How much does Repairing Water-Damaged Paint cost?

Average Cost of Repairing Water-Damaged Paint: £100 to £1,500

The cost to repair water-damaged paint can vary widely, ranging from under $100 for minor touch-ups to over $1,000 for extensive damage.

22 Jul, 2025 / Decorator / Written by ServiceTasker Team / 9 Views / Last Updated 07 Aug, 2025




How much does Repairing Water-Damaged Paint cost?



The cost to repair water-damaged paint can vary widely, but you can expect to pay anywhere from £100 to £1,500 or more, depending on the extent of the damage and the size of the affected area.



One problem that the UK homeowner should be aware of is water-damaged paint. This is sometimes caused by leaking pipes, roof damage, or rising damp, even though the cause may not always be these. How much does repairing water-damaged paint cost? This guide discusses the factors of cost, mid-range prices, and other concerns to take into consideration that the UK homeowner needs to know to fix the water-damaged paint. The knowledge of price becomes necessary when you reside in an older terraced home or a new semi-detached property, in which water-damaged paints are often seen.




Causes of Water-Damaged Paint



It is imperative to get to know the common causes before considering the cost:



  • Leaking Roofs or Gutters: The roof tiles or guttering may be broken or obstructed, resulting in the ingress of water.

  • Leaks in plumbing: Leaks in plumbing may be hidden since the leak is in faulty pipework or radiators.

  • Rising Damp: The groundwater that gets up the walls as a result of a breakdown damp-proof course.

  • Condensation: Usually places where there is inadequate ventilation, like kitchens and bathrooms.



The actual prices of repair depend on the cause of the problem and the depth of the damage, as well as the availability of the damaged area.


Indications You Have to Take Action



You should take action at once in case you observe any of the following:



  • Blistering or flaking paint, or bubbling paint

  • Discolouration of ceilings/walls (brownish-yellow stains)

  • Distorted skirting boards or door frames

  • A stuffy odour, particularly when you are in an area which is enclosed

  • Patches of black mould on the walls or the ceilings




Cost of Water-Damaged Paint Repair: How Much To Pay



The following table gives a breakdown of average repair work and costs in the UK, including VAT:



































Type of Work Estimated Cost
Basic cosmic repaint £80-£200
Replastering a small area £100-£200
Full room repaint £200-£600
Specialist damp treatment £500-£2000
Leak detection survey £100-£300
Roof repair (minor work) £150-£450
Skirting board replacement £60-£200


Scaffolding may have to be used in high ceilings or for external access, and this may cost a lot. There might also be other expenses involved with the removal of furnishings, hiring of a skip, or working on accommodation with heritage listings, where only breathable materials are needed.


The Influence of Property Type on Paint Repair Cost



Types of housing available in the UK bring in different vulnerabilities and needs:



  • Detached properties are more exposed to the outside, thus making them prone to problems such as gutter or roof problems.

  • Houses that are built in terraced form, particularly the old houses, are more vulnerable to rising damp and leaks through chimneys.

  • The neighbours can have an effect on the flats, particularly on converted flats where the older sets of pipes may overlap one another.



As a case in point, an example could be given where repairing a water-damaged wall of a house in a modern London flat would be cheaper than solving a damp problem of a Victorian terraced house in Liverpool, where material compatibility is difficult and older, formed damp problems.




Breakdown of Water-Damaged Paint Repair Cost


1. Diagnosis and investigation:



Before any corrective action is taken, it is essential to find the cause of the moisture and eliminate it:



  • Moisture Meter Survey: £60–£120

  • Leak Detection (thermal imaging or pressure testing): £150–£300

  • Damp Specialist Consultation: £95–£200



These are preparatory procedures to make sure that the problem is not superficial and the rate of occurrence is mitigated.


2. Root Cause Remediation



When the problem has been diagnosed, it is important to deal with the moisture source:



  • Roof Repairs: Damaged flashing, tiles or valleys – typically £150 to £450

  • Plumbing Repairs: Leak under floorboards or behind walls – £75 to £200

  • Damp-Proof Course Injection: £500 to £2,000 (depending on linear metres)

  • Bathroom Ventilation Installation: £150 to £400


3. Surface Repair



The damaged inner surfaces are to be put back together when dry and stable:



  • Skimming Damaged Plaster: Around £15–£20 per m²

  • Plasterboard Replacement: £50–£200 per board

  • Mould Treatment / Fungicidal Wash: £60–£100


4. Redecoration



The last thing is repainting the area. This could be base coats, anti-mould coats and top coats:



  • Anti-Mould or Stain Block Primer: £20–£50 per 5L

  • Standard Emulsion Paint: £20–£60 per room

  • Labour (Professional Painter): £200–£400 per room




Differences in the Regional Costs



The workmen and the raw materials are local. The living and operating costs have escalated, which is reflected in the price levels in London and the South East, used to hire the trades as most tradespeople working there tend to be more expensive.



























Region Typical range for Medium repair
London £400-£1200
South East England £350-£1000
Midlands £250-£750
North of England £200-£600
Scotland and Wales £250-£700


Localised quotes should always be sought, particularly when the work is within an overall renovation plan.




Do it Yourself or Call a Professional?



DIY might sound economical, however, unless you deal with the cause of the ingress of water or treat the underlying plaster properly, you might find yourself repainting in months. Experts have the possibility to analyse the cause, repair the damage, and use lasting and mould-resistant material.




























