About Us
Our Services
Case Studies
Contact Us





Get a Quote

Planning Permission & Architectural Services in Westminster

Professional & Honest Planning Permission Advice and First time Westminster Council Planning Permission success.

Our Planning Consultants & Architectural Consultants at 4D Planning are here to help you obtain planning permission as quickly as possible for a fraction of the price of a typical architect. Anyone can produce drawings, but the skill is knowing how to obtain planning permission!

We make the entire planning and building control process easy and simple. We offer a FREE initial consultation and assist with managing the entire planning application submission process to Westminster Council Planning Department. We then ensure that the development complies fully with the building regulations and is signed off by Building Control. We can also recommend local builders in Westminster who have worked on our other successful projects.

Case Studies

Westminster Council Logo
Westminster Council Building

Our services include the following:

  • Professional Planning Advice, Initial feasibility consultations and pre-application submissions
  • Planning Permission Applications for Change of Use
  • Planning Permission Applications for Residential Extensions and Conversions
  • Applications to remove or vary a planning condition.
  • Architectural Drawings for Planning Applications
  • Building Regulations Architectural Drawings for Building Control
  • Tender Packages for the Builders
  • 3D Visuals, 2D Drawings and illustrations, CGI renders and models
  • Planning Appeals, Retrospective planning applications
  • Lease Plans and Maps
  • Transport Planning Assessments, Parking Surveys
  • Heritage and Planning Reports and more.
  • Prior Approval / notification Applications, Permitted Development Rights schemes
  • Certificate of Lawful Use, Established Use
  • Conservation Area Developments, Listed Building Consent
  • Our projects in Westminster include: Basements, loft conversions, rear extensions, side infill extensions, garage conversions, shop front alterations, advertisement consent, replacement of windows, roof terraces and lots more.

Samples of our projects in Westminster

  • Italian Embassy, 14 Three Kings Yard, W1K 4EH – Installation of 30 photovoltaic panels at main roof level.
  • 20-22 Maddox Street, W1S 1PN – Creation of roof terrace and the access door in existing mansard, to be used in an ancillary capacity to Flat 3 (Class C3).
  • 228C Kilburn Lane, W10 4BA – Rear extension on third floor flat.
  • 111-112 Whitehall Court, SW1A 2EP – Listed Building Consent for internal alterations of four bedroom flat.
  • 6 Hill Road, St. Johns Wood, NW8 9QG – Replacement of windows, new front door, new rear patio doors and alterations to the rear patio and stairs and, an enlargement of the skylight at the rear.
  • 22 Bourne Street, SW1W 8JR – Extensions to the front and rear of the property with the conversion of the roof to terrace.
  • 39-41 St Stephen’s Gardens, W2 5NA – Single-storey rear extension at lower ground floor level with Juliette balcony at ground floor level and excavation to garden (Flat 4).
  • 39 Chepstow Place, W2 4TS – Retention of air conditioning units and installation of acoustic enclosures.
  • 111-112 Whitehall Court, SW1A 2EP – Listed Building Consent for insertion of air conditioning unit in the internal courtyard.
  • 95 Chippenham Road, London, W9 2AB – Use of storage space as a residential unit (Class C3). Installation of French doors at rear lower ground floor level.
  • 26A North Audley Street, W1K 6WB – Listed Building Consent for the erection of 2.75m trellis fence.
  • 125 Bravington Road, London W9 3AT– Erection of rear dormer window and two roof lights to front roof slope to extend existing second floor flat.
  • 71 Springfield Road, NW8 0QJ – Erection of single-storey rear conservatory and extension to detached garage with associated alterations. Erection of single-story side extension, alterations to front boundary wall including the erection of cast iron sliding gate, railings, and construction of brick wall and piers.
  • 44 Poland Street, W1F 7LZ – Use of basement and part ground floors as a shop (Class A1).


