B16
Housing intensification planning statement
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
- Larger houses of multiple occupancy (HMO) (over 6 occupants)
- Conversion of single dwelling to two or more flats
What you need to include
- Demonstrate proposal meets space and room size standards
- Details of refuse storage
- Details of cycle storage
- Parking survey/assessment
- Details of concentration of HMOs in area.
Why it's required
The Council has produced a housing intensification advice note dated May 2023, this can be found at Development Management Housing Intensification Advice Note for Website 25.05.23.pdf. This sets out key considerations in the determination of applications which would result in the conversion of houses to two or more flats or Larger HMOs. These being highways/parking matters, amenity (neighbouring and future occupiers) and appearance.
B17
Design and Health Impact Assessment
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
- Residential development of 10 or more dwellings
- Residential development on a site area of 0.5 ha or more (if the number of dwellings is unknown)
- Development of floorspace of 1,000sqm or more
- Development on sites of 1 ha or more
- Change of use of 1,000sqm or more.
What you need to include
Design and Health Impact Assessment statements should assess how people will have access to ‘green’ space, outside space, adequate light etc.
Why it's required
Chapter 8 of the NPPF promotes healthy and safe communities, decisions should aim to achieve healthy, inclusive and safe places and beautiful buildings.
B18
Drawings for off-site highways works
This applies to planning applications submitted under
Maidstone and Swale borough councils.
When it's required
Where off-site highway works are proposed (details of which should also be included in the description of development).
What you need to include
Stand-alone drawings clearly showing the off-site highways works proposed and their location.
Why it's required
To make it clear in applications where off-site highways works are proposed, to ensure descriptions are correct (as any off-site highway works proposed as part of proposals should be included the description) and to ensure adequate neighbour and consultee consultation.
B19
Biodiversity enhancement plan
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
Any application where there is an increase in building footprint.
What you need to include
Details of the enhancement of biodiversity through integrated methods into the design and appearance of the extension/building/structure by means such as swift bricks, bat tubes or bee bricks, and through the provision within the site curtilage such as bird boxes, bat boxes, bug hotels, log piles, wildflower planting and hedgehog corridors.
On a scaled drawing, details of the type and number of the proposed ecological enhancements, as well as their intended positions, including, where appropriate, the appropriate height above ground level. Bird boxes should face north or east and bat boxes should face south. Where planting is proposed, supply details of the number of plants of each species as well as the intended size on planting (e.g. pot size in litres). Some helpful advice may be found at:
https://www.rhs.org.uk/science/conservation-biodiversity/wildlife/plants-for-pollinators https://www.rspb.org.uk/birds-and-wildlife/helping-birds-and-wildlife https://www.bats.org.uk/our-work/buildings-planning-and-development/bat-boxes https://www.wildlifetrusts.org/actions/how-build-hedgehog-home https://www.woodlandtrust.org.uk/blog/2019/09/how-to-build-a-bug-hotel/
Why it's required
Current policy and guidance included in the Local Plan, Residential Extensions SPD and the National Planning Policy Framework (NPPF), strongly encourage ecological enhancements as part of any proposed development and details should be submitted prior to determination.
B20
Plan demonstrating compliance with private open space standards
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
All new dwellings created through subdivision, conversion or new build.
What you need to include
An application should include scaled/dimensioned drawings which demonstrate that all flats/houses have adequate external amenity space, in accordance with relevant policy.
Why it's required
The NPPF promotes creating places that are safe, inclusive and accessible and which promote health and well-being, with a high standard of amenity for existing and future users. Maidstone Building for Life 12 provides information on public and private space, together with amenity space. Local Plan Review Policy LPRQD7 (Private amenity space standards) requires that all new dwellings created through subdivision, conversion or new build have adequate private amenity space with specific reference to the size and shape of gardens.
B21
Plans demonstrating meet internal space standards
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
All new dwellings created through subdivision, conversion or new build
What you need to include
Applications should demonstrate that the internal space standards are met, this could be through annotated/scaled/dimensioned drawings or tables which show room size standards are met.
Why it's required
The NPPF promotes creating places that are safe, inclusive and accessible and which promote health and well-being, with a high standard of amenity for existing and future users. Maidstone Building for Life 12 promotes standards of amenity. Local Plan Review Policy LPRQD6 (technical standards) requires that all new dwellings created through subdivision, conversion or new build meet the internal space standards set out.
B22
Information demonstrating accessible and adaptable dwellings M4(2)
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
All new dwellings created through subdivision, conversion or new build.
What you need to include
Applications should demonstrate that the standards are met, this could be through annotated/scaled/dimensioned drawings or tables which show that dwellings meet Part M4(2) of the Building Regulations.
