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Keep up to dateReducing CO2 emissions from transport and operational energy - These low-carbon/renewable technologies were considered for a poor location but will vary depending on site constraints and location: | |||
Ìý | £/m2 | Total added | BREEAM |
50 cycle storage spaces, changing facilities and lockers for 10% of building occupants (showers considered standard as part of sports facilities) | 1.44 | 4,500 | 1 |
Photocell control on external lighting (no additional cost for implementing energy-efficient external luminaries which are required to achieve this credit) | 0.20 | 620 | 1 |
20 cycle storage spaces, changing facilities and lockers (showers considered standard as part of sports facilities) | 0.58 | 1,800 | 1 |
Three days of a consultant’s time to consult and assist in the development and implementation of an extensive travel plan | 0.67 | 2,100 | 1 |
Additional energy sub-metering (ºÃÉ«ÏÈÉúTV Regulations only require it for 90% of the building) plus wiring and splitting distribution boards. There is no additional cost for providing sub-meters with a pulsed output | 3.52 | 10,971 | 2 |
Ground source heat pump (GSHP) for heating demand. This reduces CO2 emissions by 4.55kg/CO2/m2 (cost based on £7.81/kg/CO2 saved) | 35.58 | 110,874 | 8 |
Photovoltaics (PV) for electricity demand. This reduces CO2 emissions by 11.36 kg/CO2/m2/year (£14.08/kg/CO2 saved) | 166.98 | 520,321 | 5 |
Solar thermal collectors for heating water. This reduces CO2 emissions by 2.77kg/CO2/m2/year (cost based on £7.16/kg/CO2 saved) | 19.83 | 61,794 | 1 |
Biomass boiler for heating and hot water demand. This reduces CO2 emissions by 9.94 kg/CO2/m2 (cost based on £1.84/kg/CO2 saved) | 24.36 | 75,920 | 11 |
Wind energy for electricity demand. This reduces CO2 emissions by 5.93 kg/CO2/m2 (£2.81/kg/CO2 saved) | 16.67 | 51,953 | 3 |
Improving the indoor environment | Ìý | Ìý | Ìý |
Two days of design team time to prepare an appropriate thermal model of the school to ensure areas are appropriately heated and cooled throughout year | 0.61 | 1,900 | 2 |
Four mains-fed water coolers (one for every 1,000m2) | 0.64 | 2000 | 1.83 |
Additional luminaires in offices for zoning and additional separate lighting controls in classrooms | 1.00 | 3116 | 0.83 |
Install thermostatic radiator valves on all radiators | 1.00 | 3116 | 0.83 |
Install high-frequency lighting ballasts to all luminaires | 3.75 | 11,685 | 0.83 |
Occupant-controlled blinds in all occupied areas to reduce glare | 12.00 | 37 392 | 0.83 |
Improving the land use and ecology | Ìý | Ìý | Ìý |
One day of design team time to consult Local Wildlife Partnership and obtain advice in protecting local wildlife species. Includes fee to join group | 0.28 | 885 | 1.25 |
Conduct four consultation workshops from which the design team receive and provide feedback to improve the design of the school grounds | 0.45 | 1,400 | 1.25 |
Minimising the impact on the local area | Ìý | Ìý | Ìý |
Commissioning agent to monitor commissioning of building services. ºÃÉ«ÏÈÉúTV is naturally ventilated therefore minimal commissioning; there is an additional cost for commissioning complex systems | 0 | 0 | 0.75 |
One day of design team time to publicise building information on the website | 0.16 | 500 | 0.75 |
Registering for Considerate Constructors’ Scheme | 0.13 | 400 | 0.75 |
Two days of design team time to carry out local consultation on the school design and address this issue | 0.45 | 1,400 | 1.5 |
Two days of design team time to compile a non-technical building user guide for the building occupants and facilities managers | 0.39 | 1,200 | 0.75 |
