Sustainability Draft Supplementary Planning Document

Bronze

Silver

Gold

Passive Design and Energy Efficiency

Building regs compliant

Passivhaus or LETI standard or equivalent

BREEAM 'Outstanding' or equivalent

On-site Low Carbon and Renewable Energy

Building regs compliant

At least 20% Renewable Energy provided.

50% or more reliance on renewable energy

Sustainable Transport

Transport statement/ assessment &

Travel plan

Demonstrating suitable site access and prioritisation of public transport.

Car & cycle parking provision in accordance with NHDC's Parking SPD

Additionally

Seeks to achieve 30% sustainable travel by including elements such as:

Car clubs/ ride sharing schemes

Community transport schemes

Cycle hire schemes

Also includes segregated cycle ways, pedestrian paths, away from motor traffic and integrated with green infrastructure

Ensure development is within short walking (5-10 mins) distance from a bus stop.

Incorporate a digital Mobility as a Service (MaaS) system providing real-time access to a range of public and private transport options such hail a ride bus service.

Site parking to include solar/PV car ports.

Air Quality

Air quality impact assessment

Demonstrating appropriate mitigation measures to address air pollution during all phases of development. &

Would not lead to deterioration in AQMAs

Includes measures prioritising sustainable and active travel and EV charging points (see Transport)

Includes air quality improvement strategy – e.g through GI provision/ Tree planting and separation from mortised traffic.

Waste

Site waste management plan (SWMP)

Demonstrating recycling of 10% of non-hazardous construction waste – diverting it from landfill

25% or more waste diverted from landfill

50% or more construction waste diverted from landfill – e.g. by utilising mobile recycling plan on site

Materials

Reclaimed materials

Low carbon alternatives

Locally sourcing

Timber used is sourced from sustainable sources ideally locally grown or FSC certified.

Plus Significant proportion of reclaimed materials used in construction

& use of low carbon alternative construction materials such as low carbon bricks and green concrete straw bales or 'hempcrete'

Whole Life Carbon Assessment (WLC) including post construction assessment

Includes WLC assessment See template

& achieves following scores

A1-A5 score <850

B-C (excl B6&B7) score <350

A-C (excl B6&B7) score <1200

A1-A5 score <500

B-C (excl B6&B7) score <300

A-C (excl B6&B7) score <800

Land use & Wildlife

Ecological survey

Management plan with mitigation and monitoring measures

identifying any priority habitat protected / priority species establishing potential impacts. (BS42020 or Biodiversity Metric 4.0)

Submission of management plan assessing impact on wildlife and demonstrating appropriate mitigation measures and monitoring

& includes wildlife housing (bats, bees, newt ponds) and creation of wildlife network.

& includes measures to improve habitat and wildlife

& links to strategic GI network

plus restoration of natural river/ waterbody courses seeking to enhance waterbody quality where appropriate.

Biodiversity net gain (BNG)

Biodiversity Net gain reporting (as per HNC Developer Contributions SPD) demonstrating 10% BNG

Greater than 10% BNG

Over 30% BNG

Development in vicinity of nationally / locally designated sites

Impact assessment demonstrating adequate mitigation with no residual adverse effects on designated biodiversity sites

Plus 12m complimentary habitat buffers around locally and nationally designated sites.

Plus LWS Enhancement strategy (where appropriate/ applicable) In addition to standard requirements

Green Infrastructure/

Provide open space enhancement and management plan.

Loss of open space to be replaced by equivalent or higher quality provision.

Plus well designed GI based on Natural England's GI Principles (see Green Infrastructure)

Additionally GI provision links to strategic GI networks in wider District.

Open space provision

As per NHDC open space standards

Open space provision also seeks to:

Enhance nature depleted areas

Includes features to enhance to biodiversity e.g. such as copses, ponds, ditches, rough area.

Open space sites link to local and / or strategic green corridors (GI) seeking to compliment the Nature Recovery Network by providing habitat connectivity.

Water efficiency standard within new dwellings (See Water Use)

As per policy and building requirements

Achieves water efficiency standard of 2 credits for category Wat 01 of BREEAM

Achieves full credits for category Wat 01 of BREEAM

Adaptation to Climate Change:

Surface water drainage strategy

Surface water run-off is managed as close to its source as possible with

a SuDS strategy and a maintenance plan.

Demonstrates that scheme will not increase downstream flood risk. Scheme must achieve greenfield run-off rates. Where this is demonstrably not feasible, a minimum 50% reduction will be required.

SuDS strategy in accordance with DEFRA's non-statutory SuDS technical standards

Runoff volumes from the development to any highway drain, sewer or surface water body in the 1 in 100 year, 6 hour rainfall event must be constrained to a value as close as is reasonably practicable to the greenfield runoff volume for the same event.

SuDS strategy also addresses the 4 pillars of SuDS

achieving better than greenfield (pre-development) run off rates.

System will not discharge to combined sewers.