Annexe extension and flue at 38 Brook Lane, Corfe Mullen

What was proposed

The application sought a rear flat-roof extension to the existing detached annexe, joining it to the dwelling, together with a flue.

“Description of development The proposed development is to erect an extension to the existing annexe, and a flue. The annexe is a detached building with a pitched roof that sits forward of the dwelling and is positioned along the southern (side) boundary. It is proposed to add a flat roof extension at the rear of the annexe joining to the side of the dwellinghouse. The position of the proposed flue would be immediately to the rear of the existing annexe.”

Officer report

Earlier applications

Earlier permissions included converting a four-bay garage into ancillary accommodation, while a proposed lawful-use certificate for habitable accommodation was not lawful.

“3/21/0610/HOU - Smallholdings, 38 Brook Lane, Corfe Mullen, Wimborne, BH21 3RD - Convert four bay detached garage into accommodation ancillary to dwelling house – Granted on 03/12/2021.”

“3/20/1934/CLP (Certificate of lawfulness proposed) - Smallholdings, 38 Brook Lane, Corfe Mullen, Wimborne, BH21 3RD - Convert row of four garages into habitable accommodation for single occupancy ancillary to main dwelling - Not Lawful on 08/03/2021.”

Officer report

Consultation responses

Highways, trees, water, natural environment and the town council raised no objection, while ward members supported the proposal subject to ancillary use concerns.

“Surface water must be disposed of via the SuDS Hierarchy which is subject to Building Regulations and NPPF. The development site is in an area of low suitability for infiltration, and therefore surface water may be discharged via the 375mm Public Surface Water Sewer in Brook Lane.” • Foul drainage “The nearest suitable size for size point of discharge is the 150mm Public Foul Sewer in Brook Lane. Connection can be made via the existing connection.”

“Corfe Mullen Town Council - Received on 19/12/2025: No Objection - requested that a condition is placed on the annexe to remain ancillary to the main dwelling. Cllr Scott Florek – Corfe Mullen Ward Member - Received on 03/12/2025: Support • plans appear to be in keeping with the character of the surrounding area and will enhance the usability of the property without causing harm to local amenity.”

Officer report

Public views

The application was advertised by site notice, and no public comments were received.

“Other Representations Received The application was advertised by site notice. No comments were received.”

Officer report

Who spoke

Councillor Scott Florek spoke for Councillor Duncan Sowry-House in support of the small, discreet extension for multigenerational living.

The vote

A motion to approve the application was proposed and seconded but fell at the vote; a motion to refuse then received support.

“Members questions and comments • Noted that the proposal would have limited impact on openness. • Sought clarification on whether there would be access from the proposed annex into the existing dwelling or if they would remain separate. • Queried what harm, if any, the proposal would cause to the surrounding area. • Asked whether the extension constituted a disproportionate addition to the annex or the main building.”

“Having had the opportunity to discuss the merits of the application and an understanding of all this entailed; having considered the officer’s report and presentation; the written representatives; and what they had heard at the meeting, a motion to GRANT the officer’s recommendation and REFUSE the application, was proposed by Cllr Spencer Flower, and seconded by Cllr Alex Brenton, subject to conditions set out in the officer report.”

Minutes