently void, but suitable new tenants will be found who buy into the monitoring strategy. They will be fully briefed on their new home and given a simple home information pack to explain the various technologies and controls along with local community facilities, recycling centers and public transport.
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Barbrook PassivHaus Retrofit
Retrofit 2 semi-detached properties to PassivHaus standard.| Construction type | Other | Project type | Refurbishment |
| Property type | Semi-Detached | Sector | Public Residential |
| Location | Barbrook Devon | Project owner | Energy Action Devon |
Barbrook PassivHaus Retrofit
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | 157 kg CO₂/m².yr | 9 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | 663 kWh/m².yr | 77 kWh/m².yr | - |
| Annual space heat demand | - | 12.9 kWh/m².yr | - |
- Whole house calculation method : SAP
- Floor area : 71m²
- Airtightness : -
Planned occupancy : 2-3 people, out to work or school for part of the day on weekdays.
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Belvoir Cottage
Belvoir Cottage has been designed as a modern version of a traditional Kentish cottage with dormer windows and catslide roof. It has, within the constraints of the LPA, been designed using low energy PH methodology meeting the PHPP criteria. The foundation system used was the first Isoquick PHI certified installation in the UK. A novel all timber I-beam construction method is used which reduces thermal bridging to a minimum. The majority of components used have PHI certification.| Construction type | Other | Project type | New build |
| Property type | Detached | Sector | Private Residential |
| Location | Ash, Canterbury Kent | Project owner | - |
Belvoir Cottage
View This Project| Pre-dev | Forecast | Measured | |
| CO₂ emissions | - | 13 kg CO₂/m².yr | - |
|---|---|---|---|
| Primary energy requirement | - | 54 kWh/m².yr | - |
| Annual space heat demand | - | 15 kWh/m².yr | - |
- Whole house calculation method : PHPP
- Floor area : 111.2m²
- Airtightness : -
Planned occupancy : Two adults full time