  • 45 Westbourne Terrace, London, W2 3UR – Listed Building Consent for: Internal alterations including removal and addition of partitions and doors. Replacement of double glazed windows, doors and rooflights with double glazing and the replacement of single glazed windows with single glazing at third and fourth-floor level.
  • 87D Duke Street, London, W1K 5PQ – Internal alterations to the listed building.
  • 99 Edgware Road, W2 2HX – Alteration to shop front to include new separate access door and stairwell to the basement level.
  • 37 Edgware Road, W2 – Change of use of Lower Ground Floor from B1 (offices) to D1 medical centre.
  • 2 Randolph Court , Randolph Avenue, W9 1NW – Replacement of ground floor rear window with French Doors.
  • 19 Edgware Road, W2 2JE – Change of use of Lower Ground Floor from A1 Pharmacy to D1 medical centre.
  • 104 Edgware Road, London W2 2EA – Mixed use of premises as pharmacy on the ground floor and medical centre on the lower ground floor for a period of five years (Sui Generis).
  • 91 Nutbourne Street London W10 4HL – Rear extension and loft conversion. Queens Park Conservation Area.
  • 73 Edgware Road, London, W2 2HZ – Change of use of Lower Ground Floor from A1 Pharmacy to D1 medical centre.
  • 91 York Street London W1H 4QE – Listed building Consent for Retention of railings on the first floor rear balcony.
  • Flat 18, Manor House, 250 Marylebone Road, NW1 5NP – Internal alterations to Grade II listed property, including the removal and the addition of partitions, and refurbishment works.
  • 106 Crawford Street, W1H 2HY – Use of the basement and ground floor for retail and medical purposes (sui generis).
  • 219 Baker Street London NW1 6XE – Use of part of the ground floor as an ancillary gym area for residential block (Class C3). Associated alterations to elevations.

Who We Are?

Planning Permission Application Experts in Westminster

The 4D Planning team consists of Chartered Planning Consultants, a former Planner at Westminster Council, Architectural Technicians and Designers.

Our objective is to help our clients obtain planning permission from Westminster Council as quickly as possible and to make the planning process as straightforward and stress free as possible. We produce all the Architectural Drawings for Planning, Building Regulations for Building Control Approval and Tender Packs for Construction. We have a quick turnaround and we are usually never beaten on price.

All our consultants have years of knowledge and expertise assisting our client with residential and commercial developments including Listed Buildings in Westminster.  We take pride in our high success rate with Planning Permission Applications in Westminster Council!

6 Reasons

to choose 4D Planning


Honest & Professional Planning Advice!


One stop-shop for Planning, Building Control and all Architectural Drawings


Quick turn-around, competitive fees, fixed fees only


High success rate with Planning Applications and Appeals in Westminster


We will always try to go the extra mile for our clients!


Excellent customer service & dedicated Chartered Planning Consultant as your single point of contact

4D Planning Permission Consultants in Westminster

We offer the following services:

  • Architectural Planning Permission Drawings in Westminster
  • Architectural Floor Plans in Westminster
  • Architectural Drawings in Westminster
  • Access to Chartered Architect and Chartered Town Planning services in Westminster
  • Planning Appeals for refused planning applications in Westminster
  • Permitted Development Applications (Lawful Development Certificate Applications in Westminster)
  • Planning Permission Applications for House Extensions & Loft Conversions in Westminster
  • Retrospective Planning Permission Applications in Westminster
  • Planning Permission Applications for Change of Use Class in Westminster
  • Planning Permission for Commercial Properties in Westminster
  • Planning Permission Applications for Converting a House to Flats in Westminster
  • House in Multiple Occupation Applications in Westminster
  • Planning Permission Applications for New Build Developments in Westminster
  • Planning Permission for Childrens Day Nurseries in Westminster
  • Planning Permission for Cafes, Takeaway, Pubs & Restaurants in Westminster
  • Planning Permission for Motor Trade & Car Washes in Westminster
  • Prior Approval, Prior Notification, Neighbours Consultation Scheme in Westminster
  • Article 4 designations, affordable housing, Section 106 legal agreement
  • Listed Building Consent Applications in Westminster City Council
  • Conservation Area Applications
  • Hotel Conversions to HMO in Westminster
  • Prior Approval Applications in Westminster

