Renovating an occupied office in Dubai: phased fit-out, out-of-hours shifts and cost

What phasing a live office actually means

A phased renovation hands us one slice of your floor at a time. We hoard it off, build it, hand it back, then move to the next slice. The rest of the office keeps working through all of it.

The trade deserves saying out loud. A floor you empty for a month costs less per square metre than the same floor delivered in four phases, because every phase repeats the setup: barriers up, protection down, services isolated, barriers out, deep clean before people come back. Four phases means four of everything, and the shorter working window costs hours on top.

So the honest first question at survey is whether you need phasing at all. If you can borrow a vacant suite for three weeks, or run the team remotely while a 150 m² office gets rebuilt in one go, that is the cheaper answer and we will say so. Phasing earns its cost when the lease has no swing space, when a client-facing reception has to stay open, or when the server room cannot go dark for a day.

Work windows: the hours your building actually gives you

Dubai has no city-wide fit-out timetable. The hours come from the building, written into the fit-out guide that the owners association or the managing agent issues before they sign your NOC. Read that document before you plan a single phase, because it shapes your programme more than your drawings do.

In JLT and the DMCC towers, the pattern most buildings publish looks like this: general works 08:00 to 18:00 Sunday to Thursday, noisy works restricted to 09:00 to 17:00, and deliveries plus waste removal pushed into 07:00 to 09:00 and 18:00 to 20:00. Concordia manages a large share of those towers and applies the cluster rules consistently, which helps: work to that format once and the next building is familiar. Some towers have moved their week to Monday through Friday, so confirm the days and not only the hours.

Business Bay is less predictable, because the towers sit under different owners associations and each publishes its own guide. I have had two buildings on the same street give different answers about whether we could run a drill at 16:00. DIFC runs its own building control, and the Gate District buildings are the strictest I work in: tighter access control, more paperwork per visit, security that enforces the window to the minute.

Three more constraints eat the day. From 15 June to 15 September the midday break applies, so outdoor and non-cooled work stops between 12:30 and 15:00. Service lifts come in booked slots, often 30 to 60 minutes, and in a tower with four tenants fitting out at once those slots go fast. And noisy works usually need the building to isolate the smoke detectors in the work zone, which ties your shift to a duty engineer at both ends.

Count the real hours before you promise a date: a window that reads as ten hours on paper is closer to six once you book the lift, wait for isolation, set up barriers and stop early to clean.

Cutting the floor into phases and parking your people

Phase boundaries follow services, not aesthetics. A phase should end where you can cap a water line, isolate a lighting circuit and close a fire compartment without touching the side that is still working. Draw the line through a ceiling grid carrying one sprinkler branch and you drain the whole zone every time you move.

Sequencing saves more grief here than anything else. MEP works never run above occupied desks: if the new VRF branch or cable tray crosses a seating area, that area moves first, even when its finishes are fine. And shared rooms go into a weekend or night block, because a pantry or a washroom cannot be half available. Reception is usually last, once the back of house can absorb visitors.

Then there is where people sit, in the order I see these options work:

• A vacant suite in the same tower, even a scruffy one. The cheapest real solution if the landlord will play.
• Temporary desk sharing on the affected cluster, with loud days moved to remote work. Workable for three weeks, not for two months.
• A clustered remote schedule, with loud phases announced two weeks ahead so nobody books a client meeting into a demolition day.
• A serviced office for the worst phase only. On a 300 m² floor that can cut weeks off the programme by letting us open two zones at once.

Plan the holding space before the first phase, not after people complain. We set the phase map and the seating moves during design, alongside the drawings, which is the practical argument for keeping design and fit-out under one contract: the person drawing the ceiling is the person who has to isolate its sprinkler.

The last phase is the one everybody underestimates, because by then the office is tired of the project and tolerance has run out. Put your easiest zone there if the sequence allows it.

Out-of-hours and weekend shifts: what you are buying

Working at night solves a real problem. Demolition, core drilling, chasing a slab for floor boxes, cutting into a sprinkler drop, anything that trips an alarm belongs in a window when the floor is empty. Most occupied-office programmes we run have a daytime stream for quiet trades and a night or weekend stream for the loud ones.