Why it's required
The NPPF promotes creating places that are safe, inclusive and accessible and which promote health and well-being, with a high standard of amenity for existing and future users. Maidstone Building for Life 12 promotes standards of amenity. Local Plan Review Policy LPRQ&D6 (technical standards) requires that all new dwellings created through subdivision, conversion or new build meet Part M4(2) of the Building Regulations.
B23
Information demonstrating wheelchair accessible dwellings M 4(3)
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
For the affordable housing units whereby at least 15% shall be built and fitted out to the M4(3): Category 3 – Wheelchair User Dwellings requirement.
What you need to include
Applications should demonstrate that the standards are met, this could be through annotated/scaled/dimensioned drawings or tables which show that dwellings meet Part M4(3) of the Building Regulations.
Why it's required
The NPPF promotes creating places that are safe, inclusive and accessible and which promote health and well-being, with a high standard of amenity for existing and future users. Maidstone Building for Life 12 promotes standards of amenity. Local Plan Review Policy LPRQ&D6 (technical standards) requires that all new dwellings created through subdivision, conversion or new build meet Part M4(3) of the Building Regulations.
B24
Information demonstrating meeting higher levels of water efficiency
This applies to planning applications submitted under
Maidstone and Swale borough councils.
When it's required
All new dwellings created through subdivision, conversion or new build.
What you need to include
Applications should demonstrate that all new dwellings created through subdivision, conversion or new build will be built to ensure wholesome water consumption is not greater than 110 litres per person per day, which could be through confirmation in the Planning Statement.
Why it's required
There are separate reasons this is required, depending on whether you're submitting your application for Maidstone or Swale borough councils.
Maidstone
The NPPF promotes creating places that are safe, inclusive and accessible and which promote health and well-being, with a high standard of amenity for existing and future users. Maidstone Building for Life 12 promotes standards of amenity. Local Plan Review Policy LPRQ&D6 (technical standards) requires that all new dwellings created through subdivision, conversion or new build have adequate internal space, are accessible and adaptable and provide a higher level of water efficiency.
Swale
Local Plan Policy DM21 (water, flooding and drainage) requires that all new dwellings are built to ensure water consumption is not greater than 110 litres per person per day
B25
Archaeological information
This applies to planning applications submitted under
Maidstone and Swale borough councils.
When it's required
Proposals within areas of archaeological importance or heritage asset with archaeological interest.
What you need to include
Desk-based Archaeological assessment and where necessary, a field evaluation.
Why it's required
Identifying early in the application process any archaeological matters that may be raised, could negate the need to conditions.
A16
Parking stress survey for HMOs without 1:1 off street parking
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
If the proposal is a full planning application for a House in Multiple Occupation (HMO) either through conversion or new build.
What you need to include
Where an HMO proposal does not provide one off street parking for each new HMO bedroom, the application shall include a local parking stress survey. The parking stress survey shall include all roads within 200 metres walking distance of the application site with the survey following the separate published guidance on undertaking a survey.
Why it's required
To consider the potential on street parking impact of HMO proposals, as set out in the Maidstone HMO Supplementary Planning Document (adopted July 2025).
A17
Parking stress survey: development in a settlement
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
Require a parking stress survey where the following apply:
- Full planning application in a Local Plan designated settlement, and
- Development is residential conversion into two or more units or new build residential, and
- Development does not comply with the Kent County Council adopted parking standards.
What you need to include
Where a residential development in a designated settlement does not provide one off street parking in accordance with the adopted Kent County Council standards the application shall include a local parking stress survey. The parking stress survey shall include all roads within 200 metres walking distance of the application site with the survey following the separate published guidance on undertaking a survey.
Why it's required
To consider the potential on street parking impact of residential proposals in designated settlements.
B26
Maidstone Building for Life 12
This applies to planning applications submitted under
Maidstone Borough Council only.
When it's required
- Residential development of 10 or more dwellings.
- Residential development on a site area of 0.5 ha or more (if the number of dwellings is unknown).
What you need to include
Statement to demonstrate how Maidstone Building for Life 12 and the 12 questions have been used in the design of the development.
Why it's required
To demonstrate how the design process has sought to achieve quality outcomes.
B27
Coastal Erosion
This applies to planning applications submitted under
Swale Borough Council only.
When it's required
Proposals for development within Erosion Zones 1 and 2 (as defined on the Local Plan Proposals Map).
What you need to include
Coastal Erosion Vulnerability Assessment.
Why it's required
Within erosion zones an assessment must identify that development will be safe throughout its planned lifetime and will not increase risk to life or property.
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