We cover all of the London Borough Councils including:

Barking & Dagenham, Barnet, Bexley, Brent, Bromley, Camden, City of Westminster, Croydon, Ealing, Enfield, Greenwich, Hackney, Hammersmith & Fulham, Haringey, Harrow, Havering, Hillingdon, Hounslow, Islington, Kensington & Chelsea, Kingston upon Thames, Lambeth, Lewisham, Merton, Newham, Redbridge, Richmond upon Thames, Southwark, Sutton, Tower Hamlets, Waltham Forest, and Wandsworth. Chorleywood, Rickmansworth

Get in touch today for a free consultation on the phone and a free quote for our services.

Call: 0203 1500 183 or visit: http://www.planning-consultant-london.co.uk/city-of-westminster

4D Planning, Consultants, Experts, advice, Chartered Town Planning Consultants, Planning Permission Applications, Architecture Drawings, Architects, Architectural Drawings, Architectural Services. Planning Permission Consultants, Planning Advice, Town Planning in London, Planning Permission Applications in Westminster, Architecture Drawings, Building Control, Architectural Plans.

Our services include new homes in Westminster, new flats in Westminster, conversion to flats in Westminster, conversion to homes in Westminster, Housing and residential schemes in Westminster, including securing planning permission for large garden outbuildings in Westminster, outhouse in Westminster, extensions in Westminster, home offices in Westminster, large and small office conversions (B1 use class), and conversions from offices to flats (C3 use class).

Commercial planning applications, including change of use between different commercial usage types, for example from shop to restaurant (A3 use class). Educational buildings (D1 use class), health centres and similar such public and private sector planning applications. Pubs, drinking establishments (A4 use class), takeaways (A5 use class). A2, A1 use classes.

Sui Generis covers all other types of uses which do not have a typical use class.

Whether you are applying for a Rear Extension in Westminster, Side Extension in Westminster, kitchen extension or conversion in Westminster, Loft Conversion in Westminster, Garage conversion in Westminster, Loft Extension in Westminster, Roof Extension in Westminster, domestic usage, Change Of Usage to residential dwelling in Westminster, conversion to habitable room in Westminster, new build development of flats in Westminster, new build office block in Westminster Council,  4D Planning can help you gain planning permission by giving you the Advice, Support, Architecture Drawings and Planning Permission Documents, Statements, Reports that you need at each step of the way to get the best results.

We cover the following areas in City of Westminster:

Bayswater, Belgravia, Covent Garden, Fitzrovia, Holborn, Hyde Park, Knightsbridge, Lisson Grove, Maida Vale, Mayfair, Marylebone, Millbank, Regents Park, Victoria, Paddington, Pimlico, Queen’s Park, St. John’s Wood, Soho, the West End and the following postcodes NW1, SW1, W1, W2, W9, W10, WC1 and WC2.

We assist our clients with the following application types:

Planning Permission Applications for commercial properties

Planning Permission Applications for mixed use applications and developments in London.

Applications in Westminster for all residential developments

Listed Building Consent Applications in City of Westminster Borough, London

We work in the London Borough Westminster Development Planning Permission

Our many projects include: Planning Applications for rear extensions,  Planning Applications for side extensions,  Planning Applications for garage conversions,  Planning Applications for basement extensions with lightwells,  Planning Applications for dropped kerb or crossovers,  Planning Applications for Change of use,  Planning Applications for Change of usage,  Planning Applications for advertising and shop signs,  Planning Applications for shop conversions,  Planning Applications for office conversions,  Planning Applications for House of Multiple Occupation,  Planning Applications for New Buildings, New build blocks of flats,  Planning Applications for all types of development in the borough of Westminster.