Flat RoofingContractors

Roofs we replace and build

Balconies and roof terraces in Stockport

A leak under a balcony in Stockport usually shows up as a stain on the ceiling below, but the cause is often at the door threshold or an outlet. We trace it at survey, then waterproof the whole balcony properly rather than sealing one spot and hoping for the best.

London roof terrace with porcelain paving on pedestals over a waterproofed flat roof and a glass balustradeComputer-generated example image

Stockport at a glance

Postcode districts
SK1, SK2, SK3, SK4, SK5, SK6, SK7, SK8
Population
about 139,052 (GeoNames)
Council area
Stockport Council
Building approval
Stockport Council building control, or a registered building control approver
Nearest main town
Manchester, about 6 miles
Guide price region
North West (−5% on West Midlands rates)

What does a balcony or terrace in Stockport need?

Settled, rocking or cracked paving is a common reason to re-waterproof a terrace in Stockport. Slabs bedded directly on the membrane can damage it over time. Relaying them on adjustable pedestals protects the waterproofing and gives a level surface that drains underneath.

In a large town like Stockport, flat roofs are commonly found on bungalows with flat-roofed side extensions and dormers or low-rise post-war blocks of flats. The North West is one of England's wetter regions, averaging roughly 1,290 mm of rain a year, so falls, outlets and well-detailed upstands matter more than the membrane colour.

How much does balcony or terrace waterproofing cost in Stockport?

At North West guide rates, a 12 m² balcony in a liquid-applied system including scaffold comes to £1,800–£3,100 including VAT. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Balcony (12 m²), liquid-applied, scaffold£1,800–£3,100
Single garage (18 m²), EPDM rubber£1,500–£2,650
Extension (20 m²), GRP, new deck + insulation£2,850–£5,100

How long does it take to waterproof a balcony?

A small balcony is typically waterproofed in two to four working days, plus time for scaffold if it is above ground floor. Liquid and GRP systems need dry weather and cure time between coats, which sets the pace.

The balcony door will be out of use while the membrane is laid and curing, and the room behind may be noisy while old paving or screed is broken out. If the team needs to work through the house, we agree a route and protect floors. Larger terraces with paving or decking take longer, because the finish has to be lifted and reinstated. Resin systems smell while they cure, so nearby windows are best kept closed.

What's included?

  • Free survey of the deck, falls, outlets and door thresholds
  • Sealed details at doors, outlets, walls and balustrade posts
  • Strip-out of the failed membrane and deck repairs
  • Written workmanship guarantee, with approvals handled where needed

Building regulations in England

Replacing more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof is insulated to around 0.16 W/m²K where that's technically and economically feasible, and the work is notified to building control: the council or a registered building control approver, unless a registered competent person self-certifies it. A roof on a new extension is built to 0.15 W/m²K. Patch repairs, and most unheated detached garages, don't trigger the upgrade. Structural changes, or a new covering that adds 15% or more to the roof's weight, also need approval. More on the rules.

Which nearby areas do we also cover?

Balconies and roof terraces in Stockport: questions

Do you cover Stockport?

Yes. Stockport is part of our Greater Manchester coverage, including postcode districts SK1, SK2, SK3, SK4, SK5, SK6 and 2 more. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.

Who checks building regulations for a flat roof in Stockport?

Where the work needs approval it goes to Stockport Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.

How much does balcony or terrace waterproofing cost in Stockport?

£1,800–£3,100 for a 12 m² balcony in a liquid-applied system including scaffold, at North West guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

Do you install balustrades?

Our work is the waterproofing and drainage. We detail the membrane around balustrade fixings so they stay watertight, and we can advise on where posts should be fixed.

Can I put decking straight onto my flat roof?

Not directly onto the membrane. Decking needs a supporting system that spreads the load and lets water drain, and the roof must be checked for the extra weight.

Other flat roof work in Stockport

Balconies and roof terraces in Stockport: get a fixed price

Free survey and a written fixed quote for replacement and new roofs. No obligation.

Call usGet a guide price