In This Guide
Most homeowners assume their buildings insurance covers everything connected to a water leak. Find the leak, fix it, send the bill to the insurer. That is not how it works, and the gap between what people expect and what is actually written in the policy documents is the reason trace and access claims are one of the most disputed categories in UK home insurance.
Trace and access is a specific, named element of cover within a buildings insurance policy. It covers the cost of finding a hidden water leak and accessing it for repair. It does not cover the repair itself. It does not cover the resulting water damage. Those are covered under separate sections of the policy, each with their own limits and conditions. And while the majority of buildings policies in the UK do include trace and access, the 3 percent that do not, plus the many policies where the cover limit is too low to be practically useful, affect a significant number of homeowners every year.
The 0800 Homefix leak detection team works alongside homeowners and their insurers across London on trace and access investigations. This guide explains clearly whether your policy is likely to include it, how to check, what the real-world costs look like against typical policy limits, and what to do if your cover falls short.
If you have a suspected hidden leak and need a professional investigation and written report, the 0800 Homefix trace & access leak detection team covers London seven days a week and produces insurer-compatible reports.
The Direct Answer: 97% of Policies Include It But That Leaves 3% That Do Not
According to Defaqto, which analyses home insurance products across the UK market, 97 percent of buildings insurance policies include trace and access cover as standard. That figure is often cited as reassurance that most homeowners are covered. It is reassurance with a caveat worth understanding.
Three percent of buildings policies exclude it entirely. That represents a significant number of homeowners nationally. Budget and entry-level policies are disproportionately represented in that 3 percent. A homeowner who bought the cheapest buildings insurance on a comparison site without reading the policy schedule may not have trace and access at all. The policies that do include it vary considerably in their cover limits, exclusions, and whether making good is included within the trace and access allowance or treated as a separate item.
The more useful question for any individual homeowner is not whether trace and access is standard across the market but whether their specific policy includes it and what the actual limit is. These are two separate questions, and both answers are found in the policy documents rather than in the insurer’s headline coverage summary.
Check now, not during a claim
The time to check whether your policy includes trace and access, and what the limit is, is before a leak occurs. Reviewing the policy schedule during an active leak investigation adds unnecessary stress and delay to an already difficult situation.
What Trace and Access Cover Includes and What It Does Not
The terminology is precise and the boundaries matter considerably when a claim is being assessed. Trace and access is the named cover for the investigation and access costs associated with finding a hidden water leak. It has a clear scope and clear exclusions.
What Is Included
The cost of specialist leak detection work using professional equipment falls within trace and access. This includes thermal imaging surveys to identify temperature anomalies in walls and floors caused by leaking hot water pipes, acoustic detection to amplify and locate the sound of water escaping from pressurised pipework, moisture mapping using calibrated moisture meters to identify the extent and location of elevated moisture in building materials, and tracer gas detection for underground pipes and buried supply lines beneath concrete floors or external ground.
The physical access work required to reach the leak once its location has been established also falls within trace and access. Lifting floor tiles or floorboards, cutting into plasterboard walls, removing sections of ceiling, or excavating ground above an underground supply pipe are all common access requirements that the cover is designed to pay for.
Making good the surfaces disturbed during investigation and access is generally included within trace and access cover, though this is sometimes treated as a sub-limit within the overall cover allowance. Replacing lifted floorboards, patching cut plasterboard, reinstating removed tiles, and restoring excavated ground are the typical making good costs.
What Is Not Included
Repairing the leaking pipe, joint, tank, or appliance is not covered under trace and access. The cover pays for finding and reaching the fault. The repair itself is either covered under a different section of the policy, such as accidental damage cover, or falls outside insurance cover entirely if the failure resulted from general wear and age. Most standard buildings policies do not cover the repair of a pipe that has failed through deterioration over time.
The resulting water damage to ceilings, walls, floors, and contents is covered under the escape of water section of the buildings policy rather than under trace and access. These are separate claims even when they arise from the same leak incident. The escape of water limit is usually considerably higher than the trace and access limit, reflecting the typically greater cost of remediating water damage compared to the investigation and access costs.
