2026 cost guide · London, Ontario

House Painting Cost in London (2026)

Compare DIY material costs against professional painting quotes for interiors and exteriors in London.

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Typical house painting costs in London

Mature neighbourhoods on heavy clay soil, with big lots and a deep bench of local contractors. Clay-soil movement in London opens caulk lines and cracks stucco — exterior repaints here should always include full recaulking.

ProjectTypical rangeNotes
Interior, whole home (pro)$1,460–$2,510+Typical 1,500 sq ft home; ceilings, trim, and repairs add on
Interior, DIY materials$280–$410Paint, primer, rollers, tape, drop sheets — your labour is free
Interior per sq ft (pro)$2–$4Walls only; per-room pricing runs $300–$800
Exterior per sq ft (pro)$3–$6Siding, brick, or stucco; prep condition drives the range
Cabinets / specialtyQuoted per projectSprayed cabinet refinishing is a different trade and price
London price check: London's competitive local market keeps quotes near the middle of these ranges; clay-soil drainage work is the common add-on.

What moves the price in London

  • Prep condition — patching, sanding, and caulking beat-up walls is where pro quotes diverge most.
  • Colour changes — dark-to-light needs extra coats; each coat is labour and material.
  • Ceiling height and stairwells — anything needing tall ladders or scaffolding costs more.
  • Trim and doors — brushwork on trim, casings, and doors is slow, skilled labour.
  • Exterior substrate — peeling paint, wood rot repair, and power-washing prep all add up before the first coat.

Local notes for London homeowners

  • London's clay soil expands and contracts with moisture — drainage and base work are critical, not upsells.
  • Mature tree canopy is protected in many areas; root zones complicate excavation and planting plans.
  • Post-war bungalows dominate many streets — small bathrooms and single-car driveways are the typical scope.

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House Painting Cost in London: FAQ

How much does it cost to paint a house interior in London?

Professional interior painting in London runs about $2–$4 per square foot of floor space — roughly $1,460–$2,510 for a typical 1,500 sq ft home, more with high ceilings, trim work, or heavy prep. DIY materials for the same home run $280–$410. London's competitive local market keeps quotes near the middle of these ranges; clay-soil drainage work is the common add-on.

How much does exterior painting cost in London?

About $3–$6 per square foot of floor space for a pro job, depending on siding condition, height, and how much scraping and caulking is needed. In London, exterior paint needs a full cure before the first hard frost — that means finishing well before late fall. Exteriors in London should be painted May through September for proper cure times.

Is it cheaper to paint it myself in London?

On materials alone, dramatically — $280–$410 vs $1,460+ for a typical interior. The real cost is your time: a whole main floor is a full long weekend for two people, and cut lines, ceilings, and stairwells are where DIY finishes show. Hire out if you have a two-storey foyer or hate taping.

How often should a London home exterior be repainted?

Every 7–10 years for wood siding, 10–15 for well-prepped brick or fiber cement. South- and west-facing walls weather fastest. If paint is chalking, peeling, or the caulk lines have opened up, you're overdue — waiting lets moisture into the substrate.

How do I pick a painter in London?

Ask what paint line they use (and why), how many coats are in the quote, and what's included for prep — a quote that's 30% cheaper usually skipped the prep. Confirm liability insurance; WSIB matters on exteriors with ladder work. Use the quote form below and we'll connect you with qualified local pros.

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