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Barnet, London

New build drawings in Barnet

Barnet has a freshly adopted plan, a large Green Belt edge and thousands of protected trees, and each of them shapes where a new house can go. New build drawings in Barnet from £1,450 including VAT are prepared by MCIAT chartered architectural technologists, with a second technologist checking every sheet.

From £1,450 (VAT included)

  • MCIAT chartered
  • £2m PI insured
  • LABC Partnered
  • Fixed fees, VAT included

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We use it to check conservation areas and constraints.
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    Architectural model of a four-storey London stucco townhouse in its terrace, with a portico, area railings, sash windows, a cornice and chimney stacks
    The house as it stands: four storeys over a lower ground floor.Existing Proposed worksAn illustrative model, built for this page.

    How we work on new build drawings

    Seven steps from first call to approval.

    The same model cut through the middle: every floor, the stair, the chimney breasts, the new mansard, rear extension and basement in section
    Section through the model: every floor on one datum.
    1. Enquiry and constraints check

      We check the property against conservation areas, listed status, Article 4 directions, tree preservation orders, flood zone and planning history. We choose the right route and send a fixed quote.

    2. Measured survey

      We survey the house on one datum: rooms, levels, boundaries, drains, trees and the neighbours' windows that the 45° and 25° tests depend on.

    3. Design options

      We model the house in Revit and show you options in 3D and plan, with the planning strategy and the precedents in your street.

    4. Design frozen

      You choose an option in writing. Nothing changes after this without your say.

    5. Independent check

      A second chartered technologist checks every sheet against the council's validation checklist and the policy. A senior review signs it off before anything is submitted.

    6. Submission

      We prepare the forms, certificates, fee and documents and submit through the Planning Portal.

    7. Officer liaison

      We answer the planning officer and make any amendments within five working days, at no charge until approval.

    Free redraws until approval. Every drawing set is checked independently, and the checker is never the person who drew it.

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    Pencil resting on a dimensioned technical drawing beside a scale rule

    Barnet's plan, its design guidance and the new house

    The development plan is the Barnet Local Plan 2021-2036, adopted in 2,025. Design guidance sits in the council's Sustainable Design and Development SPD, and for a new house the relevant part is Sustainable Design and Development Guidance SPD, Part 2: The seven features of good design. It sets out how the council judges scale, massing, materials and the relationship with the street, so the elevations and street scene we draw are organised around those tests.

    The householder part of the same SPD, Sustainable Design and Development Guidance SPD, Part 4: Guidance on residential extensions and alterations, was written for extensions, but officers use its outlook and privacy tests when a new house is close to a neighbour. We draw the same sections an officer would.

    Barnet's plan is recent, so we assume its policies carry full weight and do not rely on older appeal decisions that pre-date it. If your site's history includes a refusal, we read the reasons against the current plan and say what has changed.

    Georgian brick terrace with sash windows, arched fanlight doorways, stone steps and iron railings in London

    Local figures for Barnet

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Local planBarnet Local Plan 2021-2036—barnet.gov.uk
    Local plan adopted2,025—barnet.gov.uk
    Tree preservation orders718 tree preservation orders published by the council—planning.data.gov.uk
    Tree preservation zones3,219 tree preservation zone polygons published by the council—planning.data.gov.uk
    Green Belt share of the council area28 % of council area covered by green-belt polygons—planning.data.gov.uk
    Article 4 directions15 Article 4 directions published by the council—planning.data.gov.uk
    Borough CIL residential rate£361.44/m² indexed 2026 (schedule rate £300/m², residential incl. C2, C3, C4 and sui generis HMOs)rate as at 1 January 2026 to 31 December 2026 (Annual CIL Rate Summary 2026)barnet.gov.uk
    Mayoral CIL rate (indexed)72.73 £/m² (indexed, permissions granted in 2026)—london.gov.uk
    Minor applications granted67.4 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Minor applications decided in time92.7 % decided within 8 weeks or an agreed extended period1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Erection of dwellinghouses, not more than 10: per dwellinghouse, from 1 Apr 2026610 GBP per dwelling—ribblevalley.gov.uk

    A blank value means the figure has not been published, not that there are none. Check your own address with the council.

    Councils bordering Barnet
    Building regulations, layer by layerPart A: structure: Approved Document A: Structure, 2004 edition incorporating 2004, 2010 and 2013 amendments. Part B: fire safety: All dwellings: fire detection and alarm system minimum Grade D2 Category LD3 (BS 5839-6), mains-operated smoke alarms to BS EN 14604. Part L: insulation: New elements in existing dwellings, limiting U-values W/(m²·K): roof 0.15, wall 0.18, floor 0.18, windows 1.4 (or WER Band B), doors 1.4. Part K: stairs: 2.0 m clear headroom over stairs. Full plans application: Building control body must decide a full plans application within 5 weeks, or longer if agreed in writingPart A: structurePart B: fire safetyPart L: insulationPart K: stairsFull plans applicationABCDE

    Building regulations, layer by layer

    The Approved Documents that shape most house projects, from structure to the application itself.

