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Flat roof systems

EPDM rubber roofing across Suffolk

For EPDM rubber roofs in Suffolk, expect the same careful process wherever the property is: survey, fixed written quote, strip and install, then a final walk-round. Rainfall and wind exposure vary from site to site, so trims, fixings and adhesives are chosen for the roof in front of us rather than taken from a standard list.

Roofer unrolling a single sheet of black EPDM membrane over a new OSB deck on a garage roofComputer-generated example image
Price per m²
£68–£121
Typical life
25–50 years
Manufacturer guarantees
20-year material warranties are common
Typical garage roof
£1,700–£2,950

Suffolk at a glance

Largest towns
Ipswich, Lowestoft, Bury St Edmunds, Haverhill
Postcode areas
CB, CO, IP, NR
Building control
Ipswich Borough Council, East Suffolk Council, West Suffolk Council and 2 other councils
Neighbouring areas
Norfolk · Essex · Cambridgeshire · Hertfordshire
Guide price region
East of England (+5% on West Midlands rates)

How much does an EPDM rubber roof cost in Suffolk?

Guide prices including VAT at East of England rates. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Single garage (18 m²), EPDM rubber£1,700–£2,950
Extension (20 m²), EPDM, new deck + insulation£2,950–£5,150
Porch or bay (4 m²), EPDM£800–£1,300

Which flat roofs are common in Suffolk?

Flat roofs in Suffolk sit on newer estates where the first extension roofs are now being replaced, bungalows with flat-roofed side extensions and dormers and lock-up garage blocks on estates. The East of England is the driest part of Britain, with parts of the Anglian region around 630 mm a year, so summer heat and UV, not rainfall, do most of the ageing on a felt roof. Approximate 1991–2020 regional averages based on Met Office data.

Building regulations in England

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. Renovated roofs over heated rooms are insulated to around 0.16 W/m²K where that's feasible, and new extension roofs are built to 0.15 W/m²K. In Suffolk the application goes to Ipswich Borough Council, East Suffolk Council, West Suffolk Council and 2 other councils. More on the rules.

Do I need building regulations approval to replace a roof with EPDM?

Often, yes. In England, Wales and Northern Ireland, re-covering more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof should be insulated towards the renovation standard where that is feasible; in Scotland, the council's building standards service decides whether a building warrant is needed.

An unheated detached garage normally falls outside these rules, and a patch repair is treated differently from a full re-cover.

In practice that means a warm roof: insulation above the deck, a vapour control layer beneath it and the EPDM on top. The extra thickness lifts the finished roof, so at survey we check door thresholds, window cills, wall flashings and upstand heights, aiming for an upstand of about 150 mm above the finished surface. Where approval is needed, we deal with building control or building standards for you. The building regulations page and our warm vs cold roof guide go into more detail.

When is EPDM the right choice, and when is another system better?

EPDM is a strong choice for simple domestic roofs that people do not walk on, such as garages, single-storey extensions, porches and dormers. It is less suited to roofs with regular foot traffic or many pipes and vents.

Where it does well: few or no joins on small roofs, flexible in cold weather, tolerant of minor building movement, and laid without a flame.

Where it falls short: the finish is plain dark rubber, it can be punctured by dropped tools or sharp debris, and it is not designed as a walking surface without added protection. Roofs with many penetrations take a lot of careful detailing.

If you want a hard, walkable finish or a complex shape, GRP fibreglass often suits better. On a tight budget, or a larger roof where a layered system is preferred, torch-on felt is worth pricing. Liquid-applied roofing handles awkward details and overlays, single-ply membranes are built for larger commercial roofs, and mastic asphalt belongs on older and heritage buildings. Our EPDM vs GRP vs felt guide sets them side by side.

Which towns in Suffolk do we cover?

EPDM rubber roofing in Suffolk: questions

Which towns in Suffolk do you cover?

All of Suffolk. The main towns have their own pages below, and if yours isn't listed we still cover it: send your postcode and we'll confirm.

How much does an EPDM rubber roof cost in Suffolk?

£1,700–£2,950 for a typical 18 m² garage roof in EPDM, at East of England guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

Which council handles building control for a flat roof in Suffolk?

It depends on where the roof is: in Suffolk that's Ipswich Borough Council, East Suffolk Council, West Suffolk Council and 2 other councils. 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. We confirm which applies at the survey.

How long does it take to fit an EPDM roof?

A single garage typically takes one to two days and an insulated extension roof two to three, weather permitting. Larger roofs, scaffold and complex details add time.

Can EPDM be laid over an old felt roof?

Sometimes, but we usually recommend stripping old felt first. Overlaying hides any rot or wet insulation underneath, and over a heated room a full replacement is often when insulation has to be added anyway.

Can you walk on an EPDM roof?

Occasionally, for maintenance, yes, but EPDM is not designed as a regular walking surface. Where you need a route to plant or windows, walkway pads can be bonded on, or GRP may be a better fit.

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