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Simon Miller Architects Ltd

Simon Miller Architects Ltd is an architectural practice in London. See its accreditations, specialisms and planning track record.

32applications
89%approved
5councils
Full track record →
Active on Companies House
05391700
Architectural Activities
★ 4.3 Google (11)

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About Simon Miller Architects Ltd

Simon Miller Architects is a London-based practice combining architectural expertise with a personal, client-focused approach. The firm works across residential, commercial, and mixed-use projects, from small-scale alterations to large-scale new builds, with particular specialism in obtaining complex planning permissions.

Specialisations

Residential Alterations · New Build · Office Refurbishments · Mixed-Use Developments · Complex Planning Permissions · Sports and Leisure · Visual Arts · Education

Service Areas

London

Reviews

4.3

11 reviews on Google

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Credentials

  • ARB registered
  • RIBA chartered

Memberships can lapse, so check before work starts.

Planning Application Track Record

32
Applications
89%
Approval Rate
5
Local Authorities

Local Authorities

Barnet
Brent
Dover
Hertsmere
Westminster

Application Types

Extensions
12
Other
8
Demolition
5
New Dwellings
5
Tree Works
3
Listed Building
1

Planning Application History (32)

31 of 32 applications have a map location
26/2106/HSE
Installation of 1no. conservation rooflight to rear elevation, new roof tiles to replace existing
73 Willifield Way London NW11 6YL
Permitted
Barnet2026-06-05
19/1563/FUL
Single storey rear extension. Changes to fenestration and patio area to rear (amended description).
39 Sunny Gardens Road London NW4 1SL
Conditions
Barnet2019-03-18
F/04214/08
Rear dormer roof extension.
3 Chalgrove Gardens, London, N3 3PL
Permitted
Barnet2008-11-10
F/04217/08
Single storey side and rear extension. Conversion of garage into a habitable room. Alteration to front entrance.
3 Chalgrove Gardens, London, N3 3PL
Conditions
Barnet2008-11-10
H/05494/14
Single storey side extension including conversion of existing garage into habitable room.
12 Queens Gardens, London, NW4 2TR
Conditions
Barnet2014-10-06
15/04149/HSE
Ground floor and first floor rear extension with 2 no. rooflights, new design of existing front dormer, new windows at ground floor and first floor level to the front, side and rear elevations, alterations to front elevation to include removal of bay windows and new porch, new roof material and internal alterations.
23 Brampton Grove London NW4 4AE
Conditions
Barnet2015-07-03
F/04234/08
Alterations to roof including rear dormer and balcony extension with terrace.
3 Chalgrove Gardens, London, N3 3PL
Rejected
Barnet2008-11-10
H/05495/14
Extension to roof including partial hip to gable end to both sides, rear dormer and 6no. rooflights to facilitate a loft conversion.
12 Queens Gardens, London, NW4 2TR
Permitted
Barnet2014-10-06
H/01335/09
Demolition of existing dwelling and erection of a two-storey detached dwelling plus rooms in the roof space with solar panels and basement accommodation including swimming pool and associated plant room. Construction of single storey detached garage.
12 Goodyers Gardens, London, NW4 2HD
Rejected
Barnet2009-04-17
23/01001
Erection of single storey side and two storey rear extensions and a 3m deep terrace to the rear
Whydale, Durlock Road Ash CT3 2HU
Permitted
Dover2023-08-08
24/1346/HSE
Demolition of existing garage, WC and utility to facilitate construction of single storey front, side and rear wraparound extension with insertion of 1x rooflight to rear and new raised rear patio. Construction of new side access.
73 Gills Hill Lane Radlett Hertfordshire WD7 8PD
Permitted
Hertsmere2024-10-17
24/1347/CLP
Demolition of existing side garage followed by construction of single storey side and rear extensions, and front porch. Conversion of loft to habitable space with associated hip to gable roof alterations, rear dormer, insertion of 2x front rooflights and 2x windows to side elevation at loft level. Raised patio and alterations to side fences. Certificate of Lawful Development (Proposed).
73 Gills Hill Lane Radlett Hertfordshire WD7 8PD
Permitted
Hertsmere2024-10-17
26/0414/HSE
Installation of 1no. external air-conditioning condenser unit and associated timber enclosure
41 Temple Fortune Hill London NW11 7XP
Permitted
Barnet2026-02-03
23/02510/FULL
Extension under front garden, rebuilding of front boundary wall, new timber bin store, lower ground floor rear extension, new metal staircase, replacement of rear ground floor doors; new rooflights, lowering of the rear garden level, and associated works.
9 Ordnance Hill London NW8 6PR
Permitted
Westminster2023-04-14
22/01007
Certificate of Lawfulness (proposed) for the erection of single storey side and rear extensions, erection of 2no. outbuildings, raised decking and front gate
Whydale Durlock Road Ash CT3 2HU
Permitted
Dover2022-08-01
25/2483/S73
Variation of condition 6 (Obscure Glazing) of planning permission reference 25/0666/HSE dated 16/05/25 for 'Replacement of existing roof with associated internal modification. Replacement of existing dormer/structure and windows, new crown rooflight, guttering and rainwater pipes. (part retrospective).' Variation of wording to remove reference to both proposed side dormer windows in the southern elevation facing no. 36 Wildwood Road being glazed with obscure glass only and permanently fixed shut to requiring on the side dormer sited towards the front (serving bathroom) to be obscured glazed. (amended description)
38 Wildwood Road London NW11 6UY
Permitted
Barnet2025-06-16
25/4506/HSE
Ground floor rear extension. First floor side and rear extension. Conversion of garage into habitable room including new window to replace existing door. New rear patio. New windows and doors. Alterations to driveway and erection of front boundary gate with associated brick piers. (AMENDED DESCRIPTION AND PLANS)
54 Hodford Road London NW11 8NJ
Permitted
Barnet2025-11-12
26/2101/FUL
Roof extension with rear dormer window, juliette balcony and 2no. front facing rooflights
First And Second Floor Flat 10 Dukes Avenue London N3 2DD
Permitted
Barnet2026-06-05
25/2591/192
Erection of a rear outbuilding with swimming pool, gym, plant room and front terrace area
3A The Ridgeway London NW7 1RS
Permitted
Barnet2025-06-23
26/3121/192
Changes to fenestration including new rear sliding doors, blocking of side door and new first floor rear balustrade. New rear terrace with access steps
14 Oakleigh Park North London N20 9AR
Rejected
Barnet2026-08-24
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