Get a quote
05 · Residential building and construction

Second storey and first floor additions

Going up instead of out is usually the answer on a Sydney block, and it is the project most likely to be quoted vaguely. The roof comes off, the house is open, and the programme is the thing that protects you.

Inside the Mosman studio, herringbone parquetry and a wide window to the trees
  • Featured in Home Beautiful
  • NSW builder’s licence 313669C
  • 5.0 on Google, 9 reviews
  • Northern Beaches, North Shore & South Coast
What it covers

Included in this service

01

Feasibility first

Whether the existing footings and structure will carry another level, established before you spend money on design.

02

Approvals

Height, setback and privacy are where these applications are won or lost. We design for that from the start.

03

Structural work

Underpinning, steel and new floor framing, staged so the house is closed in again as quickly as it can be.

04

Weather protection

A published plan for how the house is protected while the roof is off, not a tarp and an apology.

05

Finish to match

The addition should look like it was always there, inside and out.

Covered outdoor kitchen and dining terrace beside the pool, Concord
Why it matters

The difference one team makes.

A published programme and weekly reporting, so you know when the roof comes off and when it goes back on.

You get a complete itemised price before the job starts, a flexible pricing structure, one site supervisor who is on your job, a published programme with weekly reporting, and a defects walk with a twelve month check after you move in.

How we work, stage by stage
Proof

We have done this.

The front of 27 Forsyth Street after the top storey addition

Willoughby: Top storey addition, Forsyth Street

Top storey addition · 2026

Bought as an investment. We walked the property with the client during the inspection stage, before they had committed to buying, and worked out that the highest return would come from adding a top storey. The plans and approvals went through as a council CDC and were finished inside the three months before settlement, so construction could start immediately rather than waiting on a consent.

See the project
“His communication was top notch through the entire process.”
Trent Nicholson · Google review · Narrabeen

Thinking about a project?

We will come and look, and tell you what it will really cost.

Call now Get a quote