Roof extension at 16 Hillside Gardens, Edgware

What was proposed

The application sought a hip-to-gable roof, rear dormer, rooflights and a matching gable roof over the first-floor side extension.

“Proposal: Roof extension involving hip to gable, rear dormer window with juliette balcony, 1no. rear and 3no. front facing rooflights. Change of first floor side extension roof from hip to gable roof to match main roof…”

Officer report

The site

The site is a semi-detached house outside a conservation area, with no listing or onsite tree preservation orders.

“Site Description The application site is located at 16 Hillside Gardens, consisting of a semi-detached dwellinghouse within the Edgware ward.”

“The site is not located within a conservation area and is not a listed building. There are no onsite TPOs.”

Officer report

Earlier applications

Four similar roof extension proposals were refused, while a later certificate of lawfulness covered a different two-stage scheme.

“Reference: 20/5372/HSE Address: Hillside Gardens, Edgware, HA8 8HE Decision: Refused Decision Date: January 2021 Description: Roof extension involving hip to gable, rear dormer windows with Juliet balcony and 5 no front facing rooflights Reason for refusal: The proposed roof extension by reason of its siting, design, size and scale would result in an unduly bulky, visually obtrusive form of development which would result in an incongorous addition which would fails to…”

“Reference: 25/1062/192 Address: Hillside Gardens, Edgware, HA8 8HE Decision: Lawful Decision Date: May 2025 Description: Removal of existing roof of two-storey side element and replacement with a flat roof (Stage 1); Roof extension involving hip to gable with rear dormer window, juliette balcony and 2no. front facing rooflights (Stage 2)”

Officer report

What officers recommended

Officers recommended refusal because the design, size and scale would create a bulky, intrusive and incongruous addition that harmed the house and area.

“AND the Committee grants delegated authority to the Service Director – Planning and Building Control to make any minor alterations, additions or deletions to the recommended conditions/obligations or reasons for refusal as set out in this report and addendum provided this authority shall be exercised after consultation with the Chair (or in their absence the Vice-Chair) of the Committee (who may request that such alterations, additions or deletions be first approved by the…”

“The proposed roof extension with the alteration to the two storey side extension roof, by reason of its siting, design, size and scale would result in an unduly bulky, visually obtrusive form of development which would result in an incongruous addition which would fails to respect the character and appearance of the host dwelling and character of the surrounding area contrary to policies CDH01 and CDH05 of the Barnet Local Plan (2025) and the Residential Design Guidance…”

Officer report

Neighbours’ response

Consultation letters were sent to six neighbouring properties, and no comments were received.

“Public Consultation Consultation letters were sent to 6 neighbouring properties. No comments received.”

Officer report

Who spoke

The planning officer presented the report, and the agent addressed the committee in support of the application.

Committee discussion

Members asked questions of the speakers and officers before discussing the officer’s recommendation.

“The Committee then had the opportunity to ask questions of the speakers and officers.”

“Following discussion, the Committee moved to a vote on Officer’s recommendations.”

Minutes

The vote

Four members voted for refusal, one voted against refusal and no members abstained.

“For – (refusal) 4 Against – (refusal) 1 Abstention – (refusal) 0”

Minutes

The decision

The committee refused the application.

“RESOLVED that the application be REFUSED.”

Minutes