One day of design team time to carry out consultation with architectural liaison officer (this is a free service) to identify measures for reducing crime | 0.22 | 700 | 0.75 |
Three days of commissioning agent’s time to carry out seasonal commissioning on building services | 0.39 | 1,200 | 0.75 |
Secured access to external double-leaf door with keypad for shared facilities | 0.51 | 1,600 | 0.75 |
Four days of design team time to complete CIBSE ease of maintenance checklist | 0.9 | 2,800 | 0.75 |
Three days involvement by design quality indicator (DQI) facilitator in consultation process | 0.96 | 3,000 | 0.75 |
Completing whole-life cost model to strategic level | 1.6 | 5,000 | 0.75 |
Completing whole life cost model to component level (previous credit required) | 1.6 | 5,000 | 0.75 |
Setting up recycling policies and procedures with the school | 0.22 | 700 | 0.556 |
Reducing the impact of materials | Ìý | Ìý | Ìý |
Four recycling bins | 0.39 | 1,200 | 0.556 |
One day of design team time spent collecting information about responsibly sourced timber (no additional cost for specifying responsibly sourced timber) | 0.22 | 700 | 0.556 |
Replacing 50% of vinyl flooring with linoleum in circulation area | 0.60 | 18,700 | 0.556 |
Replacing additional 30% of vinyl flooring with linoleum in circulation area (previous credit required) | 0.36 | 1,122 | 0.556 |
Replacing tarmacadam with permeable paving. There is no additional cost for minimising water course pollution where permeable paving has been specified for low-risk pollution areas | 2.19 | 6,835 | 1.626 |
Robust fittings and finishes such as bollards, kick plates and skirting | 7.70 | 23,993 | 0.556 |
Reducing pollutants that are harmful to the environment | Ìý | Ìý | Ìý |
Insulation with a Global Warming Potential (GWP) of less than five | 0 | 0 | 1.07 |
External lighting in compliance with the Institute of Lighting Engineers guidance | 0 | 0 | 1.07 |
Installing low NOx boiler (delivered space heating energy %8D 40 mg/KWh at 0% excess O2 and %8D 100 mg/KWh delivered water-heating energy) | 0.08 | 258 | 3.21 |
Two days design team time to develop renewable energy feasibility study | 0.45 | 1,400 | 3.21 |
Infiltration trenches in addition to permeable paving to provide a sustainable urban drainage system (SUDS)%5B10%5D | 2.50 | 7,798 | 1.07 |
Three days of design team time to integrate environmental learning aspects into the building and landscape | 0.58 | 1,800 | 0.75 |
Reducing mains water consumption | Ìý | Ìý | Ìý |
Installing: 4/2 litre dual-flush toilets, aerated taps and 4.5 l/min showers | 0 | 0 | 1.428 |
Mains leak detection system | 0.19 | 600 | 0.714 |
Water meter with a pulsed output | 0.21 | 650 | 0.714 |
Sanitary supply shut-off to bathroom facilities | 0.90 | 2,800 | 0.714 |
Rainwater harvesting system and provide plumbing | 3.66 | 11,413 | 1,428 |
Ìý | Ìý | Pass | Good | Very good | Excellent | ||||
Ìý | Ìý | Capital cost | £/m2 | Capital cost | £/m2 | Capital cost | £/m2 | Capital cost | £/m2 |
Good location | 21.1 — Unclassified | 0 | 0 | 0.2 | 3.3 | 0.8 | 14.4 | 3.9 | 66.5 |
Poor location | 12.8 — Unclassified | 0.1 | 1.3 | 0.5 | 9.2 | 2.7 | 45.4 | 4.4 | 75.7 |
Ìý | £/(kgCO2) | Assuming |
Solar thermal | £7.16 | £400/m2, 320kWh/m2, utilisation 90%, 0.194kgCO2/kWh |
Photovoltaics | £14.08 | £6400/kWp, at 800 kWh/kWp, 0.568kgCO2/kWh |
Wind | £2.81 | £42,000, 15kW, 20% capacity factor, 0.568kgCO2/kWh |
Biomass | £1.84 | 8% load factor, £250/kW extra cost (small) |
GSHP | £7.81 | 8% load factor, £750 /kW(heat)COP 5, 0.442kgCO2/kWh grid electricity |
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