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Pool Renovation

Pool Renovation near you

Replace liners, coping and decking, or refresh an old pool. Tell us about your pool renovation project and we’ll help you find local pool contractors who serve your area.

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Pool renovation brings a tired pool back to life, or reshapes it around how you use it today: a new vinyl liner, a fresh plaster or aggregate finish on concrete, a recoated fibreglass shell, new coping, waterline tile and decking, and often more efficient equipment at the same time. Where a repair fixes a single fault, a renovation replaces worn surfaces and components across the whole pool, usually with the water out and the yard turned into a work site for a few weeks.

It is also the moment to correct what the original build got wrong. Steps can be reshaped, a heater or automatic cover added, lighting updated and an older fence brought up to today's enclosure rules. Planning all of it together avoids tearing up brand-new coping a year later to run a pipe or a wire.

Signs your pool needs renovation rather than another repair

Repairs make sense while the damage is local. A renovation is worth pricing once the same problems keep returning or the whole surface has aged, since each new patch buys less time than the last.

  • A vinyl liner that has faded, stiffened or stretched, with wrinkles that no longer relax and several patched tears.
  • A plaster finish that feels rough underfoot, stains easily, or shows widespread etching, chalking or hollow-sounding patches.
  • Fibreglass with spreading blisters, heavy fading or a gel coat that has lost its gloss across whole walls.
  • Coping stones that are loose, cracked or tipping, and waterline tile or grout that keeps falling out.

Pool resurfacing options: vinyl liner replacement, plaster refinishing and fibreglass coating

The shell decides the surface. A liner pool gets a new liner, a concrete pool gets a new plaster, aggregate or tile finish, and a fibreglass pool is refinished with a new gel coat or a coating made for pools.

  • Liner replacement: the old liner comes out, the walls and floor are smoothed, and a custom-measured liner is set in its track and vacuumed tight before filling.
  • Plaster and aggregate: the old finish is chipped or ground back to sound material, cracks and hollow areas are repaired, and a new cement-based coat is troweled on and cured under water.
  • Pool paint: a lighter refresh for some concrete pools that wears sooner than plaster and has to be compatible with the coating already on the walls.
  • Fibreglass refinishing: the shell is cleaned and sanded, blisters are opened and filled, and a pool-rated coating or new gel coat is applied in suitable weather.

Replacing pool coping, waterline tile and decking during a renovation

Coping is the cap along the pool edge. It sheds water away from the wall behind it, holds the liner track on many vinyl pools and is where swimmers sit and climb out, so cracked or loose coping lets water and frost into the structure. New coping is usually paired with new waterline tile on a concrete pool and new decking or pavers around it, because all three meet at the same joint.

In a Canadian climate, that joint matters as much as the materials. It should let the deck move with frost without pushing on the pool wall, and it needs a flexible sealant that is renewed as it wears.

  • Precast concrete and natural stone both suit most pools; choose a texture that stays grippy when wet.
  • Waterline tile resists the scum line better than plaster and wipes clean more easily.
  • A new deck that opens onto the pool can form part of the enclosure, so plan its edges and gates with the permit.

Pool equipment upgrades to plan into a renovation: pumps, heaters and covers

With the deck open, it is the easiest time to add or move equipment. Hydro-Québec notes that pool filtration and heating can account for up to 20% of a household's annual electricity costs, which is why an efficient pump, a heat pump or a better cover often joins the renovation plan.

Any new circuit for a pump, heat pump, lights or an automatic cover is installed by a licensed electrical contractor, who in Ontario files a notification of work with the Electrical Safety Authority and in Quebec holds the appropriate licence, typically a CMEQ master electrician. A new gas heater or gas line goes to a TSSA-registered fuels contractor in Ontario or an RBQ-licensed gas contractor in Quebec.

  • Variable-speed pump: filters for long periods at low speed and ramps up only for vacuuming or a water feature.
  • Heater or heat pump: plan the pad, the circuit or gas line and the plumbing now, even if the unit comes later.
  • Automatic cover: tracks and the drum housing are far easier to build into new coping than to retrofit.
  • Quebec requires equipment outside the enclosure to sit more than 1 m from the pool wall or enclosure, unless it is in a shed or under a structure that can't be climbed, so moving the pad can change the layout.

Pool renovation permits and bringing an older enclosure up to current rules

Whether resurfacing alone needs a permit depends on the municipality, but many renovation projects clearly do. The Quebec government's summary of the Residential Pool Safety Regulation says a municipal permit is required to build, install or replace a pool, to install a diving board, and to build an enclosure, platform or deck that opens onto a pool, and municipalities may set stricter rules. Owners of pools installed before November 1, 2010 have until September 30, 2027 to comply, so check an older pool's fence, gates and latches during any renovation.

Newer rules apply to newer work. For pools and enclosures installed since July 1, 2021, a 1 m strip outside the enclosure, or outside the wall of an unenclosed pool, must stay free of fixed structures that could help a child climb over, such as a retaining wall or play structure, and a diving board must meet the BNQ 9461-100 standard. In Toronto, a Pool Fence Enclosure Permit is needed to build and maintain the fence and gates around a pool, the enclosure must be at least 1.2 metres high on a single residential property, and gates must be self-closing, self-latching and locked except when the pool area is in use.

