Decks, gazebos, pergolas and privacy screens engineered for Ontario winters.
- Design & quote
- 3 — 7 days
- Permit review
- 2 — 6 weeks
- Standard deck build
- 1 — 2 weeks
- Deck + gazebo
- 2 — 4 weeks
Deck & Gazebo in Whitby — the short answer
Deck and gazebo construction covers the design, permitting and building of raised or grade-level outdoor structures — including footings below the frost line, pressure-treated framing, and pressure-treated, cedar, composite or PVC decking. In the GTA in 2026, professionally built decks cost roughly $30 to $50 per square foot in pressure-treated lumber, $50 to $75 in cedar, $65 to $90 in composite, and $80 to $110 in PVC. In Whitby, deck permits are issued by Town of Whitby Building Services, and a permit is generally required once a deck is attached to the house or sits more than 600 mm above grade.
What we can build in a Whitby backyard is set by grade, lot width and what the house can carry. Downtown Whitby and Port Whitby hold pre-war and mid-century homes with the structural quirks that come with age. Williamsburg, Rolling Acres, Taunton North and Brooklin are 1995 onward — poured foundations, tall basements, bathroom rough-ins and 200 amp services as standard.
Brooklin's newer streets have consistent builder framing and duct layouts, which lets us quote accurately from a single site visit and hold the schedule tightly.
Permits — Town of Whitby Building Services
Whitby permits additional dwelling units subject to permit and registration. Brooklin and Taunton North homes are excellent second-suite candidates: ceiling height and service capacity are almost never the limiting factor, so design turns on entrance placement.
Deck & Gazebo pricing
- Pressure-treated deck$30 — $50 / sq ft
- Cedar deck$50 — $75 / sq ft
- Composite deck$65 — $90 / sq ft
- PVC deck$80 — $110 / sq ft
- Gazebo or pergola$12,000 — $38,000
A 200 sq ft pressure-treated deck typically lands near $8,000; the same deck in composite with glass railing is $20,000 or more. Helical piles instead of poured footings add roughly $350 to $600 per pile.
Neighbourhoods
Brooklin · Williamsburg · Rolling Acres · Port Whitby · Downtown Whitby · Taunton North · Pringle Creek · Blue Grass Meadows
These apply to every deck & gazebo project in Whitby. Town of Whitby Building Services is the final authority and we confirm each item against your specific property before quoting.
Multi-level & wrap-around decks
Engineered framing, stair runs with code-compliant rise and run, and level changes that follow your grade instead of fighting it.
Gazebos & pergolas
Freestanding and attached structures with post bases above grade, hardware-connected beams, shingled or louvred roofs, and screening options.
Composite & PVC decking
Trex, TimberTech and PVC systems installed with hidden fasteners, breather gaps, and picture-frame borders that cover the cut ends.
Cedar & pressure-treated builds
Kiln-dried cedar and PT framing with joist tape, hot-dip galvanised hardware and a first coat of sealer before we hand it over.
Railings & glass panels
Aluminium, glass, cable and wood railings at code height, with posts through-bolted to the frame rather than face-screwed to the rim.
Privacy screens & outdoor rooms
Slatted privacy walls, under-deck storage, integrated benches and planters, low-voltage stair and post lighting.
Not seeing your question? Call or text (647) 928-3544 — we answer same day, usually within 2 hours.
Town of Whitby Building Services handles permits for Whitby. Whitby permits additional dwelling units subject to permit and registration. Brooklin and Taunton North homes are excellent second-suite candidates: ceiling height and service capacity are almost never the limiting factor, so design turns on entrance placement. We prepare the drawings, submit the application, respond to plan-review comments and call every inspection through to a closed permit, so you are not standing in a queue at City Hall.
We come to you in Whitby, measure on site, and hand back a written line-by-line quote at no cost. Same day, usually within 2 hours response.
Same day, usually within 2 hours· Serving the GTA, Hamilton, Guelph & Kitchener