There is no published percentage for a night premium in Dubai, and a contractor who quotes you a flat uplift is guessing. The honest method is to price the share of hours the programme actually needs after dark, then add the fixed costs that only exist at night:

• Night rates for the crew, and a second crew when daytime work continues, because the same people cannot do both.
• Building attendance: a security escort, a duty engineer for alarm isolation and reinstatement, and in many towers a lift operator present while the service lift runs.
• The after-hours access charges the building itself invoices, which vary by tower and sit outside your contractor's control.
• Waste removal inside the night window, often the only slot available anyway.
• Extra supervision, because a night shift without a foreman is how a wall ends up 200 mm off the drawing.

The part people miss is that night work usually makes the programme longer. A nominal six-hour window delivers around four productive hours once setup, isolation and the end-of-shift clean come out of it, and you cannot chain night shifts indefinitely without quality dropping. Night hours buy access, not speed.

Weekend blocks are better value in most towers. A full Saturday with the floor empty gives a longer unbroken run than two nights, and the building charges attendance once instead of twice.

Dust, noise and the detector that evacuates the tower

An empty shell tolerates mess. An occupied floor does not, and the difference shows up as a quote line most tenants have never priced.

The barrier comes first. A dust screen in a live office is a sealed partition, not polythene taped to a column: a stud frame, boarded and taped, a sealed door, and protection carried up into the ceiling void, because that void is one continuous space and dust travels through it to the desks next door. On dusty phases we put the work zone under negative pressure with an extract unit venting through a filter, so air moves from the office into the works and not the other way.

The detectors in that void are the second item. One unscreened cut with an angle grinder sets off a smoke detector, and in a tower with an addressable system that evacuates several floors. It costs you a day, an awkward conversation with building management, and sometimes a ban on the contractor's team for the rest of the project. Isolation requests go in per shift, in writing, with reinstatement before the shift closes.

The rest is method. Cutting, routing and most joinery assembly happen off site or in a loading bay, not on the floor. Noisy trades stay inside the permitted window, with the loudest operations moved to nights, and crews pick the lower-noise tool where there is a choice. Every shift ends with a vacuum clean of the zone and the access route, lift lobby included, because the corridor is the part other tenants judge you on.

Nobody can promise an occupied office silence. What a contractor can promise is a published schedule of when the loud work happens, and then keeping to it.

Permits, NOC and the paper that gates each phase

Paperwork gates the start, and it arrives in two layers: the building NOC and the authority permit.

The building side comes first in practice. The owners association or managing agent reviews your drawings against the fit-out guide, approves the contractor, checks the trade licence and insurance, takes a refundable fit-out deposit, and issues the NOC with working hours and access rules attached. No authority issues a permit without that NOC.

On the authority side, which body signs off depends on where the building sits: Dubai Municipality, the Dubai Development Authority, Trakhees, or a free zone with its own building control. The split decides your documents and your waiting time, and the routes for each are set out in our guide to renovation permits in Dubai.

Numbers to plan against, as 2026 market orientation rather than a fixed tariff:

• The fit-out permit fee commonly works out around AED 1 per square foot of built-up area, with a minimum of roughly AED 200.
• Approvals for a small office total AED 6,000 to 18,000 once you add NOC administration, drawing submissions, fire and life-safety review and the usual building charges.
• The permit itself takes 5 to 15 working days. The full cycle, from first submission to a permit on the wall, runs two to four weeks when the drawings are complete.

What stretches that cycle: incomplete MEP drawings come back for resubmission, and each round costs about a week. And a phased programme often needs the phases named in the submission, because building management wants to know which part of the floor stays occupied and how escape routes stay clear at each stage. Escape routes are where they push back hardest.

What it costs and how long it runs in 2026

Works rates for refurbishing an office that stays open, as a Dubai market range:

• AED 250 to 400 per m² for a cosmetic refresh: paint, carpet or vinyl replacement, light fittings, repairs, minor joinery.
• AED 1,000 to 1,500 per m² for a full refit: new partitions and ceilings, flooring, reworked lighting and power, joinery, finishes throughout.

Those are rates for reworking a floor that already has a fit-out in it. They are a different animal from the per-square-foot rates quoted for building a new Cat B office on a bare landlord shell, which sit in a far higher band because they carry the whole services layer; those numbers and what drives them are in our guide to office fit-out cost and process. Furniture, IT equipment and the building's own charges sit outside both.

