Planning appeals in Hertsmere, 2026

demolition of existing house and outbuildings to facilitate construction of 2 x dwellings (1 x 3 bed and 1 x 5 bed) to include accommodation at basement level, with associated landscaping, parking and 2 x detached garages with mezzanine level without complying with a condition attached to planning permission Ref 25/1032/VOC, dated 17 November 2025.  The condition in dispute is No 19 which states that: The development hereby permitted shall be carried out in complete accordance with the approved plans and drawings listed in this

first-floor rear extension with some internal layout changes and retention of use of HMO “sui generis

construction of new two storey house

redevelopment of the site for the erection of a bungalow

the erection of a ‘single-storey front extension

demolition of existing building and erection of two storey building with office space at ground floor and self contained 2x bed flat at first floor

construction of 4x 4 bed dwellings and 2x 3 bed dwellings with new vehicular and pedestrian access adjacent No 5 Cobden Hill; layout of additional parking, landscaping and all ancillary works

without planning permission, change of use of the property from a single family dwelling to a mixed use as one self-contained flat and seven bedroom House in Multiple Occupation (HMO) (Use Class Sui Generis)

without planning permission, the erection of boundary fencing forward of the principal elevation and adjacent to the Ark Avenue highway exceeding and (sic) one (1) metre in height (‘the breach’)

without planning permission, the erection of boundary fencing adjacent to the highway exceeding one (1) metre in height ( ‘the breach’)

without planning permission, the erection of a boundary fence adjacent to the highway exceeding one metre in height

without planning permission, the erection of a boundary fence adjacent to the highway exceeding one metre in height

without planning permission, [the] erection of an outbuilding with [a] raised platform

without planning permission, the erection of a structure forward of the principal elevation of the property and the replacement of the windows on the property

a porch, two storey side & single storey rear/ side extension

a first-floor side extension over existing garage

demolition of existing car port and single-storey rear extensions. Construction of two-storey rear extension and two-storey side extensions and alterations to fenestration and to the front porch. Conversion of loft to habitable space with increased ridge height, hip to gable alterations and rear dormer

Without planning permission, the raising of land levels including installation of hardstanding, vehicular cross over and installation of a gate taller than 1 metre adjacent to a highway used by vehicular traffic

described as “Permitted development, bilateral single storey side extensions and double storey rear extension

change of use from existing warehouse (Use Class B8) to provision of medical or health services (Use Class E(e)) and erection of cycle store

described as “Existing building works started to an outbuilding at the rear of the property to accommodate a playroom, storage and BBQ facilities as described in the drawing 92WD65JS

without planning permission, the erection of part single, part two storey side and rear extension, dormer roof extension and erection of front boundary treatment adjacent to the highway exceeding one (1) metre in height

Retention of existing front extension on ground floor with proposed new roof replacement

front, side and rear extensions, conversion of roof to habitable space, new front and rear dormer windows and fenestration alterations

Erection of up to 195 new homes (50% affordable), safeguarded land for the expansion of Newberries Primary School and provision of a new medical centre, along with associated access, landscaping and parking

the change from C3 single family to Sui Generis 9 bed HMO

retrospective application to retain modified and refaced single story flat roofed timber facing building with proposed additional landscaping and continued use as a restaurant and use of existing hotel parking

installation of a front garden wall/fence and electric gate following removal of hedge, and erection of a rear garden outbuilding

Without planning permission, erection of a single storey rear extension at ground floor level and erection of rear patio

retention of wall and electronic gates

Construction of detached garage and development of front and side boundary treatment

alterations to wall post heights on boundary wall and insertion of railings and gates

The erection of a building used as a shisha lounge and restaurant within the area approximately edged purple on the attached plan

Battery Energy Storage System (BESS) including ancillary works and access arrangements