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Planning Permission & Architectural Services in Barnet

Professional & Honest Planning Permission Advice and First time Barnet 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 Barnet 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 Barnet who have worked on our other successful projects.

Case Studies

Barnet Council Planning Logo

Our services include the following:

  • Professional Planning Advice, Initial consultations and pre-application submissions
  • Planning Applications for Change of Use
  • Planning Applications for Residential Extensions and Conversions
  • Applications to remove or vary a planning condition.
  • Architectural Drawings for Planning Applications
  • Building Regulations 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 Barnet 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 Barnet

  • 55 Sheaveshill Avenue, Barnet, NW9 6SD – Change of Use of from C3 to C3/D1 (Doctor’s Surgery) on the ground floor and 2 bedroom flat on the first floor; Single Storey Rear Extension; Associated Refuse Store; Cycle Parking; Vehicle Parking for 5 cars.
  • 5 Shirehall Close, London, NW4 2QR – Roof extension including a rear and wrap around side dormer windows and 2no. roof lights to the front roof slope to facilitate a loft conversion.
  • 1 Dinsdale Gardens, Barnet, EN5 1HE – A hip to gable roof extension with a full-width rear dormer (if possible under permitted development) and conversion of the garage into a habitable room
  • 6B Bertram Road, NW4 3PN – Erection of french doors and railings to create Juliette balcony.
  • 178-180 Long Lane, N3 2RA – Change of use of ground floor office unit (use class B1) into D1 use (for a veterinary surgery) including ancillary A1 (for sale of pet goods and accessories).
  • 7 Sherwood Road, Hendon, NW4 1AE – Part single, part two storey side and rear extensions. Garage conversion into habitable room installation of windows to replace the garage door. Roof extensions involving rear and side dormer windows with 2 no. roof lights to front elevation to facilitate a loft conversion. Alterations to fenestration at all floors and associated internal alterations.
  • 58A Crescent Road, Barnet, EN4 9RF – Part single, part two storey side/rear extension and alterations to rear garden.
  • 3 Audley Road, Hendon, NW4 3EY – Roof extension involving rear dormer window with 3no. roof lights to front elevation to facilitate a loft conversion.
  • 3 Audley Road, London, NW4 3EX – Single storey rear extension
  • 3 Langley Row, Hadley Highstone, Barnet, EN5 4PB – Single storey rear orangery extension in a conservation area.
  • 36 Cedars Close, NW4 1TN – Building regulations for construction of the basement and other internal alterations.
  • 2 Lytton Close, London, N2 0RH – Planning and Listed Building Consent for conversion of garage into habitable space. Removal of side access door and installation of 2no. windows. Associated internal alterations.
  • 14 Park Road, Barnet, EN5 5SQ – Single storey side extension and two-storey side extension with associated alterations to the roof and rear projection. Removal of existing chimney breasts. Rendering to first-floor front elevation including replacement roof. Alterations to fenestration.
  • 18 Lytton Close, London, N2 0RH – Listed building consent, Planning Permission and Hampstead GS Trust Approval for – replacement of existing windows with new double glazed windows. Enlargement of existing ground floor rear door and windows to create double door and window. Internal alterations including removal and relocation of ground floor partition walls, installation of ‘stair lift’ on stairs between ground and first floor, restoration of fire places, pet hole in the kitchen wall, new laminate flooring and internal enlargement of the master bedroom. Alterations to front garden including new side gate to replace existing and new hard standing. Enlargement of existing ground floor rear door and windows to create double door and window. Removal of ground floor partition wall.
  • 18 Glebe Crescent, NW4 1BU – Two-storey rear extension following demolition of the existing shed. Roof extension.
  • 18 Glebe Crescent, NW4 1BU – Roof extension involving hip to gable, rear and side dormer windows and roof lights on front roof slope to facilitate a loft conversion. Conversion of garage into habitable room including replacement of garage door with new window. New
    front porch.
  • 15 Neeld Crescent, NW4 3RP – Single story rear extension with excavation to the garden to create lower ground floor level.
  • 126 Cleveland Gardens, NW2 1DU – Rear dormer window with Juliette balcony and roof lights to facilitate gable loft
    conversion, new front porch, demolition of existing garage and erection of new ancillary outbuilding, single storey rear extension.
  • 3 Glebe Crescent, Hendon, NW4 1BT – Replacement of existing rear dormer windows with 2no. Juliette balconies
  • 3 Glebe Crescent, Hendon, NW4 1BT  Single storey side extension, loft conversion with hip to gable roof extension.