    A · Part A: structure
    Approved Document A: Structure, 2004 edition incorporating 2004, 2010 and 2013 amendments
    B · Part B: fire safety
    All dwellings: fire detection and alarm system minimum Grade D2 Category LD3 (BS 5839-6), mains-operated smoke alarms to BS EN 14604
    C · Part L: insulation
    New elements in existing dwellings, limiting U-values W/(m²·K): roof 0.15, wall 0.18, floor 0.18, windows 1.4 (or WER Band B), doors 1.4
    D · Part K: stairs
    2.0 m clear headroom over stairs
    E · Full plans application
    Building control body must decide a full plans application within 5 weeks, or longer if agreed in writing

    Trees, Green Belt and Article 4 around a Barnet plot

    Barnet has 718 tree preservation orders covering 3,219 tree zones, and a new house on a garden plot usually has a tree somewhere near it. We survey tree positions and show root protection areas on the proposed site plan, because a house drawn over a protected root zone is hard to defend.

    28 per cent of the borough is Green Belt. Within it a new dwelling is inappropriate development in principle, and only a narrow list of exceptions applies. We check the boundary at the start, and say at the quote stage whether a site is realistic.

    Heritage layers sit on top. The borough has 16 conservation areas, 651 list entries and 15 Article 4 directions covering 48 areas. An Article 4 direction removes permitted development rights, which does not stop a new house but changes the neighbouring extensions that your design has to live with.

    Levies and fees for a new home in Barnet

    A new dwelling is liable for community infrastructure levy whatever its size. Barnet's own rate in our data is £361.44/m² indexed 2026 (schedule rate £300/m², residential incl. C2, C3, C4 and sui generis HMOs). The Mayor of London's levy applies on top, in charging band 2, at £72.73 per square metre for permissions granted this year. Both are charged on gross internal area, so the area schedule in our drawings is carefully checked.

    The council's application fee is £610 per dwelling for up to nine houses, paid to the council. We confirm the figure on the day you apply because the fee regulations are indexed.

    How Barnet decides small schemes

    A single new house or small terrace is a minor application. Barnet decided 703 minor applications in its latest year, granted 67.4 per cent and decided 92.7 per cent in time. That grant rate is lower than the borough's householder rate of 80.2 per cent, which is the pattern you would expect: a new house is a bigger ask than an extension.

    Appeals matter in this borough. Barnet saw 413 householder appeals decided by the Planning Inspectorate and 50.6 per cent were allowed. Householder appeals are not housing appeals, but they show that the inspectorate does overturn the council here, and we draw to a standard that can be defended on appeal.

    The statutory period for a minor application is 8 weeks unless you agree an extension. A new house should not be started until permission and the pre-commencement conditions are discharged.

    The new build drawing set in Barnet

    The set has a proposed site plan, floor plans, roof plan, elevations to every face, sections through the stair and highest point, and a street scene. Every room carries its area against the nationally described space standard, and the schedule comes from the 3D model so it stays correct when the layout moves.

    Gardens matter here. Domestic gardens make up 28.1 per cent of the borough's land, and buyers pay for them: the average house price is £600,560, a change of -4.9 per cent in twelve months. Officers want the new house to keep a usable garden and leave the neighbour with theirs, so the plan shows both.

    Price, process and next steps for new builds in Barnet

    New build drawings in Barnet start at £1,450, VAT included, fixed after a free constraints check. We redraw at no charge if the council asks for changes, though we cannot promise a decision.

    The application is prepared as planning drawings in Barnet. After permission, construction drawings in Barnet carry the build information and SAP calculations in Barnet cover the energy assessment a new dwelling needs. For the wider area, see architectural drawings in Barnet, or compare with new build drawings in Hertsmere over the boundary.

    What you receive

    Planning drawing sheet for a rear extension with plans, elevations and sections
    Sample drawing. Planning drawings for a rear extension: plans, elevations and sections on one sheet set.
    Rear view of brick terraced houses in London with slate roofs and chimney stacks along the shared roofline
    Points, not guesses
    Paint across the grid with the pointer.

    Questions

    Which plan governs a new house in Barnet?

    The Barnet Local Plan 2021-2036, adopted in 2,025. Design guidance is in the Sustainable Design and Development SPD.

    Do trees affect a new build in Barnet?

    Often. Barnet has 718 tree preservation orders, so we show root protection areas on the site plan.

    How much are new build drawings in Barnet?

    From £1,450 including VAT. The council's fee is £610 per dwelling and is separate.

    Can a new house be built in Barnet's Green Belt?

    Only in narrow circumstances. We check the boundary first and tell you honestly if the site is not worth drawing.

    Sources and dates

    City of London skyline glowing at dusk across the Thames under a dramatic orange sky

    Tell us about your property.

    We check the constraints, then send a fixed fee. Messages before 3pm get a reply the same working day.