Natalie Leiwy Architects

10 And 12 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY

Demolition of no. 12's existing garage and no. 10's outbuilding to facilitate construction of two storey side and rear extension across both properties, conversion of loft to habitable space to include increase to ridge height, 2x rear dormers and 2x front and side rooflights across both properties. Single storey front extension to no.12 and alterations to fenestration.

4 Connaught Drive London NW11 6BJ

Roof extension with rear dormer window and new roof with increased ridge height over existing side extensions with 2 no. side facing rooflights and 1 no. rooflight on top of roof. Fenestration changes to side and rear elevation including new patio doors

49 Southbourne Crescent London NW4 2JX

Lower ground floor storage area, part single, part two-storey, front side and rear extension with associated patio steps following the demolition of the existing garage. Roof extension involving side dormer window, 2no. front and 1no. rear facing rooflight and new side gable window

31 The Ridgeway London N3 2PG

Single storey side and rear extension with rooflights and new patio area following removal of the existing shed and garage. First Floor rear balcony

31 The Ridgeway London N3 2PG

Roof extension involving hip to gable, new enlarged rear dormer and 2no. front facing rooflights

250 Regents Park Road London N3 3HN

Change of use of part ground floor and basement from (Class E) into 2no. self-contained flats (Class C3) Associated amenity space and cycle storage

10 Holmdene Avenue London NW7 2NA

Variation of condition 1 (Approved plans) of planning permission 25/2451/HSE dated 11/08/2025 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear' Variation to include increasing the depth of proposed rear extension

4 Hillcrest Avenue Edgware HA8 8PA

Roof extension involving removal and replacement of the existing rear dormer with side/rear dormer window with juliette balcony and 2no. front facing rooflights

67 Hendon Way London NW2 2LY

Roof extension involving side and rear dormer window and 2no. front facing rooflights

69 St Margarets Road Edgware HA8 9UT

Sinlge storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres, following demolition of existing garage.