Any leak caused by water entering from outside the property, such as rainwater through a roof defect, storm damage, or surface water flooding, does not trigger trace and access cover. Trace and access applies specifically to water escaping from an internal source within the property.
Cover Limits vs Real-World Costs: The Gap That Catches Homeowners Out
The headline figure that most policies include trace and access cover is less useful than knowing whether the limit is adequate for a worst-case scenario in your specific property. This is where the gap between having cover on paper and having useful cover in practice becomes apparent.
Typical Policy Limits
Most buildings insurance policies that include trace and access set a cover limit of between £5,000 and £10,000. Some policies set lower limits, particularly entry-level or budget products, with limits as low as £1,000 to £2,500 that are effectively inadequate for anything beyond the most straightforward investigation in an accessible location. A small number of premium policies offer higher limits or unlimited cover, though these are rare in standard residential buildings insurance products.
What Trace and Access Actually Costs in London
The cost of a trace and access investigation and access job varies enormously depending on the location of the leak, the detection methods required, the type of surface that needs to be opened up, and the reinstatement work afterwards. A straightforward investigation using acoustic detection and moisture mapping for a leak within a wall void, with limited making good required, may cost £1,000 to £2,500 in London. A complex investigation involving multiple detection methods, access through a tiled floor or kitchen screed, and subsequent reinstatement of a tiled surface can cost £5,000 to £15,000 or more.
For underground supply pipe leaks in London properties, where the supply pipe runs beneath a paved driveway or front garden and access requires excavation, breaking up concrete, and reinstatement of a hard surface finish, costs can exceed £10,000 on older properties where the pipe run is long or the access conditions are difficult. A policy limit of £5,000 may cover the investigation and access work but leave the homeowner responsible for the reinstatement costs above the limit.
Larger properties, those with complex plumbing such as underfloor heating systems beneath tiled floors throughout the ground floor, or Victorian properties with original pipework in difficult-to-access voids, are most likely to encounter costs that approach or exceed standard policy limits. Homeowners in these situations should check their specific limit and consider whether it is realistic for their property.
London property owners: The combination of older pipework, tiled floors, period building materials, and higher labour costs in London means trace and access jobs regularly exceed the standard £5,000 to £10,000 limits that are quoted as typical nationally. Check your policy limit specifically for your property type.
Do not simply redecorate over water stains or damp patches. Painting over a damp wall without fixing the source will result in the stain reappearing within weeks.
How to Check Whether Your Policy Includes Trace and Access
Checking your own policy is straightforward once you know where to look and what to look for. The policy schedule, the main document issued when the policy is bought or renewed, summarises the headline cover elements and their limits. The policy wording document contains the full definitions, conditions, and exclusions.
Where to Find It in the Policy Documents
In the policy schedule, look for trace and access as a named line item, usually listed under the buildings section alongside the main buildings sum insured and the escape of water limit. Some policies list it as finding a leak or access cover rather than using the term trace and access directly. Note the specific cover limit shown.
In the policy wording, the trace and access section will define precisely what triggers the cover, what it includes, what it excludes, and any conditions that apply such as requiring an approved plumber or specialist leak detection company. This is where exclusions for gradual damage, poor maintenance, and external water sources will be set out. Reading this section carefully before a leak occurs is worthwhile, as it determines what evidence you will need to gather and what process to follow when a claim is made.
What to Look For When Comparing Policies
When comparing buildings insurance policies, the trace and access cover limit and the exclusions are the two most important variables after the headline buildings sum insured. A policy with a £10,000 trace and access limit is meaningfully better than one with a £2,500 limit for anyone with a larger or older property. A policy that includes making good within the trace and access limit is better than one that treats reinstatement as a separate additional cost outside the limit.
Check whether the policy requires the use of an approved plumber or approved leak detection company for trace and access work. This requirement exists in many policies and affects whether you can instruct 0800 Homefix directly or whether the insurer needs to be contacted first to authorise the investigation through their approved contractor process. Neither arrangement is necessarily better, but knowing which applies to your policy determines the correct first step when a suspected hidden leak is identified.
