Flat Roofing in Washington

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)

What flat roof work do we do in Washington?

Commercial flat roofing

Safety planning matters on commercial sites in Washington. Every job is planned under CDM, with a method statement, edge protection and covers over rooflights and fragile areas. If asbestos is found, a licensed specialist surveys and removes it before our work starts, so nobody is put at risk.

Extension and kitchen roofs

If you're fitting a new kitchen under an extension in Washington, that's a good time to replace the roof. It makes sense to rebuild the roof before fitting new units, ceilings and lighting below, and the insulation upgrade makes the room more comfortable all year.

Liquid-applied roofing

If a flat roof in Washington is ageing but still dry, firmly bonded and on a sound deck, a reinforced liquid system can be applied over it. That avoids the cost and mess of a full strip-out, provided the moisture and adhesion checks at survey show the existing roof is fit to build on.

All flat roof services in Washington:

How much does a flat roof cost in Washington?

Guide prices at North East rates including VAT. New and replacement roofs get a fixed price after a free survey; repair prices are confirmed once we've found the problem.

Job	Guide price inc VAT
Dormer (8 m²), GRP, scaffold	£1,300–£2,450
Balcony (12 m²), liquid-applied, scaffold	£1,750–£3,000
Extension (20 m²), EPDM, insulation + 1 rooflight upstand	£2,800–£4,850
Single garage (18 m²), GRP fibreglass	£1,650–£3,000
Extension (20 m²), felt, new deck + insulation	£2,500–£4,350

What flat roofs are typical in and around Washington?

In a large town like Washington flat roofs are mostly on newer estates where the first extension roofs are now being replaced and 1930s semis with flat-roofed garages and kitchen extensions. Local weather shapes the specification. 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. Approximate 1991–2020 regional averages based on Met Office data.

Who approves flat roof work in Washington?

Where approval is needed it goes to Sunderland City Council building control, or a registered building control approver. Replacing more than half of a roof over a heated room usually counts as renovating a thermal element, so it is insulated to current standards and notified to building control. How the rules work.

Which places near Washington do we cover?

Flat roofing in Washington: questions

Do you cover Washington?

Yes, including postcode districts NE37, NE38. Send your postcode with your enquiry and we'll arrange a survey.

Do you also cover Chester-le-Street?

Yes. Chester-le-Street is about 4 miles from Washington and we cover it too.

What's the best flat roof system for a house in Washington?

For most garages and extensions it's EPDM or GRP; torch-on felt is the budget option and liquid suits detailed or overlay jobs. We recommend one at the survey.

Do flat roofs in Washington need building control approval?

Often. Replacing more than half of a roof over a heated room usually means insulating it to current standards and notifying building control, and structural changes need approval too. In Washington that's Sunderland City Council building control, or a registered building control approver. We tell you at the survey and handle it.