Planning applications in Hertsmere

Demolition of the existing buildings at 29 Newlands Avenue. (Application for Prior Approval)

Single-storey rear extension. Depth: 8.00m, Height: 3.437m, Eaves: 3.00m (as amended by plans received on 08.09.2026).

Regularisation of existing use as an HMO (Class C4). Certificate of Lawful Development (Existing).

Conversion of house to 5x bed HMO (Class C4). Certificate of lawful development (Existing).

Erection of rear outbuilding. Certificate of Lawful Development (Proposed).

Variation of conditions 2 (plans) and 3 (materials) to allow for alteration to first floor and alterations to fenestration following the grant of planning…

Conversion of garage to habitable space to include removal of garage door and insertion of window to front elevation. Construction of a single storey front…

Single storey rear extension and conversion of garage to habitable space including removal of garage door with replacement window.

Application for approval of details reserved by condition 6 (Land Contamination) of planning permission reference 23/1135/OUT.

Removal of 2x existing EV chargers and ancillary equipment, and installation of 4x upgraded EV chargers with new ancillary equipment to car park.

Erection of outbuilding in rear garden for use as both a hair salon (Class E) and home office (Class C3).

Application for approval of details reserved by condition 4 (drainage) of planning permission reference 25/1437/FUL.

Application for a non-material amendment to allow for recessed ground floor feature integrating front door canopy following grant of planning permission…

Conversion of garage to habitable space to include replacement of garage door with front bay window and rear access doors. Alterations to fenestration to…

Application for approval of details reserved by condition 10 (CEMP) of planning permission reference 25/1853/FUL.

Construction of first-floor rear infill extension.

Conversion of loft to habitable space to include rear dormer.

Installation of rear conservatory.

First floor rear extension. Conversion of loft to habitable space to include rooflights and rear dormer. Conversion of garage to habitable space to include…

T1 oak to reduce from approximately 13m height to 11.5m and spread from 10m to 8.5m. Remove epicormic growth from trunk. The tree dominates a small garden…

2x Connifer Trees to fell. Located to the rear of the property.

Alterations to existing front dormer, new rear dormer, installation of rear rooflight and two side facing rooflights.

Existing use as an HMO (Class C4). Certificate of Lawful Development (Existing).

Demolition of existing detached garage and construction of part single, part two storey side and rear extension with new entrance porch and associated roof…

Change of Use from C3 Dwelling to Children's residential home (C2).

Demolition of existing garage; construction of part single, part two storey side and rear extensions and front porch; alterations to levels and hard…

Demolition of existing stables block & ancillary building and rebuild of replacement stables building.

Application for a non-material amendment to allow for alterations to fenestration and internal layout amendments following the grant of planning permission…

Conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 3x front rooflights. Certificate of Lawful Development…

Existing use as a HMO (Class C4). Certificate of Lawful Development (Existing).