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Sutton, London

HMO conversion drawings in Sutton

Sutton took the long route to controlling HMOs: it made a non-immediate direction, consulted, confirmed it, and gave landlords notice. Our HMO conversion drawings in Sutton start from £879, and we draw to the standard the council now applies to every family house in the borough.

From £679 drawings + £200 survey (£879 total), no VAT to add

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  • £2m PI insured
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  • Fixed fees, no VAT to add

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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 hmo conversion 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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    A direction made with notice

    The council's Article 4 page records that the HMO direction was made by the council and then confirmed by its Housing, Economy and Business Committee, with the confirmation recorded as confirmed 26 November 2024. The page says the direction covers the whole of the borough.

    A non-immediate direction gives owners a notice period before the right disappears. The council announced the proposal as one that would require planning consent for turning family homes into HMOs. If you bought a house with a conversion in mind, the date the direction took effect and the date you started matter, and we establish both before drawing anything.

    The direction is not a ban. It sends the proposal through a full application, where the council weighs the effect on family housing, parking and neighbours.

    Rear view of brick terraced houses in London with slate roofs and chimney stacks along the shared roofline

    Local figures for Sutton

    Figures with their unit, period and source
    MeasureValuePeriodSource
    The council made a borough-wide Article 4 direction on HMOs on 22 February 2024 and the Housing, Economy and Business Committee confirmed it on 26 November 2024; proposals to convert family homes to HMOs will require planning consent.confirmed 26 November 2024—sutton.gov.uk, Council page: Article 4 Directions, HMO Article 4 direction entry
    The Additional Licensing Scheme applies to the whole borough: an HMO that does not meet the five-person threshold for mandatory licensing needs a licence under it. The council says the lead-in period has expired and the scheme is now fully live.borough-wide, fully live—sutton.gov.uk, Council page: Houses in Multiple Occupation, licensing section
    Households living in a house62.9 % of households living in a house or bungalow (detached, semi-detached or terraced)Census 2021nomisweb.co.uk
    Green Belt share of the council area14 % of council area covered by green-belt polygons—planning.data.gov.uk
    Minor application decisions196 decisions1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Minor applications granted76.5 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Minor applications decided in time87.8 % decided within 8 weeks or an agreed extended period1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Conservation areas8 named conservation areas published by the council—planning.data.gov.uk
    Mayoral CIL charging band3 MCIL2 charging band (1-3)—london.gov.uk
    Borough CIL residential rate£100/m² (Residential, borough-wide)schedule rate (2014), before indexationdrive.google.com

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

    Councils bordering Sutton
    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

    Licensing is already running

    Licensing is separate and is live now. The council's HMO page says its additional scheme is borough-wide, fully live, covering any HMO that falls under the mandatory five-person threshold. It records the same licence for both schemes, valid for up to five years.

    That means a three-person shared house in Sutton needs both a planning consent and a licence. The measured drawings serve both, and our HMO licence application pack takes the approved plans on to the licence.

    Making the application persuasive

    Sutton has 62.9 per cent of households in houses, so the officer will be asking whether a family home is being lost. We show how the house is used today, the bedrooms proposed against the original, the garden retained and the parking and bin arrangements.

    If extra rooms are needed, see loft conversion drawings in Sutton and rear extension drawings in Sutton. Green Belt covers 14 per cent of the borough, which matters on its southern edge.

    The council's record

    A new HMO is a minor application. Sutton decided 196 minor applications in the latest published year, granted 76.5 per cent and decided 87.8 per cent in time. The borough has 8 conservation areas.

    Levy and nearby boroughs

    The borough levy is £100/m² (Residential, borough-wide), with the Mayoral levy in band 3. A conversion with no new floor area may fall outside it.

    For flats instead of rooms, compare flat conversion drawings in Sutton. Neighbouring Croydon runs a borough-wide direction too, and the overview page is architectural drawings in Sutton.

    What you receive

    Building regulations section drawing showing the construction build-up
    Sample drawing. Building regulations section showing construction build-up for a building control check.
    Upper floors of a large yellow-brick Victorian house in London with chimney pots
    Unit by unit
    Move up and down — the nearest units slide out.

    Other services in Sutton

    HMO conversion drawings nearby

    Questions

    Does Sutton need planning permission for a small HMO?

    Yes. The council's Article 4 direction covers the whole borough and its confirmation is recorded as confirmed 26 November 2024.

    Does a small HMO in Sutton need a licence?

    Yes. The additional scheme is borough-wide, fully live, covering HMOs under the mandatory threshold.

    How many minor applications does Sutton decide in time?

    87.8 per cent of 196 decisions in the latest published year.

    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.

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