  • If fence panels come down for machine access or decking, keep children out of the work area until the permanent enclosure is back and, where required, inspected.
  • In Quebec, chain-link enclosures installed since July 1, 2021 need mesh of 30 mm or less, or slats inserted in the mesh.
  • Elsewhere in Ontario, each municipality sets its own pool enclosure bylaw, so check yours before redesigning the gates.

How a pool renovation unfolds: draining, surface preparation and refilling

Most liner and resurfacing jobs begin by lowering or emptying the pool, once the contractor has checked groundwater conditions, and end with a controlled refill and start-up. The old water can't simply go to the street: in Toronto, chlorinated water may reach a storm sewer only after it has been dechlorinated, and never on a rainy day, while other municipalities set their own rules.

Refilling has rules too. Montreal prohibits filling a pool between 6 a.m. and 8 p.m., except between April 1 and May 15 or when a new pool is being installed, so outside that spring window a renovated pool there is refilled in the evening and overnight.

  • Assessment: the shell, coping, plumbing and equipment are inspected, and the lines pressure-tested so hidden leaks are fixed first.
  • New surface and edge: the liner, plaster or coating, coping and tile go in the order the materials require.
  • Equipment: new equipment is set and plumbed, then connected and bonded by the licensed electrician.
  • Start-up: the water is balanced gradually, following the finish maker's directions for a new plaster or coated surface.

Best time to renovate a pool in Canada: planning around the swim season

Surfaces and adhesives are sensitive to weather. Plaster and coatings don't like hard frost or scorching sun while they cure, a liner fits best when the vinyl is warm and pliable, and concrete and coping work stops once the ground freezes. That leaves spring, before the pool would normally open, and late summer to early fall, after the swim season, as the usual windows, and both book up early.

Design and permit over the winter so work can start as soon as the ground allows, and after a fall renovation, ask how the new surface should be treated through its first winter.

Pool Renovation: frequently asked questions

How do I know if my pool liner needs replacing?

Look for fading, a liner that feels stiff or brittle, wrinkles that won't relax, a liner slipping from its track or several patched tears. A single small tear can be patched, but widespread ageing means replacement, done with the pool drained and the walls and floor checked first.

Do I need a permit to renovate my pool?

It depends on the work and your municipality. In Quebec, replacing a pool, installing a diving board or building an enclosure, platform or deck that opens onto the pool requires a municipal permit. In Toronto, the fence and gates around a pool need a Pool Fence Enclosure Permit. Check with your city before you book.

Does my old pool fence have to meet today's rules?

In Quebec, pools installed before November 1, 2010 must comply with the pool-safety regulation by September 30, 2027, so a renovation is a good time to upgrade the enclosure, gates and latches. In Ontario, ask your municipality what its bylaw requires of existing pools.

Can I add a heater or an automatic cover to an older pool?

Usually, and a renovation is the easiest time, because pipes, gas lines, wiring and cover tracks can go in before the new coping and deck. Electrical work goes to a licensed electrician and gas work to a licensed gas contractor.

Sources

  1. Residential Pool Safety Regulation: summary document — Ministère des Affaires municipales et de l'Habitation
  2. Secure your outdoor pool to prevent drowning — Gouvernement du Québec
  3. Fences and swimming pool enclosures — City of Toronto
  4. How to drain a pool, hot tub and spa — City of Toronto
  5. Water use regulations: what you need to know — Ville de Montréal
  6. Pools and spas — Hydro-Québec
  7. Notifications and inspections — Electrical Safety Authority
  8. A licence is mandatory — CMEQ
  9. Fuels contractors — Technical Standards and Safety Authority
  10. Gas work licence — Régie du bâtiment du Québec

Written by the LokalMatch editorial team. Last reviewed September 10, 2026.

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What affects the cost of pool renovation

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Type and size of pool or hot tub
  • Excavation and site access
  • Pumps, filters, heaters and covers
  • Decking, fencing and landscaping around it
  • Electrical and gas connections
  • Condition of existing equipment for repairs

How to compare pool contractors before you hire

  • Choose a company that works on your type of pool or hot tub, whether it's in-ground, above-ground or a spa.
  • For a new pool, ask who handles the permit, the fencing requirements and the electrical and gas connections.
  • Make sure electrical and gas work for heaters, pumps and hot tubs is done by licensed trades.
  • Get a written quote that covers excavation, backfill, equipment, decking and site restoration.
  • For openings, closings and maintenance, ask exactly what each visit includes.

Questions to ask pool contractors before you hire

  • Who will get the permit, and what fencing or gate rules will I need to meet?
  • Who will do the electrical and gas hookups, and are they licensed?
  • What equipment do you recommend, and why?
  • What does the warranty cover for the pool shell or liner, the equipment and your installation?
  • How will you get equipment into my yard, and how will you restore the lawn afterwards?
  • What is included in an opening, closing or maintenance visit?

When to call a pro for pool renovation

  • Water level dropping faster than usual, which may mean a leak
  • A pump, heater or hot tub that trips the breaker: keep people out of the water and call a qualified technician.
  • Cloudy or green water that doesn't clear with regular care

Pool renovation permits and local rules

Some pool renovation work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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