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Haringey, London

Wraparound extension drawings in Haringey

Wraparound extension drawings in Haringey have to answer to an old plan and a narrow rule: the borough's strategic policies date from 2,013, and it holds 25 Article 4 directions. We are MCIAT chartered architectural technologists, and our drawings start at £1,195 including VAT. In the latest twelve months the council granted 90.3% of 689 householder applications.

From £1,195 (VAT included)

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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 wraparound extension drawings

    Nine 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.

    8. Building regulations

      Technical drawings are coordinated with the structural engineer's calculations, the drainage and the planning conditions.

    9. Approval and hand-over

      Building control approval, then a next-steps pack covering the commencement notice, party wall timing and CIL.

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

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    House extension under construction with scaffolding, new glazed doors and building materials

    The Haringey guidance behind a wraparound

    Haringey's strategic policies were adopted in 2,013, and the borough still works from them, together with its development management and site allocation documents. For extensions the sharper tool is the House extensions in South Tottenham SPD (revised), written for the South Tottenham area. Outside that area we apply the same caution and step a wraparound back from the neighbours.

    Because the plan is old, recent decisions on your street are useful evidence alongside the policies, so we search the council's public register for approved extensions within a few doors before drawing. A scheme that echoes an approved neighbour in depth, height and roof form starts well.

    The borough has 33 conservation areas and 25 Article 4 directions, mapped as 25 areas, and 289 list entries. Any one of them can move a wraparound from a quick route to a full application, so the address check comes first.

    Brick house being extended, with a wide new opening supported over the ground floor

    Local figures for Haringey

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Conservation areas33 named conservation areas published by the council—planning.data.gov.uk
    Article 4 directions25 Article 4 directions published by the council—planning.data.gov.uk
    Article 4 direction areas25 Article 4 direction area polygons published by the council—planning.data.gov.uk
    Listed building entries289 list entries (Historic England, within the LPA boundary)—planning.data.gov.uk
    Householder decisions689 decisions1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications granted90.3 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications decided in time94.3 % decided within 8 weeks or an agreed extended period1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Households living in a house38.9 % of households living in a house or bungalow (detached, semi-detached or terraced)Census 2021nomisweb.co.uk
    Domestic gardens share of land (GLUD 2005)26.6 % of land that is domestic garden (GLUD 2005)2005data.london.gov.uk
    Supplementary planning documentHouse extensions in South Tottenham SPD (revised)2013haringey.gov.uk
    Larger home extension prior approvals refused19 decisions2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026)assets.publishing.service.gov.uk
    Householder: alterations/extensions to a single dwellinghouse, from 1 Apr 2026548 GBP—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 Haringey

    Householder applications by street in Haringey

    Streets in Haringey with the most householder applications, and the share approved
    StreetApplicationsApproved
    Sheldon Avenue2065%
    Gladesmore Road1788%
    Stapleton Hall Road1382%
    Boundary Road12100%
    Cholmeley Park1278%
    Craven Park Road12100%
    Seaford Road1282%
    Wargrave Avenue1282%
    Woodside Avenue1291%
    Beresford Road11100%
    Fairview Road10100%
    Onslow Gardens10100%
    Priory Gardens1090%
    Allison Road9100%
    Dukes Avenue978%
    Counts of householder applications by street; no individual applications are shown. Streets with fewer than five applications are left out.Source: GLA Planning London Datahub, householder applications, all years held. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026.
    Single-storey rear extension: the permitted development limitsDepth beyond the original rear wall: 3 m (attached) / 4 m (detached) beyond the original rear wall, single storey. Maximum height: 4 m. Within the zone near the boundary: Eaves no higher than 3 m where within 2 m of the curtilage boundary. Larger extension under prior approval: 6 m (attached) / 8 m (detached), single storey, height max 4 m; not on article 2(3) land or an SSSIABCD

    Single-storey rear extension: the permitted development limits

    The house in section with a rear extension; the dashed lines mark the zone near the boundary.

    A · Depth beyond the original rear wall
    3 m (attached) / 4 m (detached) beyond the original rear wall, single storey
    B · Maximum height
    4 m
    C · Within the zone near the boundary
    Eaves no higher than 3 m where within 2 m of the curtilage boundary
    D · Larger extension under prior approval
    6 m (attached) / 8 m (detached), single storey, height max 4 m; not on article 2(3) land or an SSSI

    Wraparounds, shared houses and honest layouts

    Turning a family house into a small shared house is a change of use with its own rules, and in some places an Article 4 direction removes the right to make it without permission. A large wraparound that adds a bedroom-sized room on the ground floor can raise that question, so we check the directions covering your address.

    We therefore draw the ground floor as a family kitchen and dining space, with openings that suit one household, and we keep the room labels honest. If the plan is to let rooms individually, that is a different permission, and we would rather price it correctly at the start than see an application stall.

    Only 38.9% of households here live in a house or bungalow, and 37.2% own their home, so the use shown on the drawings has to match the way the house is actually lived in.

    Reading the decision figures

    Householder applications were decided in time 94.3% of the time, a fast record, and 90.3% were granted. Those are good numbers for a well-drawn scheme, and unforgiving for a vague one, because a quick decision can also be a quick refusal.

    Deeper rear extensions can go through the larger home extension prior approval route, but the council granted 13 and refused 19 in the latest return year, which is far from a formality. A wraparound with a side element normally falls outside that route altogether, and goes in as a householder application, priced at £548 to the council.

    Domestic gardens cover 26.6% of the borough, a large share, which is why officers care about what a wraparound leaves behind in the garden as much as what it adds to the house.

    What we put in the set

    The drawings show existing and proposed plans, front, side and rear elevations, and two sections: one through the new room and one through the junction with the outrigger. We add a roof plan, because that is where the side and rear arms meet, and a short statement on materials and daylight.

    For comparison you can look at the narrower side return extension drawings in Haringey or the rear-only version in rear extension drawings in Haringey. Many owners start with the wraparound, see the cost and the neighbour issues, and choose one of those.

    If the project stays inside the national limits, a Lawful Development Certificate gives written proof. Haringey recorded 396 applications of that kind in its latest return year.

    Neighbours, notices and the next step

    A wraparound nearly always needs party wall notices on the side and may need them at the rear. Our party wall notice service prepares the letters and the drawings they rely on. A friendly conversation first costs nothing and often saves a surveyor's fee later.

    If the council asks for amendments, we redraw them at no extra charge until the application is decided. For the full range of work in the borough, see architectural drawings in Haringey.

    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.
    Finished white-rendered rear house extension with large glazed doors
    Every side considered
    Flick across the turntable to spin it.

    Other services in Haringey

    Wraparound extension drawings nearby

    Questions

    Which Haringey document covers house extensions?

    The House extensions in South Tottenham SPD (revised) for the area it covers, read with the borough's strategic policies. Haringey Local Plan: Strategic Policies 2013-2026 (consolidated with 2017 alterations), with the Development Management DPD, Site Allocations DPD and Tottenham Area Action Plan is the plan name.

    Is a wraparound allowed under permitted development in Haringey?

    Only on a house outside conservation areas and Article 4 areas, and only if the combined side and rear work stays within the national limits. The borough has 33 conservation areas.

    Does the layout of the new room matter in Haringey?

    Yes. The drawings should show the real use of the house, because turning it into a shared house is a separate permission question.

    What do the drawings cost?

    From £1,195 including VAT. The council fee is £548, paid separately.

    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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