  • 3 Glebe Crescent, Hendon, NW4 1BT – Double storey side extension including an extension to roof with 2no. roof lights.
  • 6 Golders Gardens, NW11 9BT – Hip to gable roof extension with dormer window and roof lights.
  • 140 The Vale, NW11 8SN – Prior Approval for 5m rear extension.
  • 126 Cleveland Gardens, NW2 1DU – Rear dormer window with Juliette balcony and roof lights to facilitate gable loft conversion, new front porch, demolition of existing garage and erection of new ancillary outbuilding, single storey rear extension
  • 22 Golders Rise, London, NW4 2HR – Single storey rear extension with a proposed depth of 6 metres from original rear wall with Sukka Roof.
  • 3 Langley Row, Hadley Highstone, Barnet, Hertfordshire, EN5 4PB – Erection of single storey orangery at the rear elevation.
  • 29 Garrick Avenue, NW11 9AR – Prior Approval for 6m rear extension.
  • 25 Cheyne Walk, NW4 3QH – Single-storey side extension including new front bay window following demolition of existing garage.
  • 16 Woodlands, NW11 9QL – Rear dormer with Juliette balcony and 2 new roof lights to the front to facilitate partial hip to gable loft conversion. New front porch.
  • 66 The Drive, NW11 9TL – Ground Floor side and rear extensions, hip to gable roof extension and conversion to 2 flats.
  • 61 Hermitage Lane, NW2 2HE – Double storey side extension, rear extension with new basement and loft extension.
  • 35 Cloister Gardens, Edgware, Middx, HA8 9QJ – Roof extension with a wrap around both sides and rear dormer with a rear Juliet balcony to facilitate a loft conversion.
  • 152-154 Golders Green Road, NW11 8HE – Insertion of 4 new double glazed uPVC windows to side elevation.
  • 100-102 Hamilton Road, NW11 – Demolition of existing building and the construction of a two-story building and a room in the roof space.
  • 5 Shirehall Close, Hendon, NW4 – Lawful Development Certificate to build a roof extension including a rear and wrap around side dormer windows and 2no. roof lights to the front roof slope to facilitate a loft conversion.
  • 1 Braemar Gardens, Colindale, NW9 5LA – Part single, part two-storey side and rear extension. New timber decking to rear. Roof extension involving hip to gable, rear dormer window, roof lights. Single storey rear extension. New front porch.
  • 8 Gloucester Drive, London, NW11 6BH – Double storey rear extension, a loft conversion, garage conversion & front porch extension.
  • 22 Mayfield Gardens, London, NW4 2QA – Loft conversion with rear and side dormers.
  • 13 Highcroft Gardens, NW11 0LY – 6m single-storey rear extension under prior approval. Side extension under Planning Permission.
  • Cecilia Cottage, 86 Wise Lane, London NW7 2RD – Non-material minor amendment to include size alterations to the detached garage and insertion of a single automated garage door facing the dwelling-house.
  • 100-102 High Road, London, N2 9EB – Alterations to shop front including insertion of 1no. entrance door and staircase to facilitate access to first floor flat.
  • 44 Brackenbury Road, N2 0ST – Single-storey rear extension.
  • 21 Mayfield Gardens, Hendon, NW4 2PY – Roof extension involving an extension of the existing rear dormer window to create a rear/both sides wrap around dormer window and 1 no. roof light to front elevation, to facilitate a loft extension.
  • 262 Regent Park Road, London, N3 3HN – Change of use from Use Class B1 (offices) to Use Class C3 to provide 5 units.
  • Stable End, Hedgerow Lane, Arkley, Barnet– Two-storey side extension including dormer window to first-floor front slope, extension of existing garage and insertion of new garage doors.
  • 13 Highcroft Gardens, NW11 0LY– Single-storey rear extension.
  • 22 Golders Rise, Hendon, NW4 2HR – Single storey rear extension.
  • 45 Green Lane, London, NW4 2AG – Single storey rear extension
  • 8 Gloucester Drive, London, NW11 6BH – Part single, part two storey rear extension with loft conversion including wrap around side dormers new front porch and a garage conversion.

