Choosing a Fit-Out Contractor in London

There are 4 ways to buy a commercial interior in London — main contractor, design and build, fit-out specialist, and introducer or marketplace — and they differ almost entirely in who carries the risk, not in what gets built. The drawings can be identical across all four. The answer to "who is responsible when the ceiling void will not take the duct" is different in every one, and that is the thing you are actually choosing between.

Search for an office fit-out and the results describe the same work in four different commercial structures without saying so. The words on the website are close to interchangeable: interior construction contractor, interior fit-out contractor, commercial fit-out company, office fit-out specialist. None of them tells you where the contract sits.

This is how to tell them apart, and what to ask each one.

The four routes

These four are about who your counterparty is. A separate question sits on top of whichever one you pick: which contract form governs it, and who carries the gap between the drawing and the building. Design and build versus a traditional contract answers that one, and the two decisions are independent — a fit-out specialist can be appointed either way.

The sentence worth remembering

Ask one question of any firm quoting your floor: are you the party that will hold the building contract? Everything else follows from the answer.

The four things to ask for in writing

Before comparing a single rate. All four are ordinary, and any firm that has them will send them the same day.

1. 01The company number. Filed accounts at Companies House are public, free, and the fastest read on whether a firm is the size it appears to be. A contractor about to take a six-figure commitment from you can be looked up in two minutes.
2. 02The public liability cover and its limit. Ask for the certificate, not the claim. Ask separately who holds the contract works insurance during the job, because that is a different policy and on an occupied floor it matters more.
3. 03The name of the person who will run your job. Not the name of the person selling it. A named project lead is the difference between a query answered on the day and a query that travels through an account manager first.
4. 04A delivered project of similar scale you can see. With an address and photographs, of comparable size and type. Similar matters more than impressive: a firm whose reference projects are all four times your floor plate is telling you something.
5. 05Which contract form they propose, and why. A standard form with a completion date behaves very differently from a letter of intent or a loose appointment. Ask which one and ask what it says about delay before you compare any rates.

Where the appointment sits in the process

A contractor appointed too early prices a brief that does not exist yet. One appointed too late inherits drawings nobody costed.

• Stage 1 — Preparation and brief: What you are keeping, what the lease permits, and the date you are working to. A contractor can advise here and cannot honestly price yet. Appointing now buys you advice, not a number.
• Stage 2 — Concept design: Layout tested against the occupancy and escape figures. This is the earliest point at which an order-of-cost conversation means anything, and the earliest sensible point to appoint on a design-and-build basis.
• Stage 3 — Spatial coordination: Services routed against the real ceiling void and riser capacity rather than the ones on the lease plan. This is the stage where an interior specialist earns the appointment.
• Stage 4 — Technical design: The point at which a fixed scope can be priced line by line. It is also the latest point at which the Licence to Alter should already be moving, because it does not wait for your drawings.

The consent usually decides the date rather than the construction. Why the Licence to Alter is the long pole on a London fit-out sets out what it depends on, and none of it is inside your contractor's control.

What a fair contract commits to

Two of those are worth naming explicitly when you compare appointments. No variation happens without your written approval: every one is priced and dated before a penny is spent on it, which is the opposite of valuing it afterwards. And the completion date is a date rather than an estimate — our contracts carry the late-delivery guarantee, which turns the programme into a financial obligation instead of an aspiration.

Why a builder is writing this

2VP is the builder, not a marketplace — one contract, one named project lead, and no introducer fee stacked on the build cost. Our own glazing and joinery companies, AtoZ Design & Glass and Selection.Works, mean the glazed partition and the reception joinery are made by us rather than bought in and marked up.

The commercial work is central London and west London: Cat A and Cat B phases inside the V&A's Europe 1600–1815 galleries in South Kensington SW7, all of it outside public opening hours, and retail on Sloane Street. Both were occupied, operational buildings, which is the version of this work where the procurement route stops being a paperwork question.

Our commercial fit-out page has no estimator on it on purpose. The pricing engine has eight project types and all eight are residential, so a floor area cannot price an office — the first step is a walk round the floor. If your project is residential instead, the estimator will give you a range in a couple of minutes.

The one line to take away

You are not choosing between four kinds of builder. You are choosing who is contractually on the hook when something on site does not match the drawing — and only one of the four routes answers that with a single name.