Fully insured
Guaranteed workmanship
Free no-obligation quotes
35 Firs Avenue, Barnet, London, N11 3NE
Home / Services / Roof Surveys
A small roofing fault can quickly become a much larger problem once water starts getting into the property. At RJC Roofing & Building, we carry out professional roof repairs across London, helping homeowners, landlords and property managers deal with leaks, storm damage, worn materials and general roof deterioration before the damage spreads.

We provide roof inspections for pitched roofs, flat roofs, extensions, garages, chimney areas and associated roofline components. A survey can focus on a known issue, such as a leak, or provide a broader assessment of the roof’s overall condition.
Our roofing surveys are suitable for homeowners concerned about wear, landlords planning maintenance, property managers responsible for several buildings and buyers who want more information before committing to a purchase.
We inspect the visible roof coverings and key weatherproofing details, then explain any defects we identify. Where repairs are advisable, we’ll distinguish between urgent problems, routine maintenance and issues that should simply be monitored.

What Include
We check for slipped, cracked, missing or poorly fitted tiles and slates, as well as signs of ageing across the wider roof surface.
Flat roofs are inspected for splits, blistering, lifted edges, failed joints, standing water and deterioration around outlets or upstands.
We assess visible chimney brickwork, mortar joints, flaunching and lead flashing. These areas are common sources of leaks, especially on older London properties.
Roofline components are checked for movement, damage and signs that rainwater isn’t being directed away from the building properly.
Valleys and roof junctions handle concentrated rainwater and need to remain secure. We look for cracked mortar, displaced materials and failed waterproofing details.
Where access allows, we consider staining, damp, damaged timbers and other signs that water may be entering or travelling through the roof structure.
Our Process
We believe every successful roofing and building project starts with clear communication and careful planning. From your initial enquiry to the final inspection, our straightforward process ensures quality workmanship, complete transparency, and a hassle-free experience every step of the way.
We’ll ask why you need the survey, whether you’ve noticed any problems and what type of property is involved.
We assess the accessible roof areas, roofline, chimneys, flashing, drainage and visible internal signs where relevant.
We explain what we’ve found, including any defects, maintenance concerns or areas that appear to be in reasonable condition.
Where work is needed, we outline the practical options and indicate which issues should be dealt with first.
If requested, we can provide a clear quotation for the recommended roofing work.
Expertise
Whether you need reliable roofing solutions or want to know why homeowners and businesses across London choose RJC Roofing & Building, you'll find everything here. Explore our professional services and discover our commitment to quality workmanship, honest advice, and exceptional customer care on every project.
A roof inspection is sensible when you’ve noticed damp patches, missing tiles, loose mortar or overflowing gutters. It can also be useful after heavy wind or prolonged rain, even where the damage isn’t immediately obvious.
Many customers arrange a roof condition survey before buying a property. A general building survey may identify concerns, but a closer roofing assessment can provide more detail about defects, likely maintenance and areas requiring repair.
It’s also worth arranging an inspection before planning loft work, solar panel installation or major renovations. Understanding the condition of the existing roof can help avoid delays or unexpected costs later.
Across areas such as Camden, Islington and Hackney, we often inspect older slate roofs that have been repaired in stages. In Barnet, Croydon and Ealing, surveys may involve several roof sections, extensions or flat roof additions completed at different times.
A useful roof survey should be clear, practical and based on what’s actually visible. We don’t use minor wear to justify unnecessary replacement, and we won’t dismiss a problem simply because it hasn’t caused a major leak yet.
We take time to inspect the key areas and explain our findings in straightforward language. Where there’s more than one repair option, we’ll discuss the difference between a local repair and more extensive work.
Our day-to-day experience with London properties helps us recognise common problems associated with period terraces, tiled suburban homes, converted flats and modern extensions. Restricted access, shared rooflines and neighbouring buildings are all considered as part of the assessment.
Areas
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 1966.
Faq
Have questions about our roofing or building services? We've answered some of the most common queries to help you better understand our services, our process, and what you can expect when working with RJC Roofing & Building. If you can't find the information you're looking for, our friendly team is always happy to help.
The terms are often used interchangeably. Both involve assessing the roof, although the scope may vary depending on whether you need a general condition check or an investigation into a specific problem.
It can be helpful, particularly if the main survey has raised concerns or the roof appears old, altered or poorly maintained.
We inspect the likely entry points and surrounding roof details. Water can travel beneath coverings, so the source may not be directly above the visible damp patch.
Yes. We inspect flat roof coverings, edges, outlets, joints, upstands and signs of standing water or trapped moisture.
Some initial observations can be made from the ground, but closer access is usually needed for a meaningful assessment. This depends on the building and safe access arrangements.
Yes, where the roof’s condition makes replacement the more practical option. If repairs are suitable, we’ll explain those instead.
Yes. If repair or replacement work is recommended, we can provide a quotation based on the agreed scope.
If you're looking for a reliable roofing and building company in London, we'd be pleased to discuss your project. Whether you need urgent roof repairs, a new roof, routine maintenance or a larger building project, RJC Roofing & Building is here to provide practical advice, quality workmanship and a professional service. Contact us today to arrange a free quotation or speak to our team.

RJC Roofing & Building provides professional roofing and general building services across London. We work with homeowners, landlords and property managers who want clear advice, dependable workmanship and a job completed properly.
Menu
Services
Copyright © 2026 RJC ROOFING & bUILDING. All rights reserved.