4+ years of perfection in every project.
With a presence in 50+ global locations.
Roofing plays a critical role in the performance, safety, and longevity of any building. Accurate measurement, correct material selection, weather considerations, and detailed cost planning are essential for successful roofing projects. From residential roof installations to complex commercial and industrial roofing systems, precise roofing estimating is key to long term durability and financial efficiency.
At COMET Estimating, we specialise in delivering reliable roofing estimating services throughout the United Kingdom. Our experienced estimators carefully analyse roofing drawings, layouts, slopes, specifications, materials, labour requirements, access conditions, and installation methods. This structured approach enables contractors to plan with certainty, reduce material waste, and complete roofing works on time and within budget.
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Work with a professional estimating team committed to delivering accurate, on time roofing estimates for every project.
Best Rating in your town in estimating business
Whether your project involves a small residential roof or a large scale commercial or industrial roofing system, COMET Estimating provides detailed and accurate roofing cost estimates tailored to your requirements. Our roofing breakdowns support effective budget control, installation planning, and material coordination from start to finish.
We provide detailed roofing estimates for residential properties, including pitched roofs, flat roofs, metal roofing, repairs, and full replacements. Our estimates cover material quantities, labour costs, safety requirements, and installation methods for efficient planning.
From office buildings and retail developments to multi storey commercial properties, we deliver precise commercial roofing estimates. Our team assesses roof systems, insulation, membranes, access equipment, and health and safety compliance.
For warehouses, factories, industrial plants, and large facilities, we prepare comprehensive industrial roofing estimates. These include large span roofing systems, heavy duty materials, insulation requirements, and compliance with UK safety regulations.
We estimate roof repairs, partial reroofing, system upgrades, and full replacements. Our focus is on accuracy to maintain cost control and minimise material waste.
Our estimators calculate costs for decking, insulation layers, supporting systems, fasteners, and associated roofing components with precision.
We prepare estimates for roof strip outs, demolition, debris removal, recycling, and disposal in line with environmental and local authority regulations.
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Provide roofing drawings, layouts, material specifications, roof areas, and scope details, including access constraints and safety requirements.
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Our estimators analyse the information and prepare a preliminary roofing estimate covering materials, labour, installation methods, safety equipment, and disposal.
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You receive the estimate for review. Any revisions or clarifications are handled promptly to ensure exact alignment with your roofing scope.
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Once approved, we deliver a complete, line by line roofing cost estimate ready for tendering, budgeting, or client presentations.
COMET Estimating offers reliable, accurate, and contractor focused roofing estimating services designed specifically for the UK construction industry. Our attention to detail and practical experience set us apart.
Our estimators have hands on experience across residential, commercial, and industrial roofing systems and installation methods.
We treat every client as a long term partner, providing clear communication, revisions, and ongoing support throughout the estimating process.
Our roofing estimates are transparent, well structured, and free from hidden assumptions, supporting confident decision making.
We respect tender deadlines and project schedules by delivering roofing estimates within agreed timeframes.
Let COMET Estimating provide clarity and accuracy for your roofing project. Our professional estimators deliver precise roofing take offs that support smarter planning, confident tendering, and improved success rates.



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Missing quantities or incorrect labour and material allowances quickly lead to budget overruns.
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Incorrect planning can cause material shortages, labour conflicts, and delayed installations.
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Poor material selection or installation planning can compromise durability, waterproofing, and thermal efficiency.
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Over ordering creates unnecessary waste, while under ordering causes delays and emergency purchases.
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Failure to account for regulations and inspections may result in rework or failed approvals.
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Budget overruns and missed deadlines reduce confidence and future opportunities.
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Inaccurate estimates cost more than just money they can stifle your business growth. At COMET Estimating, we help you avoid costly mistakes, ensuring your projects stay on track and within budget.
Why Professionals Trust COMET Estimating
Need accurate roofing estimates for your next project? Contact COMET Estimating today and receive 30% off your first order. Our expert estimators provide detailed roofing take offs to support competitive tendering and successful project delivery.
30 Riverhead Close, London, Walthamstow, England, E17 5PY
Monday - Friday
09:00 Am Until 05:00 PM