In this guide
Electrical rewiring in Dubai is rarely the exciting part of a renovation, but it is often the part that decides whether the rest of it is safe, approved and able to run what you plan to install. Many villas and apartments built in the late 1990s and 2000s were wired for a different way of living — fewer appliances, smaller kitchens, no EV charger, no smart home. This 2026 guide explains the signs that a home needs rewiring rather than a few new sockets, how DEWA and building approvals work, what full and partial rewiring cost, how long the work takes and what to plan for while the walls are open.
- Rewiring is worth considering in homes from the 1990s–2000s, after water damage, or when you add major loads like a new kitchen, EV charger or pool.
- Work must be done by a DEWA-registered contractor; load increases and new connections need DEWA approval, plus a building or community NOC.
- Indicative 2026 costs: roughly AED 15,000–45,000 for a full apartment rewire and AED 45,000–150,000+ for a villa, depending on size and scope.
- Plan smart-home cabling, data and EV provision during the rewire — retrofitting later costs far more.
01Signs your Dubai home needs rewiring
Not every older home needs a full rewire. Often the cables are sound and only the distribution board, a few circuits or the accessories need upgrading. But some symptoms point to deeper problems that a cosmetic refresh will not solve:
- Breakers that trip regularly when the AC, oven and water heater run together — the circuits or the board are undersized for today's load.
- Warm or discoloured sockets and switches, a burning smell, or buzzing from the DB board. These are safety issues, not inconveniences.
- No earth leakage protection (RCD/RCBO) on wet-area circuits, or an old board with rewireable fuses.
- Past water damage from a leaking AC tray, roof or bathroom — corroded conduit and cables inside walls are common in villas.
- Extension leads everywhere because there are too few sockets, especially in kitchens, home offices and bedrooms.
- DIY or unknown alterations by previous owners or tenants, with no drawings and mixed cable sizes.
A proper inspection by a licensed electrician — insulation resistance tests, checks of the earthing and a look inside the board and a few back boxes — tells you which of these you are dealing with. It is the cheapest step in the whole process and the one that prevents you paying for a full rewire you do not need.
02Full rewire vs partial upgrade
The scope usually falls into one of three levels, and the choice drives both cost and disruption:
| Scope | What it includes | Disruption | When it fits |
|---|---|---|---|
| Board and accessories upgrade | New DB with RCBOs, new sockets and switches, testing | Low — days, little wall damage | Cables sound, protection outdated |
| Partial rewire | New circuits for kitchen, bathrooms, AC or added rooms | Medium — chasing in specific rooms | Layout change or new heavy loads |
| Full rewire | All cables and conduits replaced, new board, new points | High — walls and ceilings opened throughout | Damaged, aged or unsafe installation |
In Dubai apartments, cables usually run in conduits inside block walls and slab, so a full rewire may mean pulling new cables through existing conduits where they are in good condition — faster and cleaner than chasing every wall. In villas, conduits are often damaged or too congested, and a full rewire tends to go hand in hand with new gypsum false ceilings, which conveniently hide new cable routes for lighting.
03DEWA, NOCs and who can do the work
Electrical work in Dubai is regulated. Rules vary between mainland, free zones and master communities, so treat the points below as the general pattern rather than a checklist for every building.
- DEWA-registered contractor — wiring work and any change to the supply should be carried out and signed off by a contractor registered with DEWA.
- Load increase — if your new kitchen, AC or EV charger takes the connected load above what DEWA has approved, the contractor applies for a load increase with updated load calculations and drawings.
- Building or community NOC — building management, or developers such as Emaar or Nakheel in their communities, typically require an NOC with drawings before electrical works start.
- Inspection and connection — DEWA may inspect new installations or upgraded boards before energising them; a test certificate is part of handover.
- Fire and life safety — in apartments, changes near fire alarm devices or in common areas involve the building's Dubai Civil Defence-approved fire contractor.
