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Architectural drawings · Wandsworth

Architectural drawings in Balham

Fixed-fee planning, building regulations, loft, extension and mansard drawings for properties in Balham (SW12). MCIAT chartered. 30% below typical London architect rates.

Balham at a glance

Borough
Wandsworth
Postcodes
SW12
Dominant stock
Victorian and Edwardian terraces
Local landmarks
Balham High Road
Article 4 in force
Yes
Conservation areas in borough
45
London terraced street — typical residential housing for architectural drawings in Wandsworth
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Tell us about your project

MCIAT chartered drawings for planning, building regs, lofts and extensions — fixed fees 30% below typical London architects. Tell us what you need and we’ll reply the same working day.

  • MCIAT chartered
  • Same working-day reply
  • Fixed fees from £840

Local context

Why Balham needs a specialist

Balham is Victorian and Edwardian terraces. The streetscape is dominated by victorian and edwardian terraces, which means design decisions — roofscape, rear glazing, side returns, mansards — must respect the period rhythm of the row. Wandsworth planning (Wandsworth Council) decides applications here. Article 4 for HMO conversions covering the whole borough.

Services in Balham

Frequently asked in Balham

Balham planning questions

Do I need planning permission for an extension in Balham?

Balham sits within Wandsworth, so applications are decided by Wandsworth Council. Most single-storey rear extensions and side-returns on terraced or semi-detached homes in Balham fall under Permitted Development — up to 3m deep (attached) or 4m (detached), under 4m high. Flats, listed buildings and conservation areas always require full planning. Article 4 status here: Yes. We check eligibility free at the site visit.

What's the dominant housing stock in Balham?

Balham is characterised by Victorian and Edwardian terraces. The dominant stock is Victorian and Edwardian terraces. We've drawn extensions and lofts for every period represented here — Victorian rear additions, Edwardian side returns, 1930s wrap-arounds, and contemporary infill where the streetscape allows.

How long does a planning application take in Balham?

Wandsworth Council statutory determination is 8 weeks for householder applications. Validation typically adds 1–2 weeks. From your first call to a decision, expect 12–14 weeks total: 1 week measured survey, 2 weeks design, 1–2 weeks validation, 8 weeks determination. We've achieved a 98% first-time approval rate across Wandsworth.

How much does a loft conversion cost in Balham?

Loft conversion drawings in Balham start at £1,225 for planning + building regs combined. Construction cost (separate from drawings) is £45,000–£75,000 for a standard rear dormer on a Victorian or Edwardian terrace, £65,000–£95,000 for a hip-to-gable plus dormer. We quote drawings as a fixed fee — no hourly creep.

Are there conservation areas in Balham?

Wandsworth has 45 designated conservation areas. Nearest to Balham: Wandsworth Common. In a conservation area, full planning is required for most external work (including roof additions, rendering, replacement windows). We prepare a Heritage Statement covering the conservation area's character appraisal.

Nearby in Wandsworth

Other neighbourhoods we cover

Postcodes covering Balham

All of Wandsworth →

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Which Balham postcodes does this drawing package service cover?

Every Balham postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. Balham fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
SW12BalhamVictorian and Edwardian terracesA drawing package in Balham may land with Wandsworth Council or Lambeth Council — SW12 crosses the boundary, and the SW12 policies map decides it street by street.
SW11Clapham JunctionVictorian terraces, mansion blocksNeighbouring Clapham Junction, where drawing package work is handled by the same Wandsworth Council case officers.
SW8BatterseaVictorian terraces, new-build apartmentsNeighbouring Battersea, where drawing package work is handled by the same Wandsworth Council case officers.
SW17TootingEdwardian terracesNeighbouring Tooting, where drawing package work is handled by the same Wandsworth Council case officers.
SW17Wandsworth CommonVictorian villas and terracesNeighbouring Wandsworth Common, where drawing package work is handled by the same Wandsworth Council case officers.
SW18EarlsfieldVictorian terracesNeighbouring Earlsfield, where drawing package work is handled by the same Wandsworth Council case officers.
SW15PutneyEdwardian terraces, Victorian villas, mansion blocksNeighbouring Putney, where drawing package work is handled by the same Wandsworth Council case officers.
SW18Southfields1930s semi-detached, Edwardian terracesNeighbouring Southfields, where drawing package work is handled by the same Wandsworth Council case officers.
SW18TonsleysVictorian terracesNeighbouring Tonsleys, where drawing package work is handled by the same Wandsworth Council case officers.
SW12Nightingale TriangleEdwardian terraces and villasNeighbouring Nightingale Triangle, where drawing package work is handled by the same Wandsworth Council case officers.
SW15RoehamptonPost-war estates, Georgian villasNeighbouring Roehampton, where drawing package work is handled by the same Wandsworth Council case officers.

Which Balham neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few Balham streets, and each one changes what a drawing package can achieve at that address.

What local planning policy applies to a drawing package in Balham?

Conservation areas covering Balham: Wandsworth Council runs 45, and Tonsley, Magdalen Park, Nightingale Triangle are the ones Balham owners meet most. A drawing package inside a Balham conservation area loses permitted development, so the Balham submission is a householder application at £258 decided in 8 weeks — not a £120 prior approval decided in 6 weeks. In Tonsley a drawing package is judged on the street elevation first.

What Article 4 removes near Balham: Article 4 for HMO conversions covering the whole borough. Before pricing a drawing package we check whether the SW12 address is inside the mapped area, because Wandsworth Council draws the Balham boundary street by street rather than across the whole of Balham.

Balham housing stock: Extensive Victorian terraced streets — the classic London side-return extension opportunity; Edwardian villas around the commons; 1930s semi-detached in Southfields. Family-oriented, high side-return extension and loft conversion rates; planning department experienced with Victorian terrace modifications. Read that before choosing a drawing package route in Balham — construction, not postcode, sets what is achievable. Architectural drawings in Balham start at £840 on a fixed fee, or £1,750 for the Complete package covering both Wandsworth Council submissions.

Who decides a drawing package on the edge of Balham?

Sources for this Balham drawing package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

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