BuildRules/Cambridge/Interior alteration/Cost

Cambridge, Ontario / Permit cost

What does a interior alteration permit cost?

See the published permit fee information BuildRules has verified for a interior alteration project in Cambridge, Ontario, with the source and limits visible.

Check this for your address
Focused project answerLast verified Oct 29, 2026
Published fee information

City-issued 2026 simplified fee schedule, p.8: permitted residential interior alterations, renovations or finished basement work is $0.50/ft² of actual affected work area, minimum $143. Its renovations table lists a separate $150 zoning-review fee, while Group C residential (p.5) lists $25 for residential alterations/interior finishing; exact fee class must be confirmed with Cambridge before quoting a final amount.

Use this as a municipal-fee reference, not as the total project budget. Design, engineering, related applications and construction costs are separate.

Scope before arithmetic

Make sure the fee belongs to your project.

The permit statement above comes from the linked municipal guidance. The preparation items below help define your scope; confirm the final application checklist, property constraints and any separate trade approvals with the municipality.

Published municipal guidanceCheck the scope and stated conditions

Cambridge lists interior structural alterations and changes to walls among permit-required work. Kitchen or bathroom cupboards without plumbing, painting and decorating are listed as permit-exempt.

2026 permit-fee evidence$0.50/sq. ft., $143 minimum

2026 City-issued fee schedule p.8: residential renovations / interior alterations, measured on the actual affected work area. Separate zoning review is listed, but $25 vs $150 classification requires city confirmation.

Official sources behind this page

Published municipal guidanceCheck the scope and stated conditions

Cambridge lists interior structural alterations and changes to walls among permit-required work. Kitchen or bathroom cupboards without plumbing, painting and decorating are listed as permit-exempt.

Official sourceCity of CambridgeBuilding Permits · Permit triggers for structures, garages, openings and retaining walls
Verified2026-10-01Open proof
2026 permit-fee evidence$0.50/sq. ft., $143 minimum

2026 City-issued fee schedule p.8: residential renovations / interior alterations, measured on the actual affected work area. Separate zoning review is listed, but $25 vs $150 classification requires city confirmation.

Official sourceCity of Cambridge Building Services2026 Simplified Building Permit Fee Schedule (City-issued PDF supplied directly to BuildRules; publicly linked page is the Building Permits landing page) · Schedule effective January 1, 2026; pp. 1–2 (fee method), 5 (Group C), 7 (accessory structures), 8 (renovations), 9–11 (other permits). PDF attached to official city email of Oct 29; original attachment held privately.
Verified2026-10-29Open proof

Need the full project answer?

The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.

Open the interior alteration guide