Decoration, Maintenance & Repairs
Roof survey for landlords: when you need one and what it costs
A roof is one of the most expensive components of any property to repair or replace and one of the easiest to neglect until a problem becomes urgent. For UK landlords, understanding when a roof survey is needed, what it involves, and how to act on the findings is an important part of managing a rental property responsibly and protecting long-term investment value.
What is a roof survey?
A roof survey is a professional inspection of a property's roof covering, structure, flashings, gutters, and drainage, carried out to identify defects, assess the remaining serviceable life of the roof, and recommend any necessary remedial works. It is distinct from a standard mortgage valuation, which typically involves only a visual inspection from ground level, and from a full structural survey, which covers the entire building. A roof survey focuses specifically on the roof and its associated elements.
Roof surveys are carried out by qualified roofing contractors, specialist roofing surveyors, or chartered building surveyors, depending on the complexity of the roof and the purpose of the inspection.
When should a landlord commission a roof survey?
There are several situations where a roof survey is a sensible precaution or a practical necessity.
Before purchasing a rental property, particularly an older property or one where the roof is visibly aged, a specialist roof survey gives confidence about the condition and likely capital expenditure requirements before you commit. A standard RICS Level 2 or Level 3 survey will flag roof concerns, but a specialist survey provides more detailed findings and cost estimates.
After a severe weather event like storms, heavy snow, or prolonged periods of high wind, a survey helps identify damage that may not be immediately visible from ground level but could allow water ingress over time. Landlords have a legal duty under Section 11 of the Landlord and Tenant Act 1985 to keep the structure and exterior of a property in repair, which includes the roof. Acting promptly after potential damage helps you demonstrate that duty has been met.
When a tenant reports water ingress, ceiling staining, or damp patches on upper floors or ceilings, a roof survey helps identify the source before committing to repairs. Internal damp has multiple potential causes including roof defects, blocked gutters, failed flashings, or condensation and it is important to diagnose correctly before spending money on remediation.
As a routine maintenance check, many landlords of older properties commission a roof survey every five to ten years as part of a planned maintenance programme. This allows for proactive identification and repair of minor defects before they become major problems, and provides documentation of the roof's condition for insurance and records purposes.
Types of roof survey for rental properties
The appropriate type of survey depends on the property and the concern being investigated.
A standard visual survey involves the surveyor inspecting the roof from ground level, from internal roof spaces, and in many cases from the roof surface itself using ladders. It identifies visible defects including missing, cracked or slipped tiles, failed flashings around chimneys and dormer windows, blocked or damaged gutters and downpipes, and signs of moss or vegetation growth that can trap moisture. Most routine inspections fall into this category and are sufficient for straightforward pitched roofs on typical residential properties.
A drone survey uses an unmanned aerial vehicle to capture high-resolution images and video of the roof surface, including areas that are difficult or unsafe to access directly. Drone surveys are increasingly used for larger properties, flat roofs, and commercial buildings, and can provide photographic evidence of defects that would otherwise require scaffolding to inspect. Results are typically faster and less disruptive than a full access survey.
A thermal imaging survey uses infrared cameras to detect areas of heat loss or moisture ingress that are not visible to the naked eye. This is particularly useful for flat roofs, where water can pond beneath the membrane without causing immediately obvious surface damage. It is also used to identify areas of poor or missing insulation. Thermal surveys are more specialised and more expensive, but provide evidence of problems that would otherwise remain hidden until significant damage has occurred.
A full structural roof survey, typically carried out by a chartered building surveyor, covers not just the roof covering but the underlying structure, including rafters, joists, purlins, ridge board, and any evidence of movement or failure. This level of inspection is appropriate when the survey has identified potential structural concerns, when the property is old or unusual in construction, or when significant works are being planned.
What does a roof survey cover?
A thorough roof survey will typically assess the roof covering (tiles, slates, felt, or flat roof membrane), the condition and alignment of individual tiles or slates, flashings around chimneys, skylights, dormer windows, and abutments with adjacent walls, the ridge and hip tiles, gutters, downpipes and their connection to drainage, the fascia and soffit boards, the internal roof space including ventilation, insulation, and any signs of water ingress or rot, and where accessible, the structural timbers.
The surveyor will identify defects, rate them by urgency, and provide recommendations for remedial works. A good report distinguishes between works that are urgent (immediate risk of water ingress or structural failure), works that should be carried out within the next one to two years, and items to monitor at the next inspection.
Typical roof survey costs
Roof survey costs vary depending on the type of inspection, the size and complexity of the property, and the surveyor's location. As a rough guide for 2026:
A standard visual inspection by a roofing contractor typically costs £100–£300 for a standard two-storey residential property. Many contractors offer a free initial inspection if you are commissioning works, though an independent inspection provides a more objective assessment.
A specialist roofing survey by a qualified surveyor typically costs £300–£700 for a standard residential property, producing a written report.
A drone survey typically adds £150–£400 to the cost of a standard survey, depending on roof area and complexity.
A thermal imaging survey costs £400–£1,000 or more depending on roof area and the equipment required.
A full structural survey including roof assessment, carried out by a RICS-chartered surveyor, typically costs £600–£1,500 for a standard residential property.
Acting on the findings
A roof survey report is only useful if you act on it. For urgent defects, obtain at least two or three quotes for the recommended works from reputable roofing contractors, request that they reference the surveyor's report and confirm the scope of work addresses the identified defects specifically.
For non-urgent items, create a maintenance schedule with target dates for carrying out the works, and factor the estimated cost into your property's capital expenditure planning. August's reminders feature allows you to set maintenance reminders against specific properties, keeping planned works in view rather than forgotten until the next crisis.
Keep all survey reports, quotes, invoices, and sign-off documents in one place, August's document storage provides a centralised record for every property, which is particularly useful when the property is sold or when an insurance claim needs to be evidenced.
Roof repairs and your legal obligations
As a landlord, you are legally required under Section 11 to keep the structure and exterior of the property in repair. This includes the roof. If a tenant reports a roof-related problem and you fail to act within a reasonable timeframe, you may be in breach of your repairing covenant and potentially liable for disrepair claims if the tenant suffers loss as a result.
Carrying out and documenting regular roof inspections demonstrates that you have taken a proactive approach to maintenance, which matters both legally and practically if a dispute arises. For more on your general repairing obligations, see our article on allowable expenses for landlords, roof repairs are an allowable expense for income tax purposes, while a full roof replacement is likely to be a capital improvement rather than a repair and treated differently for tax.
Also see: Repairs · Section 11 · Landlord insurance · Capital improvements · Property inspection · Disrepair claims
Disclaimer: The information in this article is intended as a general guide only and does not constitute legal or financial advice. Landlord legislation is subject to change. August recommends seeking independent legal advice for your specific circumstances.
Author
August Team
The August editorial team lives and breathes rental property. They work closely with a panel of experienced landlords and industry partners across the UK, turning real-world portfolio and tenancy experience into clear, practical guidance for small landlords.
