Flat RoofingContractors

Repairs and surveys

Flat roof surveys and leak tracing in Washington

Thinking of buying a property in Washington with a flat roof, or planning next year's maintenance budget? A condition survey tells you what the roof is, how it is performing and what it is likely to need. We are careful to separate what we saw from what we think.

Moisture meter being used on a flat roof membrane during a condition surveyComputer-generated example image

Washington at a glance

Postcode districts
NE37, NE38
Population
about 67,085 (GeoNames)
Council area
Sunderland City Council
Building approval
Sunderland City Council building control, or a registered building control approver
Nearest main town
Sunderland, about 5 miles
Guide price region
North East (−7% on West Midlands rates)

When is a flat roof survey worth it in Washington?

Landlords and managing agents in Washington often need a written record of a roof's condition, for budgeting, for leaseholders, or to show a problem has been looked at properly. A survey report gives them a clear basis for deciding when to repair and when to replace.

In and around Washington, flat roofs are typically found on terraced streets with flat-roofed rear kitchens and bathrooms, and on low-rise post-war blocks of flats. England averages roughly 870 mm of rain a year; the North East is drier than the west but cold and windy near the coast, so wind uplift and freeze-thaw are in the specification.

How much does a flat roof survey cost in Washington?

For Washington we use North East rates: £140–£280 is the guide for a condition survey and leak investigation, VAT included. We confirm the price once we've traced the leak or seen the damage.

JobGuide price inc VAT
Condition survey and leak investigation£140–£280
Localised patch repair£140–£470
Upstand or flashing repair£230–£600
Emergency temporary weatherproofing visit£170–£420

Will the survey tell me whether to repair or replace?

Yes. That is one of the main things a survey is for. Isolated damage on a dry, sound roof points to repair. Wet insulation, a soft deck, widespread cracking or repeated leaks point to replacement.

The report puts that recommendation in context, including the roof's age, its system, how long a repair would be likely to hold and whether the thermal upgrade rules would apply to a replacement. If you decide to replace, it also helps you choose between stripping the roof back and overlaying it. Our repair or replace guide and overlay or strip guide go into more detail.

What's included?

  • Checks on walls, copings and trays above the roof
  • Core samples where readings need confirming
  • Plain written report with ranked recommendations
  • Moisture meter readings across the roof

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?

Flat roof surveys and leak tracing in Washington: questions

Do you cover Washington?

Yes. Washington is part of our Tyne and Wear coverage, including postcode districts NE37, NE38. 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 Washington?

Where the work needs approval it goes to Sunderland City 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 a flat roof survey cost in Washington?

£140–£280 for a condition survey and leak investigation, at North East guide rates including VAT. We confirm the price once we've traced the leak or seen the damage.

Can a survey tell how old my flat roof is?

Only approximately. The type of covering and its condition give a reasonable estimate, but paperwork such as an invoice or guarantee is the only reliable record.

Can a survey tell me if my flat roof has condensation rather than a leak?

It can often point to it. Damp that appears in cold weather without rain, a cold roof build-up with little ventilation and a dry covering above the damp all suggest condensation rather than a leak.

Other flat roof work in Washington

Flat roof surveys and leak tracing in Washington: get a fixed price

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

Call usGet a guide price