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Design & Build

One contract covering design coordination, permits, budgeting and construction — so responsibility for the drawings and for the building sits with the same team.

01 Overview

Design and construction under one contract

One agreement covering design coordination, permitting, budgeting and construction. It suits owners who know what they need the building to do but do not want to manage a designer and a contractor separately.

In practice, this means the estimator, the designer and the project manager sit in the same meetings from week one. Buildability problems get found on paper, where fixing them costs an afternoon rather than a demolition crew.

It suits owners who want a single point of responsibility for both design and construction.

Service summary

  • Delivery modelSingle contract
  • Design includedYes
  • Permits handledYes
  • Typical duration4–14 months
  • Best suited toNew builds & expansions
Request a quote Schedule a consultation

02 What is included

Six things covered by this contract

Requirements brief

We document what the space has to do, who uses it, and the constraints — before anyone draws anything.

Site feasibility

Access, soil, utilities, setbacks and zoning are checked early, while changes are still cheap.

Design coordination

Architectural, structural and MEP designs are developed and reconciled against the budget as they go.

Cost planning

You get a cost plan at concept and a firm estimate at detailed design, itemised by trade.

Permits

Building permit, electrical, sanitary and occupancy applications are prepared and followed up by our staff.

Construction

Built by the same team that developed the design, with weekly reporting throughout.

03 Why owners choose it

What you get from a single contract

Single point of responsibility

If a detail does not work on site, there is no argument about whose drawing it was.

Cost visibility earlier

Construction pricing informs the design while changes still cost drawing time instead of demolition.

Shorter overall programme

Procurement of long-lead items can start before the final drawing package is complete.

Fewer variations

Buildability is checked by the people who will build it, which removes a common source of change orders.

04 Typical projects

Where it works best

  • New commercial buildings
  • Custom residences
  • Warehouse and light industrial facilities
  • Office fit-outs with structural changes
  • Restaurant and retail build-outs
  • Building expansions and additional floors
Construction crew working on a concrete structure during the day

05 Process

Seven stages, start to turnover

01

Consultation

We meet, review your requirements and agree a target budget range.

02

Site assessment

Our engineers inspect the site and confirm what is feasible.

03

Concept design

Layouts and a concept cost plan are issued for your comments.

04

Detailed design

Drawings are completed and priced. You approve the firm estimate.

05

Permits

Applications are filed and followed through to release.

06

Construction

Works proceed with weekly reporting and inspections.

07

Turnover

Punch list, testing records, as-builts and warranties are handed over.

07 Questions

Design & build FAQs

More questions are answered on the FAQ page.

Not usually. You pay for design either way. What changes is that the design is priced as it develops, which tends to reduce redesign and variation costs later.

Yes. We can work alongside your designer under a construction-only contract, or take over coordination of their drawings under design-and-build.

We do, under this service. You will still need to sign as the owner and supply lot documents.

A concept estimate carries an allowance because quantities are not final. The firm estimate comes with the detailed design, and that is what the contract is based on.

Have a design-and-build project in mind?

Tell us what the building needs to do and where the site is. We will come back with the information we need to prepare an estimate.