04Electrical rewiring cost in Dubai (2026)
Rewiring is priced on the number of points, the cable runs, the board and the amount of making good afterwards. The ranges below are indicative 2026 figures for typical homes; actual quotes depend on the survey.
| Work | Indicative range | What moves the number |
|---|---|---|
| Inspection and test report | 500–1,500 | Size of home, depth of testing |
| New DB board with RCBOs | 2,500–8,000 | Number of ways, three-phase vs single-phase |
| New or relocated point (socket, switch, light) | 150–450 per point | Chasing, conduit length, wall type |
| Full rewire, 1–2 bedroom apartment | 15,000–35,000 | Re-use of conduits, number of points |
| Full rewire, 3 bedroom apartment / townhouse | 30,000–60,000 | Kitchen and AC circuits, ceilings |
| Full rewire, villa | 45,000–150,000+ | Size, three-phase, outdoor and pool circuits |
| EV charger circuit and installation | 3,500–9,000 | Distance from board, charger model, approvals |
The hidden part of every rewire is making good: patching chased walls, re-skimming and repainting. If the rewire is part of a wider renovation, those costs fold into finishing work you are doing anyway — one of the strongest reasons to rewire during a renovation rather than after it. Approval fees, a load increase and three-phase upgrades are usually quoted separately, and specialist lighting or smart systems are priced on top of the basic wiring. For overall budgeting see our apartment renovation cost guide.
05The rewiring process, step by step
A well-organised rewire runs in a predictable sequence, and most of the planning happens before anyone opens a wall:
- Survey and testing — inspect the board, test circuits, map what exists and identify damage.
- Layout and load calculation — agree where every socket, switch, light and appliance goes; calculate total load for DEWA.
- Drawings and approvals — electrical drawings submitted for the building or community NOC and, if needed, the DEWA load increase.
- First fix — chasing, conduits, back boxes and new cables pulled while walls and ceilings are open.
- Board installation — new DB fitted, circuits terminated, labelled and protected.
- Making good — walls patched, ceilings closed, surfaces prepared for paint.
- Second fix and testing — accessories and fittings installed, full testing, certificate issued and any DEWA inspection completed.
Typical durations: an apartment full rewire takes about one to three weeks of site work, a villa two to six weeks, plus approval time before the start. The occupied-home version is slower — most families move out for at least the first-fix stage, because power is off in sections and dust is unavoidable.
06Planning for smart home, EV and future loads
A rewire is the one moment when adding cables costs almost nothing compared with doing it later. Things worth deciding while the walls are open:
- Neutral wires at every switch and deep back boxes, so smart switches and dimmers can be fitted later.
- Data cabling (Cat6) to TVs, desks and ceiling points for Wi-Fi access points — far more reliable than wireless mesh in block-wall villas.
- Dedicated circuits for the oven, hob, washing machine, dryer and each AC unit, sized for today's appliances.
- EV charger provision — a cable to the parking space and spare capacity in the board, even if the charger comes later.
- Motorised curtains and blinds — a power point at each window head, planned with the curtain track.
- Outdoor and pool circuits with suitable protection and weatherproof accessories.
Lighting deserves its own plan too: layered ceiling, wall and joinery lighting looks far better when it is designed before cables go in. Our lighting design guide and the smart home installation guide cover what to decide and when.
07What goes wrong with rewiring
The failures we see are rarely about the cable itself. They come from planning and coordination:
- Layout decided too late — sockets end up behind the sofa or the bed is moved after the switches are fixed.
- No load calculation — the new kitchen and EV charger trip the main breaker, and a DEWA load increase starts after the walls are closed.
- Mixing old and new — a new board connected to old, damaged cables gives a false sense of safety.
- No as-built drawings — the next contractor drills straight into a cable run.
- Sequencing with other trades — ceilings closed before cables are tested, or tiles fixed before back boxes are set at the right height.
08How A5renova handles electrical rewiring
We plan electrical work as part of the whole renovation, not as a separate job: our team surveys and tests the existing installation, agrees the layout with you room by room, prepares drawings and load calculations for the building NOC and DEWA, and coordinates first fix with ceilings, joinery and finishes so nothing is opened twice. As part of renovation we handle the wiring, making good and painting in one programme; through interior design we plan lighting and socket positions around the real furniture layout; and with motorised curtains we make sure power is where the tracks will be. Send us your floor plan and what you want to add, and we will tell you whether you need a full rewire or a targeted upgrade.