Interior & Exterior Works · Question

What is a turnkey interior package?

Short answer

A turnkey interior package is a single contract in which one firm designs, procures, executes and hands over a ready-to-use space, so you receive a finished interior rather than managing many trades yourself. The convenience is real, but the precise inclusions vary, so the scope document must say what is covered and what you still arrange.

In more detail

The word comes from the idea of turning the key and walking into a finished space. In practice, a turnkey firm usually takes responsibility for design development, material supply, carpentry, ceiling, flooring, paint, basic electrical and lighting points, and final cleaning before handover.

The attraction is a single point of accountability. If a joinery item fails or two trades clash, you speak to one party rather than refereeing between several. Coordination of schedules also tends to be simpler.

Things commonly left outside the package include furniture and loose fittings bought by you, specialist equipment, IT and data cabling by a separate vendor, signage, licences, fire and safety approvals, and the landlord's charges.

Turnkey does not mean everything

Two firms may use the same word for very different scopes. Ask for the inclusions and exclusions in writing and match them against your own wish list before comparing prices.

Pricing for turnkey work is often a lump sum for a defined scope, so changes after signing are priced as variations. Settle the approval process for changes at the start, and ask how payments are linked to progress.

A turnkey route suits owners who prefer less day-to-day involvement. Those who want to choose each trade or control cost line by line may prefer separate contracts.

Key points

Turnkey means one firm delivers a finished, usable interior under a single contract.
You gain one point of accountability but give up some control over individual choices.
Furniture, IT cabling, signage and approvals are often outside the package.
The written scope, not the label, decides what is included.
Variations after signing are normally priced separately, so agree a change procedure.

Who this applies to

Business owners fitting out a new shop, clinic, showroom or office with limited time.
First-time clients who want one party to coordinate all trades.
Finance heads comparing turnkey offers against multi-vendor budgets.

Last reviewed 3 October 2026

This answer is general information, not advice on your particular case. Terms, eligibility, and requirements change, so check the current position with the relevant institution or authority.