Projects

Real extension decisions, not just finished-room photos

Selected pathways across Lindfield, Mosman, Wahroonga and wider Sydney North Shore / Eastern Suburbs, shown by homeowner problem, land constraint, approval strategy and GY & CO’s role.

North Shore second storey

Lindfield · Ku-ring-gai Council · Second Storey

More rooms without leaving the school zone

For a Lindfield family who had outgrown the original footprint but wanted to stay close to school, station and neighbours.

  • Owner briefAdditional bedrooms and a calmer family layout without moving suburb.
  • ConstraintExisting roof form, structural capacity and streetscape character needed to be tested before drawings.
  • GY & CO roleFeasibility, design coordination, approval pathway review and licensed construction.
  • OutcomeA second-storey pathway progressed only after structure and approval risk were understood.
Under construction ยท 2026
Eastern Suburbs ground extension

Mosman · Rear Ground-Floor Extension

A darker rear home turned into the main family zone

For a Mosman family-space pathway, the goal was not a larger house for its own sake. It was more light, better flow and a backyard connection that worked every day.

  • Owner briefOpen living, better kitchen connection and a more usable rear family space.
  • ConstraintRear setback, light, drainage, site access and construction staging had to be resolved early.
  • GY & CO roleLand-first strategy, design coordination and construction planning.
  • OutcomeThe extension scope was aligned to the block before finishes and detailed drawings drove cost up.
Strategy-led delivery
Upper North Shore feasibility

Wahroonga · Ku-ring-gai Council · Feasibility

Testing whether dual occupancy was smarter than renovating

A Wahroonga large block can still have the wrong frontage, constraints or market logic. The first job was to decide whether the idea deserved more money.

  • Owner briefUnderstand whether to renovate, rebuild, add a granny flat or test a dual-occupancy pathway.
  • ConstraintLot width, zoning, parking, tree canopy, easements and capital pathway needed review.
  • GY & CO rolePlanning data review, pathway recommendation and next-step feasibility scope.
  • OutcomeThe family received a clearer decision before spending on full architectural plans.
Feasibility stage
Planning and feasibility review

Planning · Feasibility

Mapped FSR, site constraints and approval pathway before design commitment.

Whole-home renovation rough-in

Whole-Home · Renovation

Services, waterproofing and internal sequencing checked before finishes were selected.

New build framing

New Build · Framing

Structure and site logistics managed after the land strategy was confirmed.

How We Think

Proof should show the decision, not just the finish.

As more verified project data is added, each story can include confirmed approval pathway, added floor area, timeframe and budget performance.

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2026 Planning Context

Current data behind the land-first decision

$3.09T NSW land value

NSW land values reached $3.09 trillion at 1 July 2025, based on more than 66,000 property sales analysed by the Valuer General.

Source: NSW Valuer General.

450sqm dual occupancy standard

NSW Low and Mid-Rise standards use 450sqm minimum lot size, 12m minimum width and 0.65:1 FSR for dual occupancies in eligible areas, subject to zoning, site constraints, local controls and applicable planning provisions.

Source: NSW Planning.

Sydney values under pressure

Cotality reported Sydney dwelling values fell 0.9% in May 2026, making feasibility and approval certainty more important before major capital spend.

Source: Cotality HVI June 2026.