Flat roofing FAQs

There is no honest single figure. Price depends on area, how many layers must be stripped, insulation targets, access, disposal, membrane type (EPDM, GRP or high-performance felt) and whether outlets or deck boards need work. We survey first and give a written scope tied to what we photographed—not a guess from satellite imagery.

Some quotes assume a thin overlay; others assume full strip to a dry deck. Labour, warranty registration, edge trims and sequencing also differ. If one price looks too good to be true, ask what happens if opening works find wet insulation or a failed deck—we spell that out before you book.

Yes. We provide measured quotations for installations and repairs across our usual coverage area. Emergency make-safe may be priced as a separate attendance if you need immediate weathering before a full survey.

The best material is the one that matches your deck, falls, foot traffic and detailing. EPDM suits many warm and cold decks when laps and adhesives follow manufacturer guidance. GRP gives a seamless finish where shapes are awkward or you want a hard-wearing top surface. Reinforced felt remains appropriate when a specified build-up or access method favours it. We recommend after survey, not from a brochure default.

A well-installed modern system with sensible maintenance can last many years; exact manufacturer warranties vary by product and build-up. Lifespan drops sharply if water ponds permanently, outlets stay blocked, or repairs use incompatible materials. We explain what your warranty covers and what maintenance keeps it valid.

Occasional access for maintenance is normal, but roofs are not balconies unless designed for it. We can specify walk pads or heavier-duty top layers where plant, solar or regular access is expected. Tell us during the quote so the specification matches use.

Protect electrics and furnishings, place buckets where safe, and photograph stains while they are visible. Call us for make-safe if water is still entering. Avoid climbing onto a wet roof without edge protection. Permanent repair follows once we know whether the failure is membrane, flashing, outlet or a gutter backing up.

Often yes. Localised patching works when the surrounding membrane is sound, the deck is dry and products are compatible. If multiple historical layers hide wet packs or the deck is soft, another overlay wastes money—we say so plainly.

Short-lived water after heavy rain can happen, but chronic deep ponding accelerates fatigue and can overload marginal structures. We assess falls, outlets and insulation when ponding is a recurring complaint—not just the top sheet.

We prioritise active ingress across Hillingdon, Berkshire and West London where routing allows. Severe weather can delay everyone; we give realistic arrival windows and temporary weathering where full repair must wait for dry substrates.

Policies differ. Many cover sudden storm damage but exclude wear and tear or gradual deterioration. We supply dated photos, short reports and scope notes that loss adjusters often request—we do not guarantee claim outcomes.

You typically receive a manufacturer warranty on materials when installed to their specification, alongside our workmanship terms which we explain in writing. Keep batch references, photos and handover notes for future owners or insurers.

Moss holds moisture and can lift coverings or block valleys. Gentle removal and compatible treatment, where the membrane allows, slows regrowth. We avoid careless pressure washing that strips granules or drives water sideways.

At least after autumn leaf fall; more often under heavy trees or behind parapets where you cannot see blockages. Blocked gutters cause overflows that mimic roof leaks—many call-outs start with the gutter, not the field sheet.

Sometimes. Permitted development rules, conservation areas, Article 4 directions and listed-building consent all matter. Your architect or planning portal should confirm; we supply technical notes for roof build-up and junctions when your professional team asks.

Party Wall Act requirements depend on the works’ proximity and depth. Shared gutters and abutments often need polite coordination even when formal notice is not required—we can meet jointly on site where helpful.

We are based in Hillingdon (UB10) with regular routes through Uxbridge, Slough, Reading, Ealing and Berkshire towns. Short travel times usually mean faster emergency response and realistic pricing for local access patterns.

Yes. Reading, Wokingham, Maidenhead, Windsor, Slough and surrounding villages sit inside our normal working area alongside West London boroughs. See our areas page for how we group localities.