Group H · Commercial and industrial insulation
Commercial flat roofs
Warm-deck and tapered insulation with new waterproofing.
Priced after survey
Commercial flat roofs
Every job like this is different, so we measure first and give you a fixed written quote. The price depends on:
- The area and access
- What's there now and its condition
- The system and finish you choose
No obligation — your survey confirms what suits and what it costs.
- Best for
- Offices, retail, schools, blocks
- Guarantee or standard
- Covering manufacturer guarantee
- Time on site
- Programmed after survey and phased to keep your building working.
- Typical price
- Priced after survey
What it is
What is commercial flat roofs?
Warm-deck and tapered insulation with new waterproofing.
Best for: Offices, retail, schools, blocks.
Who it suits
Which homes is commercial flat roofs suitable for?
Is my home suitable?
Pick your property type for a straight answer on commercial flat roofs.
Guidance only — every home is different, and a survey confirms what suits yours.
Flats and blocks of flats
Commercial and public buildings
Usually suitable Depends — a survey confirms
Not usually suitable for 23 property types
- Detached house — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Semi-detached house — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- End-of-terrace — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Mid-terrace — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Townhouse — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Mews house and cottage — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Detached bungalow — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Semi and terraced bungalow — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Chalet and dormer bungalow — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Period home — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- 1930s home — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Post-war and ex-council house — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Non-traditional / system-built — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Listed building or conservation area — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Farmhouse, barn conversion or rural home — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- New build or self-build — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Park and mobile home — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Converted flat — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Purpose-built flat — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Ground-floor, top-floor flat or maisonette — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Mansion block — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- Ex-local-authority flat or maisonette — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
- HMO and student housing — This is a commercial service. For homes, the domestic equivalent below is the one to look at.
Materials and brands
What we use
Warm-deck and tapered insulation with new waterproofing.
Heat, bills and EPC
What it does for your heat loss, bills and EPC
Commercial savings are calculated from your building's own survey — its size, use, heating system and occupancy. We can model the improvement and the effect on your non-domestic EPC through an SBEM assessment.
Price
How much does commercial flat roofs cost?
Priced after survey
Commercial work is measured and priced per m² after a survey of the building, its access and its condition.VAT on this work
0% VAT on energy-saving materials applies to homes, so commercial work is normally standard-rated. Your quote shows VAT clearly.What to expect
Time on site, disruption and approvals
Time on site
Programmed after survey and phased to keep your building working.
Disruption
Planned around occupation — out-of-hours working, phased areas, term times or trading hours.
Planning and building control
Building Regulations (Parts L and B), planning where the appearance changes, and a fire risk appraisal of external walls on relevant buildings.
Guarantee and standard
Covering manufacturer guarantee. The guarantee and certification for your job are confirmed in writing in your quote.
Questions
Commercial flat roofs: your questions answered
What does a commercial flat roof upgrade involve?
Warm-deck and tapered insulation with new waterproofing — improving insulation and drainage together.
Can a commercial roof be replaced while the building is open?
Usually, yes, with phased areas and planned working hours.
Is there a guarantee on a commercial flat roof?
The covering carries its manufacturer's guarantee, confirmed in your quote.
Group H
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Insulated dry lining for offices, retail and hospitality refits.
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Cold rooms and controlled spaces
Insulated panel rooms and partitions, delivered with a specialist partner.
Begin your project
Ready to talk about commercial flat roofs?
Tell us about the building — we'll arrange a survey and a priced, phased proposal.