Independent roof & building envelope consultancy

Protecting roof warranties. Maximising asset life.

Impartial, evidence led surveys and warranty compliant maintenance that extend roof life, reduce water ingress risk and protect your capital budget.

Request a Survey Our Services
Three disciplinesPhysical, drone & thermographic
Fully independentNo ties to manufacturers
CAA approvedDrone survey operations
UK wideCommercial estates nationwide

What we do

Technical roof intelligence you can act on

We inspect, test and report on the condition of your roofs, then tell you exactly what to do, when, and what it will cost.

Because we don't install roofs or sell roofing systems, our advice is genuinely impartial. We recommend the right course of action, not the one that sells the most work. Every recommendation is backed by survey evidence you can put in front of a board, an insurer or an auditor.

Aerial view of a shopping and retail complex in Wakefield

01  /  Warranty maintenance

Keep your guarantees enforceable

Scheduled maintenance visits that meet manufacturer warranty conditions, fully documented to QA standards so your cover stands up to audit.

  • Inspection of fixings, joints, penetrations, outlets and terminations
  • Cleaning of gutters, outlets and drainage pathways
  • Minor repairs where permitted under warranty guidelines
Survey drone in flight for aerial roof inspection

02  /  Surveys

Physical, drone and thermographic

Qualified surveyors on the roof, CAA approved pilots in the air, and infrared imaging that reveals what the eye cannot. Matched to the building and the access.

  • High resolution aerial capture, orthomosaic and 3D modelling
  • Moisture mapping and trapped saturation detection
  • Reduced working at height risk and site disruption
Consultants reviewing a roof condition report and lifecycle plan

03  /  Reporting

Reports you can budget from

Condition grading, severity scoring and prioritised remedial actions, with the lifecycle cost forecasts that feed straight into your PPM and capital planning.

  • Short and long term budget forecasts
  • Predicted lifespan and asset degradation modelling
  • Support for planned preventative maintenance programmes

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Impartial by design

We don't install roofs. That's precisely the point.

Not being tied to a manufacturer or an installer means our findings are unbiased and our recommendations serve one interest: the asset. For clients under pressure to justify spend, that independence is the difference.

About Longspan

Why Longspan

Evidence first, always

Multi disciplinary surveying, rigorous documentation and directors who have worked both sides of the industry.

01

Genuinely independent

No ties to any manufacturer or installer, so findings and recommendations stay unbiased.

02

Multidisciplinary surveying

Physical, drone and thermographic inspection matched to the building, not a one size survey.

03

Budget ready reporting

Condition grading, severity scoring and lifecycle costs that drop into capital planning.

04

Warranty protection

Documented maintenance that satisfies manufacturer conditions and keeps guarantees valid.

05

Safety first

RAMS before every inspection, CAA compliant drone operations and CDM standards throughout.

06

Experienced directors

Consultancy and contracting backgrounds: we know how roofs are built and how they fail.

Who we work with

Trusted across the commercial estate

From single industrial units to national portfolios, we work with the people responsible for keeping buildings watertight and budgets predictable.

Commercial Property Owners
Facilities Management Providers
Local Authorities & Councils
Housing Associations
Main & Construction Contractors
Industrial & Logistics Estates
Retail Parks & Shopping Centres
Schools & Education Estates

Know the true condition of your roofs

Tell us about the building and what you need. We'll respond quickly with a clear scope and price.

Request a Survey