Granny flat / secondary dwelling in Surry Hills
Surry Hills is City of Sydney Council's late-victorian and edwardian terrace housing submarket. Surry Hills has roughly 60% of its stock inside a Heritage Conservation Area, so even non-structural front-elevation work (paint colour, awning replacement, balcony detailing) needs DA review under the City of Sydney's Heritage DCP — typically a 6-8 week assessment.
What a granny flat / secondary dwelling project looks like here
Surry Hills has roughly 60% of its stock inside a Heritage Conservation Area, so even non-structural front-elevation work (paint colour, awning replacement, balcony detailing) needs DA review under the City of Sydney's Heritage DCP — typically a 6-8 week assessment.
Many Surry Hills warehouse conversions retain heavy-timber post-and-beam structural frames; any change of use or partition relocation requires a structural engineer's check plus a Section J energy upgrade where the building exceeds 500m² — adding scope a typical residential project doesn't see.
The City of Sydney's small-lot DCP allows 'side-access' rear extensions on terraces under 5m wide as Complying Development through a CDC, bypassing the full DA — this saves roughly 8-12 weeks on programmes that fit the envelope.
SEPP (Affordable Rental Housing) 2009 secondary-dwelling pathway — 60sqm cap, by-right on lots over 450sqm, CDC-approved in most LGAs. In Surry Hills specifically, late-victorian and edwardian terrace housing stock means granny flat / secondary dwelling scope is shaped by the neighborhood's dominant construction typology. Baily's Sydney scoping flow factors surry hills heritage conservation area and fsr (floor space ratio) cap typically 0.75:1 r2 / 1.5:1 mixed-use into the estimate before a contractor is involved.
Start your Surry Hills scope — Baily asks the right questions.
Pre-seeded for granny flat / secondary dwelling in Surry Hills. Mention your 95-220 sqm (1,020-2,370 sqft), your timeline, and any known constraints — Baily factors the city of sydney council da + nsw fair trading + hbcf review queue into the scope.
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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
Surry Hills granny flat / secondary dwelling projects typically run $95K–$245K. Surry Hills's late-victorian and edwardian terrace housing stock, combined with surry hills heritage conservation area — city of sydney lep 2012, puts most mid-complexity projects in the $170K range. Baily scopes the exact band once you describe the work.
Nearest neighborhoods
Same service, adjacent Sydney submarkets.