Validation checklists - Prior approval: New Dwellings (via additional storeys containing flats or demolition of existing buildings to be replaced with a new dwelling or flats)

This is to be used for development under Schedule 2, Part 20, Classes A-AD and Class ZA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

A table showing forms and fees. Column one shows forms and fees, column two shows when required and column three shows further advice.
Forms and Fees	When Required	Further Advice
Application Form	It is mandatory to provide a written description of proposal, materials to be used and the developers contact address and email (if they wish to be contacted by email). For proposals under Class ZA the description should include: Details of the building proposed for demolition, the building proposed as replacement and the operations proposed. For proposals under Class A-AD the description should include: Details of any dwellinghouse and any other works proposed.	This should be provided in the application form submitted through the Planning Portal.
Application Fee*	Mandatory on all applications unless a valid exemption is applied.	You must submit a supporting document/cover letter explaining reason for exemption and any relevant accompanying evidence. Please note the Planning Portal admin fee still applies.

A table showing the plans and photographs required. Column one shows plans and photographs, column two shows when required and column three shows further advice.
Plans and Photos	When Required	Further Advice
Photos	Mandatory on all applications.
Site Location Plan	Mandatory on all applications.	This should be an up to date map of the site at a scale of 1:1250 or 1:2500 with the site outlined in red, should include all land necessary to carry out the proposed development (including access roads) and the direction of north as per NPPG guidance.
Existing and Proposed Elevations (to an accurate scale)	Mandatory on all applications.	This should be in the form of proposed plans and elevations to scale at 1:50 or 1:100 with a scale bar or key dimensions annotated.
Existing and Proposed Floor Plans	Mandatory on all applications.	This should be in the form of proposed plans and elevations to scale at 1:50 or 1:100 with a scale bar or key dimensions annotated. For proposals under Class ZA Please ensure to include the dimensions and use of all habitable and other rooms in each dwellinghouse in it/ the dimensions and use of all habitable and other rooms in it.

A table showing supporting documents and assessments. Column one shows supporting documents and assessments, column two shows when required and column three shows further advice.
Supporting Documents	When Required	Further Advice
Transport Statement	Mandatory for all Classes
Contamination Assessment	Required where there is potential risk of contamination, for example from previous uses, landfill, or unknown site history. The level of information should be proportionate, as contamination will not be relevant for every site but must be assessed where there is a reasonable likelihood of risk.
Design Statement including external materials and Protected Views Impact Assessment	Mandatory for all Classes i.e. where external appearance and protected views are for consideration.
Sunlight/Daylight Report	For Classes where the effect of sunlight/daylight is relevant to: future occupants of the development, neighbouring occupants.
Noise Impact Assessment	For Classes where impacts of noise from any commercial premises on the intended occupiers of the new dwellinghouses.
Demolition Statement/Construction Management Statement	Including hours of demolition/construction, mitigation for noise, dust, vibration, traffic, use of materials, disposal of waste.
Air Traffic/Defence Statement	Required where the site falls within an aviation or defence safeguarding area, or where the height or scale of the development could affect these interests. The level of information should be proportionate, as this will not be relevant for all sites but is required where necessary to support consultation with safeguarding bodies.
Heritage Statement	Mandatory for Class ZA only.	Written statement required in respect of heritage and archaeological considerations of the development.
Written Statement (this may be covered in the application form)	Mandatory for proposals under Class ZA and this should include: Number of buildings being proposed for demolition (if applicable). Number of new dwellinghouses being proposed. Mandatory for proposals under Class A-AD and this should include: The number of dwellinghouses proposed by the development (in addition to those already existing). A list of all addresses of any flats and any other premises in the existing building.
Fire Statement	Mandatory for applications under Class A and Class AA where the existing building is 18 metres or more in height and/or the development meets the fire risk condition.	Including a report from a chartered engineer or other competent professional confirming that the external wall construction of the existing building complies with paragraph B4(1) of Schedule 1 to the Building Regulations 2010.
Flood Risk Assessment	Mandatory if the site falls into an area within Flood Zone 2 or Flood Zone 3; or in an area within Flood Zone 1 which has critical drainage problems.	NPPF Vulnerability