Home extension and dormer at 3 Acorn Lane, Cambourne

What was proposed

The application proposed a single-storey side infill extension, entrance canopies, front and rear rooflights, front rooflights and a rear dormer.

“25/00610/HFUL – 3 Acorn Lane Cambourne Cambridgeshire CB23 6GS Application details Report to: Planning Committee Lead Officer: Joint Director of Planning and Economic Development Ward/parish: Cambourne / Cambourne Proposal: Single storey side infill extension with front and rear rooflights and entrance canopies, front rooflights and rear dormer roof extension.”

“Report contents Document section Document heading 1 Executive summary 2 Site description and context 3 The proposal 4 Relevant site history 5 Policy 6 Consultations 10 Planning background 11 Assessment 12 Principle of development 14 Design, layout, scale and landscaping 23 Amenity 24 Third party representations 29 Recommendation 30 Planning conditions Table 1 Contents of report 1.”

Officer report

The site

The site is a detached dwelling within Cambourne’s development framework, with parking and garden space, surrounded by residential properties.

“Site description and context 2.1 The proposal site is located within the Development Framework boundary of Cambourne. The application site is not within a conservation area and there are no listed buildings located within close proximity. There are no other relevant site constraints.”

“The site is a detached dwelling accessed via Monk Drive in Greater Cambourne. The site benefits from off-road parking and garden amenity space to the rear and side of the dwelling. The site surrounded by residential properties and close to Cambourne fitness and sports centre. The proposal 3.1 The application proposes a single storey side infill extension with front and rear rooflights and entrance canopies, front rooflights and rear dormer roof extension.”

Officer report

Earlier permission

A similar proposal was approved in April 2024, and this application changed the dormer design and materials, internal layout and rooflight numbers.

“A similar proposal was brought to Planning Committee on 10 th April 2024 with the refence 24/00652/HFUL. The application was approved. The application seeks to make changes to the proposed dormer window design and materials, internal reconfigurations and changes to the number of rooflights. 4.”

Officer report

Why officers supported it

Officers considered the design appropriate, with little effect on the street scene and negligible effect on neighbouring residential amenity.

“Officers consider that the proposal would have little impact on the character and appearance of the street scene and surrounding area, and an acceptable impact on the appearance of the existing dwelling.”

“The proposal will have a negligible impact on the residential amenity of neighbouring properties.”

Officer report

Consultation responses

The parish council supported the application, while no third-party representations or neighbour objections were received.

“Policy 5.1 National policy National Planning Policy Framework 2024 National Planning Practice Guidance National Design Guide 2021 5.2 South Cambridgeshire Local Plan (2018) #Delete if not relevant S/1 – Vision S/2 – Objectives of the Local Plan S/3 – Presumption in Favour of Sustainable Development S/7 – Development Frameworks HQ/1 – Design Principles 5.3 Supplementary Planning Documents (SPD) Biodiversity SPD – Adopted February 2022 Sustainable Design and Construction…”

“The above representations are a summary of the comments that have been received. Full details of the representations are available on the Council’s website. Third party representations 7.1 No third party representations have been received.”

Officer report

Who answered questions

The Delivery Manager and Planning Officer explained why the application came to committee and addressed the dormer and rooflight arrangements.

The committee’s decision

The committee unanimously approved the application subject to the stated planning conditions, with minor amendments delegated to officers.

“The Delivery Manager summarised the officer’s recommendation and a vote was taken.”

“By unanimous vote, the Committee approved the application subject to: i. The planning conditions set out in the officer’s report with minor amendments to the conditions as drafted delegated to officers.”

Minutes