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Hackney, London

Wraparound extension drawings in Hackney

Many wraparound extension drawings in Hackney go to the council as a householder application, partly because the borough holds 77 Article 4 directions and 37 conservation areas. We are MCIAT chartered architectural technologists and the drawings start at £1,195 including VAT. Of 415 householder decisions in the latest twelve months, 84.6% were granted.

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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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    Finished white-rendered rear house extension with large glazed doors

    Hackney planning rules for a wraparound extension

    Hackney's guidance for this work sits in the Residential extensions and alterations SPD, and the Retrofit SPD sits alongside it for insulation and energy upgrades. We treat a wraparound as a single piece of massing when we test it against them, so the side infill and the rear room are checked together against the garden and the neighbouring windows.

    The Article 4 count needs a careful reading. The council publishes 77 directions, and the mapped data holds 197 separate areas, because one direction can cover several pockets of streets. For a terrace owner that means the permitted development rights a neighbour used last year may have been withdrawn on your road. We check the direction map for your address before any line is drawn.

    Hackney's housing mix explains why this matters. Only 18.8% of households live in a house or bungalow, and 24.6% own their home. The houses that do exist are often Victorian terraces with a narrow side return, which is the plot shape a wraparound is made for. We cover the narrow-return half on its own in our side return extension drawings in Hackney.

    Two-storey rear extension under construction on a semi-detached house

    Local figures for Hackney

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Conservation areas37 named conservation areas published by the council—planning.data.gov.uk
    Article 4 directions77 Article 4 directions published by the council—planning.data.gov.uk
    Article 4 direction areas197 Article 4 direction area polygons published by the council—planning.data.gov.uk
    Listed building entries555 list entries (Historic England, within the LPA boundary)—planning.data.gov.uk
    Householder decisions415 decisions1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications granted84.6 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications decided in time91.3 % decided within 8 weeks or an agreed extended period1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Average price, terraced960,633 GBP2026-07publicdata.landregistry.gov.uk
    Domestic gardens share of land (GLUD 2005)18.5 % of land that is domestic garden (GLUD 2005)2005data.london.gov.uk
    Supplementary planning documentResidential extensions and alterations SPD2025hackney.gov.uk
    Class A, para A.1(ja)Limits apply to the total enlargement (new part plus any existing enlargement it joins)—legislation.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 Hackney

    Householder applications by street in Hackney

    Streets in Hackney with the most householder applications, and the share approved
    StreetApplicationsApproved
    Winston Road5288%
    Osbaldeston Road3969%
    Rushmore Road3783%
    Forburg Road3165%
    Olinda Road3171%
    Durlston Road3089%
    Powerscroft Road3093%
    Brooke Road2874%
    Elderfield Road2580%
    Glyn Road25100%
    Kyverdale Road2576%
    Lavender Grove2477%
    Alkham Road2370%
    Clifden Road2391%
    Culford Road2376%
    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

    What the Hackney decision figures mean for you

    Householder applications in Hackney were decided in time 91.3% of the time, meaning within eight weeks or an agreed extension. A clean first submission matters more than a fast one: a validation query or a request for amended elevations costs more weeks than the statutory period saves.

    Terraced homes in the borough average £960,633, so the extra kitchen floor area a wraparound adds is worth real money, and a refused scheme is an expensive lesson. That is why the drawings carry a proper design statement on the rear height, the roof edge and the party boundary heights, not only plans.

    Domestic gardens make up 18.5% of the land in the borough, according to the Generalised Land Use Database, so back gardens are a recognised part of the character case. Taking too much of one is a standard objection.

    How we draw a wraparound for a Hackney terrace

    We survey the house, then draw the existing plans and the proposed ground floor as one model, so the rear wall, the side wall and the roof junction agree with each other. A wraparound has more corners than any other single-storey extension, and the corner is where leaks and planning objections both begin.

    The set covers existing and proposed plans, elevations and sections, plus a location plan, a block plan and a short design statement. If you would like to compare the rear-only option before committing, our rear extension drawings in Hackney show how much of the garden that version keeps.

    When the design sits within permitted limits, we can instead prepare a Lawful Development Certificate. The borough recorded 258 such applications in its latest return year, so the route is well used here.

    Design points that decide a Hackney wraparound

    Three details usually decide whether a wraparound sails through or comes back with questions. The first is the flank wall of the old rear outrigger, which often carries the only window to a middle room; roofing over that window turns a bright room into a borrowed-light one, so we show how daylight is kept, normally with a rooflight or a glazed strip.

    The second is height at the boundary. The side wall sits tight against the neighbour's garden, and a lower eaves line with a parapet or a sloping roof away from them keeps the visual bulk down. The third is drainage: many terraces have a shared sewer or gullies in the side return, and building over them needs the water company's consent. We flag the manholes on the survey before the layout is fixed, because moving a kitchen island is cheaper than moving a sewer.

    None of this is exotic, but it is the difference between drawings that describe a room and drawings that describe a buildable, defensible extension.

    Fees, party walls and what happens next

    A householder application to Hackney costs £548, paid to the council, and our fixed fee for the drawings is separate. Many wraparounds also need party wall notices for the side boundary, and often for the garden wall too. Our party wall notice service prepares them, and we suggest a word with both neighbours before the letters arrive.

    If the council asks for changes we redraw them without extra charge until the application is decided, and we can submit it for you through the planning portal. See everything we do in the borough on our architectural drawings in Hackney page.

    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.
    House extension under construction with scaffolding, new glazed doors and building materials
    Every side considered
    Flick across the turntable to spin it.

    Other services in Hackney

    Wraparound extension drawings nearby

    Questions

    Can I build a wraparound extension in Hackney without planning permission?

    Sometimes, on a house outside any conservation area or Article 4 direction, if the combined side and rear work stays inside the national limits. Hackney has 37 conservation areas, so check your address first.

    How many Article 4 directions does Hackney have?

    The council publishes 77 directions, mapped as 197 separate areas. Each removes certain permitted development rights in its area.

    Which Hackney guidance covers house extensions?

    The Residential extensions and alterations SPD. We read it alongside the local plan, Hackney Local Plan 2033 (LP33), before drawing.

    How much do the drawings cost?

    They start at £1,195 including VAT, fixed before you commit. The council's householder fee is £548 on top.

    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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