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Home additions in The Annex

The Annex is Toronto-East York District (Old City)'s late-victorian annex-style row houses (1880-1900) submarket. The Annex Heritage Conservation District (designated 2014) covers most of the area between Bloor and Dupont, Bathurst and Avenue Road — exterior alterations to character-defining elements (Annex-style turrets, rusticated stone, leaded glass) require a Heritage Permit on top of the Building Permit, adding 6-10 weeks to consent.

The Annex cost range
$215K$1.2M
typical mid-complexity
Permit authority
Toronto Building + Toronto Heritage Preservation Services
16-30 weeks (Building Permit 8-14 weeks + COA + Heritage where applicable)
Typical home size
185-485 sqm (2,000-5,220 sqft); 2.5-3 storey detached + semi-detached
Borough · ZIP
Toronto-East York District (Old City)
M5R
Annex Heritage Conservation District (HCD) — designated 2014HCRA + TARION — mandatory on new constructionOBC 2024 + Toronto Green Standard v4 Tier 1Tree Protection By-law Chapter 813

What a home additions project looks like here

The Annex Heritage Conservation District (designated 2014) covers most of the area between Bloor and Dupont, Bathurst and Avenue Road — exterior alterations to character-defining elements (Annex-style turrets, rusticated stone, leaded glass) require a Heritage Permit on top of the Building Permit, adding 6-10 weeks to consent.

Most Annex row houses have shared masonry party walls with shallow rubble-stone footings at roughly 1.2m depth — basement underpinning here requires both a Toronto Building structural-engineer review and notice to the abutting owner under the Construction Lien Act, typically running 3-4 weeks of pre-construction lead time.

Toronto's Tree Protection By-law (Chapter 813) covers any tree over 30cm diameter measured at 1.4m height — the Annex has an unusually high density of mature silver maples and Norway spruces, so most rear-extension scopes need an arborist report and tree-protection plan.

Rear additions, second-storey additions, dormers — Toronto Building Permit + COA minor variance where envelope exceeds zoning, HCD overlay on heritage stock. In The Annex specifically, late-victorian annex-style row houses (1880-1900) stock means home additions scope is shaped by the neighborhood's dominant construction typology. Baily's Toronto scoping flow factors annex heritage conservation district (hcd) and hcra + tarion into the estimate before a contractor is involved.

Start your The Annex scope — Baily asks the right questions.

Pre-seeded for home additions in The Annex. Mention your 185-485 sqm (2,000-5,220 sqft), your timeline, and any known constraints — Baily factors the toronto building + toronto heritage preservation services review queue into the scope.

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Origin

Who is Baily?

Baily is named after Francis Baily — an English stockbroker who retired at 51, became an astronomer, and in 1836 described something on the edge of a solar eclipse that nobody had properly articulated before: a string of bright beads of sunlight breaking through the valleys along the moon’s rim.

He wasn’t the first to see them. Edmond Halley saw them in 1715 and barely noticed. Baily’s contribution was clarity — describing exactly what was happening, in plain language, so vividly that the whole field of astronomy paid attention. The phenomenon is still called Baily’s beads.

That’s what we wanted our AI to do. Every inbound call and text has signal in it — a homeowner’s real question, a timeline, a budget, a hesitation that means “yes but.” Baily listens to every one, 24/7, and finds the beads of light.

Baily was a businessman before he was a scientist. That’s our vibe too.

Questions LA homeowners actually ask

Nearest neighborhoods

Same service, adjacent Toronto submarkets.

Other projects we scope in The Annex

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