020 7864 7245Request a fixed quote

Redbridge, London

Velux loft conversion drawings in Redbridge

Velux loft conversion drawings in Redbridge can use the front roof slope. The council's Housing Design SPD says rooflights are generally acceptable at the front, reflecting the position of first-floor windows. We draw Velux conversions here from £695 including VAT, in a borough where 66.2 per cent of households live in houses.

From £695 (VAT included)

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

Request a fixed quote

We use it to check conservation areas and constraints.
Pick the council that decides your application.
A few lines: what you want to build, and anything the council has already said.
Add photos or drawings

Drop files here or choose from your device

PDF, JPG, PNG, DWG · up to 10 files, 90 MB in total

    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 velux loft conversion 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.

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

    Front rooflights that follow the windows below

    Redbridge's Housing Design SPD, the Housing Design Guide SPD, takes a more practical line: rooflights are generally acceptable at the front, provided they reflect the position of the first-floor windows. The document and its section on roof alterations go in our covering note, so the officer sees the rule being applied.

    In practice that means a rooflight centred over each first-floor window, not a free-floating row. For a bay-fronted semi with a pair of windows we would show two units, matched to the window centres, and check the alignment on the front elevation before anything is priced. A house with a single first-floor window gets one unit, however much light the room might want.

    The national limit still applies on every slope: Roof alterations (e.g. rooflights) may not protrude more than 0.15 m beyond the roof plane. The council's preference for alignment and the national limit on projection work together, giving a front slope that reads as part of the house.

    Slate-clad roof extension on a yellow-brick London terraced house

    Local figures for Redbridge

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Households living in a house66.2 % of households living in a house or bungalow (detached, semi-detached or terraced)Census 2021nomisweb.co.uk
    Householder decisions991 decisions1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications granted82.8 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications decided in time94.7 % decided within 8 weeks or an agreed extended period1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Conservation areas16 named conservation areas published by the council—planning.data.gov.uk
    Listed building entries134 list entries (Historic England, within the LPA boundary)—planning.data.gov.uk
    Average price, terraced534,863 GBP2026-07publicdata.landregistry.gov.uk
    Local plan adopted2,018—redbridge.gov.uk
    Supplementary planning documentHousing Design Guide SPD2019redbridge.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 Redbridge

    Householder applications by street in Redbridge

    Streets in Redbridge with the most householder applications, and the share approved
    StreetApplicationsApproved
    Wensleydale Avenue3773%
    Kings Avenue3371%
    Gyllyngdune Gardens3239%
    Malford Grove3171%
    Wanstead Park Avenue2989%
    Broadwalk2791%
    Falmouth Gardens2788%
    Levett Gardens2758%
    Beehive Lane2548%
    Goodmayes Lane2471%
    High View Road2483%
    Woodlands Avenue2486%
    Beattyville Gardens2378%
    Bressey Grove2386%
    Monkhams Avenue2386%
    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.
    Loft enlargement in section: the permitted development limitsExtra roof volume allowed: 40 m³ (terrace house) / 50 m³ (any other house) additional roof volume. Set-back from the eaves: Original eaves maintained; enlargement set at least 0.2 m from the eaves measured up the roof slope, so far as practicable (not required for hip-to-gable or roofs joining a rear/side extension). Height limit: No part higher than the highest part of the existing roofABC

    Loft enlargement in section: the permitted development limits

    A dormer on the rear slope, with the limits that decide whether it needs planning permission.

    A · Extra roof volume allowed
    40 m³ (terrace house) / 50 m³ (any other house) additional roof volume
    B · Set-back from the eaves
    Original eaves maintained; enlargement set at least 0.2 m from the eaves measured up the roof slope, so far as practicable (not required for hip-to-gable or roofs joining a rear/side extension)
    C · Height limit
    No part higher than the highest part of the existing roof

    A borough of houses with a lot of loft potential

    Redbridge is a borough led by houses. 66.2 per cent of households live in a house or bungalow, and the borough decided 991 householder applications in the latest twelve months of published figures, so loft work is a normal part of that flow.

    Of those decisions, 82.8 per cent were granted and 94.7 per cent were decided within eight weeks or an agreed extension. A grant rate below nine in ten says that design quality matters, and the timing record is good enough that a householder application is a reasonable route when permitted development is not available.

    Where rights stop: conservation areas, listings and HMOs

    Redbridge has 16 conservation areas and 134 listed building entries, a modest total beside inner London. A house outside both can usually rely on Class C. Inside a conservation area the front-slope guidance still helps us argue for aligned units, but the permitted development position needs checking by the lawful development certificate route or a householder application.

    The borough also has an Article 4 direction for houses in multiple occupation. A loft bedroom in a family home is not an HMO, and we describe it that way on the plans. Where the true plan is shared occupation, the HMO conversion drawings route is the one to take.

    Value, stair and escape in a Redbridge semi

    A terraced home in Redbridge averages about £534,863 in the latest index. The extra room has to be a proper bedroom, not a headroom compromise, so we begin with a measured section. Across every property type the borough average is £481,297, and it moved by -2.7 per cent over twelve months, so we size the new room to the house and its street, not to a guess about the market.

    The stair is the first test. The reduced standard is: Loft conversions where 2.0 m cannot be achieved: 1.9 m at the centre of the stair, 1.8 m at the side (half width). Then the escape window: Escape window: unobstructed openable area at least 0.33 m², at least 450 mm high and 450 mm wide, bottom of opening no more than 1100 mm above floor. A front rooflight that lines up with a first-floor window may serve as the escape unit, an advantage where the council accepts front units.

    Where height is short, dormer loft conversion drawings in Redbridge provide the extra volume, and loft conversion drawings in Redbridge compares the shapes.

    Energy, fire and structure

    New glazing has a thermal limit: 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. Above the stated height the stair needs protection: New storey above 4.5 m by loft conversion: protect the full escape route with fire-resisting doors (min E 20) and partitions (min REI 30).

    Joists and steel come from your engineer through structural calculations, and our building regulations drawings carry the floor, stair and roof build-up into the building control submission.

    Fee, checking and neighbouring boroughs

    The fee is £695 including VAT, fixed in advance. A second MCIAT chartered technologist checks every sheet, and we redraw for the council without charge.

    The borough's wider picture is under architectural drawings in Redbridge. Neighbours with different guidance include Newham, Waltham Forest and Havering.

    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.
    Converted loft bedroom with roof windows and a Juliet balcony
    Storey by storey
    Move up and down — the car travels between floors.

    Questions

    Can I have Velux windows on the front of my Redbridge house?

    Often yes. The council's Housing Design SPD says front rooflights are generally acceptable when they reflect the first-floor windows.

    Do I need planning permission for Velux windows in Redbridge?

    For a house with its rights, often not, within this limit: Roof alterations (e.g. rooflights) may not protrude more than 0.15 m beyond the roof plane. Conservation areas and listed buildings can change that.

    How many householder applications does Redbridge grant?

    The latest published figure is 82.8 per cent. It is a statistic for all householder work, not a forecast.

    What do the drawings cost?

    £695 including VAT, fixed and published.

    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.