On top of either band, a live floor carries the phasing premium: barriers and protection repeated per phase, the hours that fall outside office time, nightly cleaning, off-site cutting, extra supervision. We price that from the phase map rather than as a blanket percentage, and the figure is fixed in the contract before anyone lifts a tool.

Durations for phased work, with approvals already in hand:

• Up to 200 m²: two to three weeks.
• 200 to 500 m²: four to six weeks.
• A large full floor: eight to twelve weeks.

Put the two to four weeks of approvals in front of each of those. For scale on a conventional job with the space free, the 190 m² office we delivered in JLT took three months from design to handover, which you can walk through in the JLT office case. Phasing the same floor around a working team adds weeks to the construction stage, not days.

The building moves the final figure before the scope does. Two identical 300 m² offices, one in a JLT tower with a ten-hour window and one in a DIFC building with escorted access and a shorter day, do not cost the same to refurbish. An estimate that ignores the fit-out guide is a guess with a decimal point on it.

The people part nobody budgets for

Tell your team the schedule before the hoarding appears, in writing, with the loud dates named. People forgive noise they expected. They do not forgive arriving on Monday to find their desk behind a plastic sheet.

Access is the other half. Every worker needs a building pass, which in most towers means photographs, trade licence copies and insurance submitted days in advance, and in DIFC an escort for anyone without a permanent pass. Contractor parking is almost never included: in JLT the practical answer is a loading bay slot booked with the building plus paid parking for the supervisor. Put it in the budget, not in an argument in week two.

Safety sits over all of it. Escape routes stay clear and marked at every stage, work zones stay physically separated from circulation, nothing crosses a corridor, and your own staff stay out of the works, because a curious manager in open shoes is a genuine hazard.

Name one person on your side who can make decisions and answer the contractor the same day. On phased jobs that single appointment saves more time than anything else a client does.

FAQ

How much does it cost per square metre to renovate an office that stays open?

As a 2026 Dubai market range, AED 250 to 400 per m² for a cosmetic refresh and AED 1,000 to 1,500 per m² for a full refit of a floor that already has a fit-out. A live floor adds the phasing cost on top: barriers per phase, out-of-hours work, nightly cleaning. Your building and your scope decide where you land.

How long do phased works take compared with closing the office?

Two to three weeks up to 200 m², four to six weeks for 200 to 500 m², eight to twelve weeks for a large full floor, plus two to four weeks of approvals before any of it starts. Emptying the floor for the same scope is faster and cheaper per square metre. Phasing buys continuity, not speed.

Can we work at night in a Dubai tower, and what are the limits?

Most buildings allow night works with written approval, an attending duty engineer and alarm isolation, and many cap how many consecutive nights you may run. Deliveries and waste still move through the designated window, often 18:00 to 20:00 in JLT and DMCC towers. Your building's fit-out guide is the authority here.

Which permits and NOC do we need?

The landlord or owners association NOC comes first, with the fit-out deposit and the contractor's documents. Then the building permit from whichever body governs the site: Dubai Municipality, DDA, Trakhees or a free zone authority, plus fire and life-safety review where the scope touches those systems. Budget AED 6,000 to 18,000 for a small office and 5 to 15 working days for the permit.

How do you keep dust and noise out of the occupied side?

Sealed stud-and-board barriers instead of polythene, carried up through the ceiling void, with the work zone under negative pressure on dusty phases. Cutting happens off site or in the loading bay, loud operations go into the night or weekend block, and each shift ends with a vacuum clean of the zone and the access route.

What exactly are we paying for on a night shift?

Night rates for the crew, building attendance such as a security escort, a duty engineer for alarm isolation and often a lift operator, the building's own after-hours charges, waste removal in the night slot, and extra supervision. Dubai has no standard uplift percentage, so the figure comes from how many programme hours fall after dark.

Which buildings have the strictest rules?

DIFC is the tightest I work in on access and paperwork, with escorted entry and the window enforced to the minute. JLT and DMCC are strict but predictable, because the cluster rules are applied the same way across towers. Business Bay varies building by building, so never assume one tower's guide applies next door.

Where do we put people during their phase?

In order of what works: a vacant suite in the same tower, temporary desk sharing with remote days on the loud dates, a clustered remote schedule, or a serviced office for the worst phase only. Decide it during design, because the seating plan sets the phase order.