Derbyshire at a glance
- Largest towns
- Derby, Chesterfield, Long Eaton, Ilkeston
- Postcode areas
- DE, NG, S, SK
- Building control
- Derby City Council, Chesterfield Borough Council, Erewash Borough Council and 4 other councils
- Neighbouring areas
- Nottinghamshire · Staffordshire · South Yorkshire · Leicestershire
- Guide price region
- East Midlands (−2% on West Midlands rates)
Which towns in Derbyshire do we cover?
15 towns and cities have their own page; we cover everywhere in between too.
- Derby
- Chesterfield
- Long Eaton
- Ilkeston
- Swadlincote
- Staveley
- Belper
- Heanor
- Alfreton
- Dronfield
- Ripley
- Buxton
- New Mills
- Glossop
- Sinfin
What does a flat roof cost in Derbyshire?
Guide prices at East Midlands rates, including VAT. The fixed price comes after a survey.
| Job | Guide price inc VAT |
|---|---|
| Single garage (18 m²), liquid-applied | £2,000–£3,200 |
| Balcony (12 m²), liquid-applied, scaffold | £1,850–£3,200 |
| Condition survey and leak investigation | £150–£290 |
| Single garage (18 m²), torch-on felt | £1,500–£2,550 |
| Porch or bay (4 m²), EPDM | £750–£1,250 |
| Upstand or flashing repair | £250–£640 |
Which flat roofs are common in Derbyshire?
Weather matters on a flat roof. The East Midlands is drier than the west of Britain, so most flat roofs here fail through age, UV and poor detailing at upstands rather than sheer rainfall. Across Derbyshire, flat roofs are typically found on newer estates where the first extension roofs are now being replaced, low-rise post-war blocks of flats and 1960s and 1970s link-detached houses with flat-roofed garages and porches. Approximate 1991–2020 regional averages based on Met Office data.
Which flat roof jobs do we take on in Derbyshire?
Garage roofs
Garage roofs in Derbyshire take the weather head-on, often with no shelter from surrounding buildings. Wind lifts loose edge trims, frost works at cracked felt, and leaves block small gutters. When several of these faults appear together, a new roof with fresh edges is usually better value than chasing each one.
Single-ply membrane roofing
If a flat roof in Derbyshire has poor falls and ponding, a single-ply re-roof with tapered insulation can correct both problems at once. The tapered boards build the fall into the insulation, and the membrane is laid over the top, with outlets set at the new low points.
Emergency leak repairs
Leaves and debris build up in outlets and gutters on flat roofs around Derbyshire, especially under trees. A blocked outlet can turn a normal rainstorm into a flood over the upstands. Clearing it is often part of the emergency visit, and the permanent fix looks at why it blocked.
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 services do we offer in Derbyshire?
- Liquid-applied roofing
- Green and sedum roofs
- Single-ply membrane roofing
- Dormer roofs
- Commercial flat roofing
- Emergency leak repairs
- Flat roof replacement
- Warm roof insulation upgrades
- Extension and kitchen roofs
- Rooflights in flat roofs
- GRP fibreglass roofing
- Porch, bay and canopy roofs
- Edge trims, outlets and drainage
- Torch-on felt roofing
- Flat roof repairs
- Garage roofs
- Flats, HMOs and block roofs
- Mastic asphalt roofing
- Balconies and roof terraces
- EPDM rubber roofing
- Flat roof surveys and leak tracing
Flat roofing in Derbyshire: questions
Which council handles building control for a flat roof in Derbyshire?
It depends on where the roof is: in Derbyshire that's Derby City Council, Chesterfield Borough Council, Erewash Borough Council and 4 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.
Do you work on commercial roofs in Derbyshire?
Yes: shops, offices, units and blocks of flats across Derbyshire, with work planned around opening hours and residents.
How much is a new flat roof in Derbyshire?
A typical 18 m² EPDM garage roof is £1,550–£2,750 and a 20 m² insulated GRP extension roof is £2,950–£5,300, at East Midlands guide rates including VAT.
Which roofing systems do you fit in Derbyshire?
EPDM rubber, GRP fibreglass, torch-on felt, liquid-applied and single-ply, plus mastic asphalt repairs. The survey decides which suits your roof.