Task DIY Cost Professional Cost
Paint and tools £60-£100 Included in the job
Plaster repair materials £30-£60 £100-£250
Anti-mould treatment £10-£25 £50-£100
Total for a typical room £100-£200 £300-£600

What is Covered by Home Insurance?



A gradual water damage, e.g. rising damp or slow leak, is not covered by most of the standard house insurance policies. Nevertheless, there is a chance that an accidental leakage occurred due to a burst pipe or a storm-related roof leak.



If cosmetic work, such as repainting or re-plastering, is not covered, you should know that even when such an event is covered, it might not be covered. Make sure to read the small print in detail, particularly exclusions on bad repair or on wear and tear.


The Additional Costs You May Miss



The following costs are not necessarily explained in the quotation, but they may apply to your ultimate invoice:



  • Scaffolding or ladders for hard-to-reach areas (can exceed £300)

  • Skip hire for removing damaged plaster or insulation (£60 to £150)

  • Drying equipment rental if excessive moisture is present (£25 to £40 per day)

  • Parking permits /congestion charges, especially in the cities

  • Older homes have materials that are breathable or have heritage approval



Ask the clarification of all these details to your tradesperson first before work starts.




When to Call a Specialist and How to Choose One



You should hire a professional to address water damage, prevent the problem again and repair the damaged paint. The nature of the specialist that you will require will depend on the underlying cause of the damage:



  • Plumbing leaks: Water stains, or even paint that is bubbling are symptoms that there may be a plumbing leak or maybe faulty plumbing fixtures and so the first person you should call is a good plumber. They are capable of detecting and eliminating the problem of burst pipes, broken connections, or disrupted appliances.

  • Persistent damp: When there is a seemingly persistent issue in rising damp, condensation or penetrating damp, then a PCA-certified damp specialist (Property Care Association) is the most qualified individual. They are made to check the ingress of moisture and even advise individual solutions such as damp-proofing systems or ventilation systems.

  • Cosmetic or structural repair: For cosmetic or structural repair, a painter/decorator, or, less likely, a general builder, will assist in repairing and restoring water-damaged materials such as plaster, skirting boards, and paintwork.


The Process of Selection of the Right Professional



Good workmanship is important, particularly in guarding against subsequent damage to your home. The following are some of the guides to achieve the right hire:



  • Search accreditations: A good indication here would be membership of trade bodies of the Federation of Master Builders (FMB), PCA, or TrustMark, which are governed by highly respected bodies.

  • Contract: Prepare a written contract, work out all the details at the stage of a written quote, and for significantly important works, you can turn to a JCT Homeowner Contract with clearly stated roles, deadlines, and payment methods.

  • Check independent reviews: The reviews shown on ServiceTasker, TrustMark, and other websites provide you with a fair chance to make an informed choice.

  • Watch out for red flags: Stay away from tradepeople who demand payment in full and refuse to provide a written contract, and those who ask you to make an immediate decision.




Preventing Future Water Damage



Preventative maintenance can be applied as a safeguard to your property against future experiences pertaining to the repair work once this is fixed. The following are a few proactive measures every homeowner ought to consider:



  • Check gutters and roofing once a year: Check the roofing and clear the gutters, and check that downpipes are in good shape since they are the usual suspects when it comes to water ingress. You would get regular checks, and they would allow you to detect problems in time.

  • Ventilation and moisture control: It is advisable to use extractor fans in your bathrooms as well as your kitchen, and effective moisture control (using dehumidifiers).

  • Cover weak points with waterproof sealants: At baths, sinks, showers, and under the windows, use waterproof sealants to prevent leakage at its onset.

  • Better insulation measurement: Walls and windows can be insulated, which will aid in maintaining the internal temperatures and minimise future condensation on their cold surfaces.




Signs that Your Repaint Work was Not Done Well



In cases where the areas that were damaged by water were repainted, after the work has been done, it is worth verifying that the work has been done up to a standard level. Issues of poor workmanship might land somebody back in the work earlier than anticipated.



  • Poor coverage: Say some old stains or skin coloured areas which does not match the other area, then it is an indication that the surface was not primed well by the painter, or the quality paint was not used.

  • Bubbling or peeling: It usually signifies that the surface was still wet when painted, or that it has not been carried out properly.

  • Cracking or flaking: This may be because of thick layers of paint that have been applied or a paint that did not undergo sanding and priming, leading to the cracks being evident soon after painting.

  • Paint runs or streaks: This is mostly due to overloading the brush or roller and may have an impact on the finishing durability.

  • Mould recurring: When mould reoccurs shortly after painting, then there was something wrong with the moisture problem.


What You Can Do:



  • You should also ask them to provide a snagging list so that any flaws are rectified by the painter before giving the final money.

  • In case you are in a formal contract, retain part of the remuneration until such a time that the work is verified and declared as final.

  • In case of doubt, ask for another opinion from a damp expert certified by PCA or a recommended decorator.




Conclusion



In the UK, paint can be restored through simple cosmetic repair in case of water damage, or through an involved repair in case of severe water damage. Prices are determined depending on the materials, labour, and whether the cost can be covered under insurance. Taking action promptly, selecting the competent specialists, and taking care of ensuring the situation at the core is resolved, homeowners will preserve not only the outlook of their property but also its integrity. Find exact quotes, thoroughly check the final job, and advise your insurer, where necessary.




Costs of various services and materials in this cost guide should be taken as estimates. These depend on location, preference and demands in the market.

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