How Long Does a Damp Report Take?

If you’ve noticed strange odours, unusual wall stains, or other signs of damp, you’re probably wondering: “How long will it take to get a damp report?”

Short answer: typically 2 to 5 working days from start to finish. The exact timing depends on how quickly you can book the appointment, how complex the issue is, and the report’s depth.

This guide walks you through what a damp report is, how the process works, and what can influence turnaround time, so you can plan without surprises.

What Is a Damp Report?

A damp report is a detailed inspection carried out by a qualified damp surveyor to assess moisture problems in a property. It helps identify what type of damp is present—such as rising damp, condensation, or penetrating damp—and recommends appropriate treatment.

Typically, the report includes:

• Moisture readings from diagnostic tools

• Photos and diagrams of affected areas

• Identification of root causes (e.g., poor ventilation or structural issues)

• Actionable recommendations for damp-proofing or repairs

If you’re buying, selling, renting, or maintaining a property, a damp report provides peace of mind and often satisfies requirements from lenders or estate agents.

Signs You Might Need a Damp Report

Not sure if you actually need a damp report? These warning signs can help you decide:

• Persistent musty odours that don’t go away with cleaning or ventilation

• Peeling paint, blistering wallpaper, or crumbling plaster

• Tide marks or dark stains low on walls

• Black mould growth around windows or in corners

• A cold, clammy feel to walls or air, especially in winter

• Unexplained respiratory issues or increased allergies indoors

If you’re noticing any of the above, a professional damp inspection can help confirm what’s really going on—before it becomes a bigger problem.

Timeline Overview for Damp Survey Report

Here’s a high-level view of the damp report timeline:

Some providers offer fast-track options, which can shorten this to as little as 24 hours.

Step-by-Step Breakdown of the Damp Report Process

Understanding each step of the process helps manage expectations and avoid delays. Here’s what happens from booking to delivery:

Step 1 – Booking the Appointment (Same Day to 48 Hours)

Many surveyors can offer same-day or next-day bookings, especially in urban areas. However, availability can vary depending on location and demand. Providing accurate property details upfront—such as symptoms, layout, and access info—can help secure a slot more quickly.

Step 2 – On-Site Damp Survey (2–4 Hours Average)

The surveyor visits the property and conducts a full inspection using tools like moisture meters, thermal imaging, and salt analysis kits. Depending on the size and layout of the building, this process usually takes between two and four hours. Notes, photos, and readings are gathered on-site to inform the final report.

Step 3 – Report Compilation (1–2 Working Days)

Once the survey is complete, the surveyor compiles their findings into a written report. This typically takes one to two working days and includes detailed observations, diagrams, and recommendations. Some providers offer digital delivery within 24 hours, especially for urgent cases.

Factors That Affect Report Turnaround Time

Several factors can influence how long the process takes:

• Size and complexity of the property – Larger homes or buildings with difficult access may take longer to inspect and report on.

• Severity or spread of damp – Localised issues are faster to assess than widespread or multi-room moisture problems.

• Type of report requested – A basic report for mortgage reassurance is quicker than a full structural or pre-purchase survey.

• Surveyor availability – Lead times vary depending on workload, location, and season. Booking early helps avoid delays.

Tools and Techniques Used in a Damp Survey

Modern damp surveys use more than just “touch and guess.” Here’s what professionals bring to the job:

• Moisture Meters: Measure damp levels in walls, floors, and timber.

• Thermal Imaging Cameras: Spot hidden leaks and temperature differences behind surfaces.

• Salt Analysis: Identifies whether water ingress is rising from the ground or entering from rainwater.

• Hygrometers: Gauge indoor humidity to assess condensation risks.

• Borescopes: Tiny cameras that let surveyors see inside cavities and behind walls.

These tools ensure accurate diagnosis, so treatment is based on facts, not assumptions.

How to Speed Up the Damp Report Process

If you’re under pressure to get results fast, here are a few tips to accelerate the process:

• Clear access to all areas being surveyed (including lofts or basements)

• Have property details ready, such as floor plans, damp history, or prior repairs

• Book mid-week to avoid bottlenecks around weekends

• Choose a provider offering express or same-day services

Being proactive can help you receive the report in as little as 24–48 hours.

Who Should Carry Out a Damp Proof Survey?

Always choose a qualified damp specialist, not just a general builder or sales rep. Look for:

• PCA (Property Care Association) members

• CSRT-qualified surveyors (Certified Surveyor in Remedial Treatment)

• Companies with independent, impartial inspections—not just sales-driven surveys

Avoid free surveys unless you’re confident they won’t be biased toward selling their own treatments. A professional damp report should be objective and focused on what’s best for the property.

What Happens After You Receive the Report?

Once you receive your damp report, take the time to review it thoroughly. Most reports include a summary of the findings, the type and extent of damp present, and specific advice for treatment. If any parts are unclear, don’t hesitate to follow up with the surveyor for clarification.

Next, use the report to gather quotes for damp proofing or repairs from trusted contractors. If you’re a tenant, share the report with your landlord or managing agent. In cases of ongoing issues or severe damage, you may be advised to schedule a follow-up survey after repairs are completed.

What Types of Damp Reports Are Available?

Depending on your needs, there’s more than one kind of damp report:

Choosing the right type avoids delays and ensures you get the right level of detail.

Final Thoughts: How Long Should You Expect to Wait?

As outlined earlier, expect the process to take 2 to 5 working days, from booking to delivery.

Here’s what to expect:

• Booking: Same day to 48 hours

• On-site inspection: 2–4 hours

• Report delivery: 1–2 working days

At EX10, we specialise in fast, professional damp surveys that give you answers without delay. Whether you’re buying, selling, or resolving a moisture issue in your home, we deliver thorough diagnostics and clear, actionable reports—often in as little as 48 hours. With 24/7 availability and nationwide coverage, we’re ready when you are.

Contact us today for expert advice or to book your damp survey.

Frequently Asked Questions

Can I get a same-day report?

In most cases, the on-site survey can be booked same-day, but the actual report usually takes at least 24 hours to prepare. Some companies offer express delivery if flagged during booking.

Is a damp report legally required before buying or selling?

It’s not a legal requirement, but it is commonly requested by mortgage lenders and solicitors. A damp report helps avoid disputes and can speed up the buying or selling process by reassuring all parties.

Will I get photos in the report?

Yes, a professional damp report will almost always include clear photographs of affected areas, as well as moisture meter readings and sometimes thermal images to support the findings.

How long are damp reports valid for?

Damp reports are typically considered valid for 6 to 12 months, assuming no major changes have occurred in the property. If significant time passes or conditions change, a fresh inspection may be required.

What if I need the report urgently?

Let your surveyor know as early as possible. Many offer priority booking, next-day inspections, or 24-hour turnaround for an additional fee. This is especially helpful in time-sensitive cases like house sales or insurance claims.