Climate Change - adaptation, mitigation and energy

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To ensure that new developments are appropriately adapted to the potential future impacts of climate change and to minimise their own impact on greenhouse gases, flooding, heat gain and water resources.

Read the background on Climate Change - adaptation, mitigation and energy

Question 1.1

Objective

To ensure that the development is designed to withstand predicted increases in the frequency of localised flooding.

Importance: Importance

Question

What measures have been taken to reduce the contribution the development may make to flash flooding?

Targets and Justification

Best
Site is demonstrated to be able to contain rainfall from at least 1:500 year events
Good
Site is demonstrated to be able to contain rainfall from 1:250 year rain events
Minimum
Site is demonstrated to be able to contain rainfall from 1:100 year rain events

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.2

Objective

To reduce the heat island effect inherent to urban areas through passive design measures. On warm summer days, the air in urban areas can be 6-8°F hotter than surrounding areas. Scientists call these areas "urban heat islands". This is due to building materials (particularly darker materials such as tarmac, and heavier materials such as concrete) absorbing and radiating heat.

Importance: ImportanceImportance

Question

Does the development seek to reduce the likelihood of contributing to a heat island effect through:

  1. Passive Design for Solar Shading
  2. Design to enable air flow throughout the development
  3. Green roofs and/or vegetated walls
  4. Provision of appropriate shaded green space and tree cover
  5. Open water and fountains in public spaces (NOTE: design should allow for solar power of fountains)
  6. Shaded public spaces and footpaths

Targets and Justification

Best
A design strategy which addresses all of the points
Good
A design strategy which addresses at least points A and B
Minimum
See relevant local planning authority standard

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.3

Objective

To reduce the overall consumption of clean water for non-potable uses.

Importance: ImportanceImportance

Question

What percentage of the total roof area in the development is designed to allow the harvesting of rainwater for re-use and / or is covered by green roofs?

Targets and Justification

Best
75% of the roof area used for rainwater harvesting or green roofs; captured water used for irrigation and toilet flushing and/or washing machines
Good
50% of the roof area used for rainwater harvesting or green roofs
Minimum
See relevant local planning authority standard

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.4

Objective

To reduce the overall consumption of clean water for non-potable uses.

Importance: ImportanceImportance

Question

What % of households are connected to individual or communal rain water recycling systems to enable water re-use within the home or wider development?

Targets and Justification

Best
>70%
Good
25% - 70%
Minimum
See relevant local planning authority standard

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.5

Objective

To increase the overall efficiency of the development through energy efficient design and management.

Importance: Importance

Question

What steps has the developer taken to prepare an energy strategy for the proposed development to optimise the energy consumption of the site?

  1. Minimising energy demand for the site through orientation and passive solar design
  2. Maximising the thermal efficiency of individual buildings through thermal mass and insulation
  3. Minimising demand for water heating, space heating and cooling, lighting and power in individual dwellings through efficient equipment and controls
  4. Calculating the residual energy demand for the site
  5. Maximising the amount of the residual demand which can be provided through on-site generated renewable energy (either collective or on individual dwellings)
  6. Meeting the remaining demand efficiently, e.g. CHP (non-biomass or waste powered), district heating and cooling, ground source heating and cooling

Targets and Justification

Best
EST Best Practice plus steps A to F completed
Good
EST Best Practice plus steps B to E completed
Minimum
EST Best Practice

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.6

Objective

To promote the increased use of renewable energy sources to reduce dependence on fossil fuels producing CO2 emissions.

Importance: Importance

Question

What % of total site energy demand is produced from an on-site renewable scheme (e.g. wind, solar, hydro photovoltaic bank, CHP operating on biomass or waste)?

Targets and Justification

Best
100% (Zero carbon emissions)
Good
> 20%
Minimum
>10% (Check Local Policy Requirements)

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.7

Objective

To increase the use of sustainable heating techniques.

Importance: Importance

Question

To what extent does the development take into account the hierarchy for feasible heating systems

  1. Solar Water heating
  2. Co-generation, preferably powered by renewable
  3. Community Heating
  4. Heat pumps
  5. Gas condensing boilers and efficient temperature and timer controls

Targets and Justification

Best
B, A
Good
D, C
Minimum
E

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.8

Objective

To evolve an energy management scheme and provide the public with easy access to renewable energy information.

Importance: ImportanceImportance

Question

Will the site be smart metered, showing site occupiers net energy use, quantified over separate time periods?

Targets and Justification

Best
As Good Practice, plus metering data accessible for site occupants. Publicly accessible meter provided at energy source
Good
Site smart metered and information used to help evolve energy management scheme
Minimum
See relevant local planning authority standard for minimum required

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.9

Objective

To encourage the future use of active solar technologies where they are not initially supplied.

Importance: ImportanceImportance

Question

What percentage of the development is designed to allow future installation of active solar devices such as photovoltaic and solar hot water heating, where these are not fitted initially?

Targets and Justification

Best
>80%
Good
60-80%
Minimum
See relevant local planning authority standard

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.10

Objective

To provide easy access to site service and communications infrastructure, with minimal requirement disruption and need for reconstruction and allowing for future growth in services.

Importance: ImportanceImportance

Question

Will site heating / cooling / power / water / sewage and communications infrastructure running through the public realm be designed for easy access and allow for future expansion of services?

Targets and Justification

Best
Not yet established
Good
Single point access to infrastructure externally and space and additional ducting provided to allow for future expansion of services
Minimum
See relevant local planning authority standard for minimum required

Applies to Developments

This question applies to Small, Medium and Large developments.

Question 1.11

Objective

To ensure that the masterplan considers the site wide distribution of on-site produced renewable energy.

Importance: ImportanceImportance

Question

Will the developer make site wide provision for an energy infrastructure that allows renewable energy to be sustained on site?

Targets and Justification

Best
Not yet established
Good
Private wire networks for renewable energy transmission and CHP provided across the site through a single point and access service corridor
Minimum
See relevant local planning authority standard for minimum required

Applies to Developments

This question applies to Small, Medium and Large developments.

Development sizes

The checklist has been split into three different versions for different sizes of development:

Small
Up to 10 buildings
(up to 1000m²/0.5ha)
Medium
11 - 199 buildings
(up to 20000m²/10ha)
Large
200 - 5,999 dwellings
(over 20000m²/10ha)

If the development is for more than 6,000 houses, we recommend a bespoke checklist should be produced by the developer and local authority.

The set of questions for smaller developments is contained within the set of questions for larger developments.