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Slough, Berkshire

Architectural drawings in Slough

Slough is a town where fewer than half of households own their home: 48.5 per cent do, and 66.3 per cent live in a house or bungalow. That changes which routes apply, so our architectural drawings in Slough start with a free check of your address. We are MCIAT chartered architectural technologists, and fees start from £745 including VAT.

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We use it to check conservation areas and constraints.
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    Upper floors of a large yellow-brick Victorian house in London with chimney pots

    Slough in numbers

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Owner-occupied households48.5 % of households owner-occupied (owned outright or with mortgage/loan)Census 2021nomisweb.co.uk
    Households living in a house66.3 % of households living in a house or bungalow (detached, semi-detached or terraced)Census 2021nomisweb.co.uk
    Conservation areas5 named conservation areas published by the council—planning.data.gov.uk
    Listed building entries105 list entries (Historic England, within the LPA boundary)—planning.data.gov.uk
    Green Belt share of the council area27 % of council area covered by green-belt polygons—planning.data.gov.uk
    Householder decisions405 decisions1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications granted81 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications decided in time81.5 % decided within 8 weeks or an agreed extended period1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Larger home extension prior approvals granted6 decisions2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026)assets.publishing.service.gov.uk
    Larger home extension prior approvals refused43 decisions2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026)assets.publishing.service.gov.uk
    Lawful development certificate applications (PS1)157 certificates2025 Q2 to 2026 Q1 (1 Apr 2025 to 31 Mar 2026)assets.publishing.service.gov.uk
    Average price, flat218,068 GBP2026-07publicdata.landregistry.gov.uk
    Local planSlough Local Development Framework Core Strategy 2006-2026 (with Site Allocations DPD and saved Local Plan for Slough policies)—slough.gov.uk
    Supplementary planning documentResidential Extensions Guidelines Supplementary Planning Document (RESPD)2010slough.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 Slough
    Constraints check: SloughConservation areas: 5 named conservation areas published by the council. Listed building entries: 105 list entries (Historic England, within the LPA boundary)5Conservation areasA105Listed building entriesC

    Constraints check: Slough

    What we check first on any Slough address. Counts are for the whole council area.

    A · Conservation areas
    5 named conservation areas published by the council
    C · Listed building entries
    105 list entries (Historic England, within the LPA boundary)

    Why prior approval rarely works in Slough

    The numbers are blunt. In the latest published year the council granted 6 larger home extensions by prior approval and refused 43. Upward extensions were split evenly, with 1 granted and 1 refused.

    A refusal rate that high means the prior approval route is risky for a deep rear extension in the town, and we say so before you pay for the application. Often a householder application, judged against the council's own guidance, is the safer course.

    Our planning drawings in Slough are built for that route.

    Rows of brick terraced houses and gardens on a residential street

    Slough's guidance and policy documents

    The core planning documents are the Slough Local Development Framework Core Strategy 2006-2026 (with Site Allocations DPD and saved Local Plan for Slough policies), adopted in 2,008. They are long-standing documents, so we check whether any newer evidence or appeal decision has moved the council's thinking.

    For household extensions the practical guide is the Residential Extensions Guidelines Supplementary Planning Document (RESPD). It is the document officers use to judge extensions to existing homes. We draw to it and mark the compliance points on the plans.

    Householder decisions in Slough

    The council decided 405 householder applications between July last year and June this year and granted 81 per cent. 81.5 per cent were decided within eight weeks or an agreed extension.

    Minor applications, such as one or two new homes, were granted at 78.6 per cent, with 71.8 per cent decided on time.

    These are historic figures for the town, useful for planning a programme but never a promise about one house.

    Flats, leases and landlords in Slough

    Permitted development does not apply to flats, so flat owners here almost always need an application, and often a landlord's licence as well. Where a block has a freeholder, their consent may be needed before work starts.

    If you own a house and want to split it, our flat conversion drawings in Slough cover layout, parking and refuse storage. The council has no Article 4 direction for small HMOs, but a change of use still needs checking against the plan.

    Heritage and Green Belt around Slough

    The council publishes 5 conservation areas. Historic England lists 105 entries: 5 at Grade I, 7 at Grade II* and 92 at Grade II.

    There are 4 registered parks and gardens and 2 scheduled monuments, with no entries on the Heritage at Risk Register. Around 27 per cent of the borough is Green Belt, which matters on the edges.

    Prices, lawful development and levy in Slough

    A terraced house averages £355,644, a semi-detached £457,835 and a flat £218,068. The twelve-month change to July was -1.8 per cent.

    The council has no Community Infrastructure Levy. It received 157 lawful development certificate applications in the latest published year, a route our Lawful Development Certificate service covers for permitted work.

    How a Slough job runs

    You send the address, a few photographs if you have them, and a description of the change. Messages sent before three in the afternoon get a reply the same working day, and the first answer is the constraints check.

    If an application is needed, we measure the property or use your survey, draw the existing and proposed layouts and prepare the location and block plans, which are free inside a planning package. Drawings take about seven days after the survey.

    Another chartered technologist checks the set before submission. If the council asks for amendments, we redraw without charge until the application is decided.

    More architectural drawing services in Slough

    Beyond drawings, we can help with building regulations drawings in Slough and loft conversion drawings for houses with roof space. Councils nearby are covered on our pages for Buckinghamshire, Hillingdon and Spelthorne.

    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.
    Georgian brick terrace with sash windows, arched fanlight doorways, stone steps and iron railings in London
    The street around you
    Move across the plinth — the blocks rise around the pointer.

    Questions

    Do I need planning permission to extend a flat in Slough?

    Almost always yes, because permitted development does not cover flats. You may also need your freeholder's consent. Send us the address and we confirm the route.

    How much are architectural drawings in Slough?

    Householder planning drawings start at £745 including VAT, fixed up front. The council's application fee is separate.

    Which guidance does Slough use for house extensions?

    Mainly the Residential Extensions Guidelines Supplementary Planning Document (RESPD). Our drawings are prepared against it.

    Does Slough charge the Community Infrastructure Levy?

    No, the council has no borough levy in force. We recheck the position at submission.

    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.