Get a Quick ADU Estimate. We'll Build It Right.

1. Size & style

Pick a size and an exterior style. Single or two-storey ADU / garden suite with a pitched roof. You choose colours and features in step 4.

How big?

Storeys

Style

2. Rooms

Just tell us what you need. No floor plan drawing required.

3. Finishes

Starter Grade is included in the base price. Ductless split heating & cooling is included at every tier.

4. Make it yours (optional)

Choose your exterior colours and features and watch your ADU update. Colours are included in your package and don’t change your estimate. You can fine-tune everything later with us.

5. Interior finishes (optional)

Pick one flooring for the whole home, plus wall, cabinet and counter colours, and watch them appear on your floor plan. Premium also offers a tile bathroom floor. We confirm exact products with you.

JAM Builders

Your ADU estimate

Estimated price range

Your choices

    Your ADU from every side

    Example layout

    Example layout only — your final plan is designed with you.

    Room breakdown

    Exterior colours & features

    Interior finishes

    What’s included at

    This is a preliminary estimate. Your final price depends on your property and choices.

    Common things that can change the price:

    • Lot access and site conditions
    • Soil, grading and drainage
    • Distance to and capacity of existing water, sewer/septic and hydro services (including possible panel or service upgrades)
    • Municipal permit fees, development charges and zoning requirements (setbacks, variances)
    • Survey and engineering requirements
    • Tree removal or demolition
    • Conservation authority or flood-zone rules
    • Material and labour price changes
    • Design changes or upgrades

    Your price is confirmed after a site visit and a final written quote. This estimate is not a binding offer. Prices in CAD, before HST.

    Get your free, detailed quote

    Leave your details and we'll be in touch, usually within 1 business day.

    Estimate