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OnGrid Design

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Interior Cost Planner

Plan measured interior painting from transparent Market-Zone public signals and see explicit unavailable states for unsupported work.
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Your inputs are sent only to OnGrid’s calculation endpoint for this result. They are not sent to analytics or saved.

This tool needs JavaScript. The method, assumptions, and sources above still apply. To get a range without JavaScript, start a project conversation.

Method

Ratebook revision
Versioned Market-Zone public-signal revision
Effective
2026-08-20
Reviewed
CMS promotion remains limited to active independently approved ratebooks
Public sources
Approved CMS ratebooks are preferred; a sealed exploratory baseline keeps supported painting guidance usable

Scenario

  • Painting uses measured paintable interior surface area.
  • Tiling uses measured net dry-room floor area and the exact confirmed scenario.

Not included

  • BHK, carpet-area or room-geometry multipliers.
  • A contractor quotation, bill of quantities, tax normalization or exact municipal rate.

This result is an indicative planning range. It is not a quotation or professional cost certification.