Does Contents Insurance Include Trace and Access?
Standard contents insurance policies do not include trace and access cover. Contents insurance protects the homeowner’s personal belongings within the property against damage and theft. It does not cover the building structure, the pipework within the building, or the investigation costs associated with finding a structural fault.
The practical implication is that a homeowner who has contents insurance but no buildings insurance has no trace and access cover. A tenant who has their own contents insurance policy does not have trace and access cover for the building. The trace and access claim for the property must be made under the buildings insurance policy, which is the landlord’s policy for a rented property, not the tenant’s contents insurance.
Some home insurance packages sold as combined buildings and contents products include trace and access as part of the overall package. In these cases the cover is being provided under the buildings element of the combined policy rather than the contents element. The distinction matters if a claim is being assessed and the insurer needs to determine which section of the policy it falls under.
Trace and Access vs Home Emergency Cover: Understanding the Difference
Home emergency cover is sometimes confused with trace and access, particularly because both can respond to water leak situations. They are different products that cover different costs, and having one does not mean you have the other.
Home emergency cover pays for an emergency plumber or heating engineer to attend the property and deal with an immediate crisis, such as a burst pipe causing active flooding, a complete loss of water supply, or a boiler failure leaving the property without heating or hot water. It covers the emergency callout and the immediate repair work needed to make the property safe and habitable. According to Defaqto, only 23 percent of buildings insurance policies include home emergency cover as standard. It is much less commonly included than trace and access.
Trace and access pays for the specialist investigation and access work to locate a hidden leak that is not immediately visible. The two covers operate at different points in the leak scenario. Home emergency cover responds when there is an active emergency. Trace and access responds when a leak is suspected or confirmed but cannot be located without specialist investigation.
A homeowner with an active burst pipe needs home emergency cover for the plumber who attends and repairs it. A homeowner with a suspected hidden leak producing a damp patch on the living room ceiling but no visible source needs trace and access cover for the specialist investigation that identifies where the water is coming from. These are genuinely different situations requiring different cover elements.
Does Trace and Access Cover Gas and Oil Leaks as Well as Water?
Some home insurance policies extend trace and access cover beyond water leaks to include the investigation costs for gas leaks and oil supply pipe leaks. This is not universal, and the extension is more commonly found in comprehensive or premium policies than in standard buildings cover.
For gas leaks, it is important to note that the immediate response to a suspected gas leak, calling the National Gas Emergency Service on 0800 111 999 and evacuating the property, is not an insurance matter. The National Gas Emergency Service attends gas leak emergencies free of charge. The insurance question arises if the source of a gas leak is unclear and specialist investigation is needed to locate a leak within the property’s gas pipework. Some policies cover the trace and access costs for this investigation under the same section as water leak investigations.
Gas leak investigation work must be carried out by a Gas Safe registered engineer. The 0800 Homefix team includes Gas Safe registered engineers qualified to investigate suspected gas pipe leaks in domestic properties across London. Any investigation involving gas pipework falls outside the scope of a standard water leak detection visit and requires a Gas Safe engineer specifically.
What to Do When Your Trace and Access Limit Is Too Low
If your policy includes trace and access but the limit is lower than the actual cost of the investigation and access work for your property, the insurer pays up to the policy limit and the homeowner pays the difference. This is a straightforward arrangement that most homeowners understand in principle but may not have planned for specifically.
The practical options when the cover limit is insufficient are limited once the leak has already occurred. Retrospectively increasing the limit after a leak has been discovered is not possible. The time to address an inadequate limit is at renewal, when the policy can be amended or switched to a provider with a higher limit.
Before renewing, compare the trace and access limit against the realistic worst-case scenario for your property. For a modern flat in a low-rise block with accessible pipework, a £5,000 limit may be entirely adequate. For a period townhouse in London with original pipework, tiled bathroom floors throughout, and an underground supply pipe beneath a block-paved driveway, a £5,000 limit may cover only part of a significant investigation and access job. The policy limit needs to reflect the property, not just the national average scenario.
