Two-storey family home
A 240 square metre new build in Parkgate. Slab to handover in eleven months.
Houses · extensions · commercial
Built once.
Built once.
Built properly.
Twenty-seven years, four hundred and ten finished projects, and a fixed price before we start. No surprise invoices at the end and no crew that disappears for three weeks.
Licensed & insured
10-year workmanship guarantee
Fixed price, fixed dates
Own crew, no subcontractor chains
Recent work
Proof first. Sales talk later.
Every project below was finished on the agreed date. You are welcome to speak to any of these owners before you decide anything.
Warehouse & office fit-out
A 900 square metre steel frame warehouse with a two-floor office at the front.
Six-unit townhouse row
Six three-bedroom townhouses on one block. All six sold before completion.
Kitchen & rear extension
Knocked through, extended four metres, and the family stayed in the house throughout.
Site clearing & groundwork
Levelling, drainage and foundations for a hillside block that three builders turned down.
Design & build package
Architect, engineer and builder under one contract, so nobody can blame anybody else.
Services
What we take on
New homes
From an empty block to keys in your hand, with one point of contact throughout.
Extensions
Extra room, second floor, or opening the back of the house up to the garden.
Commercial
Warehouses, offices and fit-outs, scheduled around your trading hours.
Renovation & repair
Older buildings brought up to standard, including the parts nobody can see.
How we work
Five steps, and you always know which one you are on
01
Site visit
We come out, look at the job properly, and tell you honestly whether it is worth doing.
02
Fixed written quote
Itemised, with what is included and what is not. Free, and yours to keep either way.
03
Dates agreed in writing
A start date and a finish date, plus what happens if we miss them.
04
We build
Photos every Friday, so you can see progress even if you never visit the site.
05
Handover & guarantee
We walk through it with you, fix the small things, then guarantee the work for ten years.
Why us
Twenty-seven years without a court case
That is not luck. It is a written quote, a written schedule, and a crew that has worked together for years.
410Projects finished
27Years in business
10Year guarantee
96%Finished on the agreed date
"Three builders quoted. Cornerstone was not the cheapest. They were the only ones who put the finish date in writing, and they hit it."
Ramon & Elsa T.New build, Parkgate"We lived in the house through the whole extension. They sealed the dust off properly and cleaned every single day."
Grace M.Kitchen extension, Northview"The Friday photos meant I never had to chase anyone for an update. I wish every trade did that."
Victor L.Warehouse, Riverside
Get a quote
Free, written, and no obligation
Tell us roughly what you have in mind. We will call you within one working day to arrange a site visit.
Contact
Talk to a person
+63 32 555 0122Office, Monday to Saturday 7am – 5pm
[email protected]Plans, tenders and account queries
17 Foundry Road, RiversideYard and office — visitors welcome
Not sure it is worth doing?
Send us a photo and a sentence. We will tell you whether to build it, fix it, or leave it — even when the answer means we get no work.