Who We Are?

Planning Permission Application Experts in Barnet

The 4D Planning team consists of Chartered Planning Consultants with 10+ years experience obtaining planning permission for clients with Barnet Council, Architectural Technicians and Designers.

Our objective is to help our clients obtain planning permission from Barnet Council as quickly as possible the first time round, 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 clients with residential and commercial developments including Listed Buildings in Barnet.  We take pride in our high success rate with Planning Permission Applications in Barnet 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 Barnet


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 Barnet

We offer the following services:

  • Architectural Planning Drawings in Barnet
  • Architectural Floor Plans in Barnet
  • Architectural Drawings in Barnet
  • Access to Chartered Architect and Chartered Town Planning services in Barnet
  • Planning Appeals for refused planning applications in Barnet
  • Permitted Development Applications (Lawful Development Certificate Applications in Barnet)
  • Planning Permission Applications for House Extensions & Loft Conversions in Barnet
  • Retrospective Planning Applications in Barnet
  • Planning Permission Applications for Change of Use Class in Barnet
  • Planning for Commercial Properties in Barnet
  • Planning Permission Applications for Converting a House to Flats in Barnet
  • House in Multiple Occupation Applications in Barnet
  • Planning Permission Applications for New Build Developments in Barnet
  • Planning for Childrens Day Nurseries in Barnet
  • Planning for Cafes, Takeaway, Pubs & Restaurants in Barnet
  • Planning for Motor Trade & Car Washes in Barnet
  • Prior Approval, Prior Notification, Neighbours Consultation Scheme in Barnet
  • Article 4 designations, affordable housing, £50k per new residential unit in Barnet
  • Listed Building Consent Applications
  • Conservation Area Applications
  • Hotel Conversions to HMO, Prior Approval Applications and many more.

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

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Our services include new homes, new flats, conversion to flats, conversion to homes, Housing and residential schemes, including securing planning permission for large garden outbuildings, outhouse, extensions, home offices, 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, Side Extension, kitchen extension or conversion, Loft Conversion, Garage conversion, Loft Extension, Roof Extension, domestic usage, Change Of Usage to residential dwelling, conversion to habitable room, new build development of flats, new build office block in Barnet Council, We can help you gain planning permission by giving you the Advice, Support, Drawings and Documentation you need at each step of the way.

We cover the following areas in Barnet:

HendonGolders GreenBrent CrossFinchleyEdgwareEast FinchleyHampsteadWest HampsteadTemple FortuneTotteridge, East BarnetWoodside ParkMill HillBurnt OakColindaleWhetstone, High BarnetArkleyCricklewoodChilds HillMuswell HillColney HatchHampstead Garden Suburbs & Oakleigh Park and the following postcodes: N2, N12, NW4, N3, N14, NW7, N10, N20, NW9, N11, NW2, NW11.

We assist our clients with the following application types:

Planning Permission Applications for commercial properties

Applications in Barnet for all residential developments

Listed Building Consent Applications

We work in the London Borough Barnet Development Planning Permission