If you are facing a trace and access situation where the investigation cost may approach your policy limit, the 0800 Homefix team can provide an estimate of the likely scope before work begins. Our water leak detection service uses non-invasive detection methods first to minimise access costs before any physical opening up of surfaces is needed.
Frequently Asked Questions
Is trace and access cover included in all home insurance policies?
No, not all, but most. According to Defaqto, 97 percent of UK buildings insurance policies include trace and access cover as standard. The 3 percent that do not tend to be budget or basic policies. Cover limits also vary significantly between policies that include it, from as low as £1,000 in some entry-level products to £10,000 or more in comprehensive policies. Check your own policy documents for the specific trace and access limit rather than assuming average market figures apply to your policy.
What is the difference between trace and access and escape of water cover?
Trace and access pays for finding a hidden leak and accessing it. Escape of water pays for the damage caused by the water that escaped. They are separate sections of the buildings policy with separate limits. A trace and access claim covers the investigation, the opening up of walls or floors, and making good those surfaces. An escape of water claim covers the cost of repairing water-damaged ceilings, floors, walls, and contents. Both claims often arise from the same leak incident but are processed separately.
Does my contents insurance include trace and access cover?
No. Trace and access is a buildings insurance benefit. Contents insurance covers personal belongings and does not extend to the investigation of hidden leaks in the building structure. Tenants with their own contents insurance do not have trace and access cover for the property. That cover sits under the buildings insurance, which is the landlord’s policy for a rented home.
How much does trace and access typically cost in London?
Costs vary significantly depending on the complexity of the investigation and the type of access required. A straightforward investigation using thermal imaging or acoustic detection with limited making good may cost £1,000 to £2,500. A complex job involving multiple detection methods, access through a tiled floor or kitchen screed, and reinstatement of a hard surface can cost £5,000 to £15,000 or more. Underground supply pipe investigations beneath concrete or paved surfaces in older London properties can exceed standard policy limits. 0800 Homefix charges £950 for a trace and access investigation including the professional written report.
Do I need to contact my insurer before booking a trace and access investigation?
Yes, in most cases. Many policies require the insurer to be notified before trace and access work is instructed and may require the use of an approved contractor. Booking an investigation without notifying the insurer first can result in the costs not being covered even if the policy includes trace and access. Contact your insurer when a hidden leak is suspected, confirm their process for approving an investigation, and establish whether they have an approved contractor requirement before instructing any company to carry out the work.
What evidence do I need to support a trace and access claim?
A professional written report from a qualified leak detection specialist documenting the investigation methods used, the equipment deployed, the precise location of the leak identified, and the findings is the primary evidence. Supporting photographs of visible damage, the investigation process, and the identified fault strengthen the claim. A record of when the leak was first discovered, when the insurer was notified, and when the investigation was carried out provides the timeline the insurer needs to assess the claim. 0800 Homefix produces reports in the format required by insurers and loss adjusters as standard.
Suspected a Hidden Leak? 0800 Homefix Can Find It
Whether you are checking whether a suspected leak warrants contacting your insurer, or you have already confirmed a claim and need a professional investigation and report, the 0800 Homefix water leak detection team uses thermal imaging, acoustic detection, moisture mapping and tracer gas equipment to locate hidden leaks with minimal disruption. Our written reports are produced in the format insurers and loss adjusters require and are used to support trace and access claims across London regularly.
We cover London and the surrounding area seven days a week. Water leak investigation is £120 for same-day attendance. Trace and access investigation including full professional report is £950.
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or visit our water leak detection and repair page to arrange an inspection.
Editorial note: This article is intended as a general homeowner guide. All plumbing work on supply pipes should be carried out by a qualified, WaterSafe-registered plumber. If you suspect a gas leak, leave the property immediately and call the National Gas Emergency Service on 0800 111 999.
