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Craig got in touch quickly, gave me a rough estimate over the phone and answered all my questions. Surveyor arrived on time, gave instant quote. Price was good. Michael and (another) Craig turned up to do the job on the day, time given. Good, tidy job. Can't fault anything, from start to finish!! Would recommend!

Mary

George and his team are experienced builders, replaced my front door with a custom frame/sidelights and raising the floor level in the hallway quite quickly - in fact, they were the only who came next day, gave a quote straightaway and were ready to start in just couple of days. They also had all the necessary tools and materials, were ready to buy something additional quickly on the day - if further adjustments were required to fit everything as I asked. Thanks a lot for your help, guys!

Dmitry

Highly recommend. These guys did a fantastic job of constructing our pergola and decking. Very hardworking and reliable. The job was completed in the time frame agreed and to a very high standard. We would 100% use them again.

Holly

At Rated People, we connect you with trusted damp and mould specialists who are ready to tackle your home improvement needs. Whether you’re dealing with a minor issue or a more serious problem, our platform gives you access to painters and decorators with hundreds of 5-star reviews. It’s free to post a job, and you’ll receive up to three quotes, ensuring you find the right expert at the right price. Don’t let damp and mould affect your home—find an expert today and get the job done right.

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Local mould & damp experts

What does a damp & mould specialist do?

A damp and mould specialist is trained to identify, assess, and resolve issues related to moisture in your home. These experts conduct thorough surveys to determine the source of dampness, whether it’s from condensation, leaks, or rising damp. They provide tailored solutions to treat and prevent both damp and mould, helping to maintain the structural integrity of your property and improve indoor air quality. 

By hiring a damp and mould specialist, you ensure that the problem is addressed at its root, preventing further damage and potential health risks.

How to spot damp and mould?

Common signs of damp include discoloured patches on walls or ceilings, a musty smell, or peeling wallpaper. Mould often appears as black, green, or brown spots in areas with high humidity, such as bathrooms, kitchens, or basements. If you notice any of these signs, it’s essential to consult a damp and mould surveyor to assess the extent of the issue and recommend the best course of action.

How much does it cost to repair damp?

The cost of repairing damp in your home can vary widely depending on the type and severity of the problem. Understanding the potential expenses involved will help you make an informed decision when addressing damp issues. Here’s a breakdown of what you might expect to pay for different types of damp repairs:

  1. Type of Damp Issue:
    • Rising Damp: This occurs when moisture from the ground rises up through the walls of your home. Treatment often involves installing a damp-proof course (DPC), which can cost between £400 to £1,000 for a single wall. For a more extensive area, the cost can rise to £3,000 or more, depending on the size and accessibility of the affected area.
    • Penetrating Damp: This type of damp is caused by water penetrating through the external walls or roof, often due to leaks, cracks, or faulty guttering. Repair costs can range from £200 for minor repairs, such as fixing a leaking gutter, to over £2,000 for more extensive work, like repairing brickwork or installing new waterproofing membranes.
    • Condensation Damp: Often found in areas with poor ventilation, condensation damp can usually be managed with better ventilation solutions, such as installing extractor fans or dehumidifiers. Simple ventilation fixes might cost around £100 to £300, while more comprehensive solutions like installing a Positive Input Ventilation (PIV) system could range from £800 to £1,500.
  1. Extent of the Damage:
    • Minor Damp Issues: Small areas of damp or mould that are caught early might only require surface treatments, such as anti-mould paint or sealants, which could cost between £50 to £150.
    • Moderate Damp Problems: If the damp has started to cause visible damage to walls, floors, or ceilings, more significant repairs may be necessary, such as replastering affected areas. These costs can range from £250 to £750, depending on the size of the area and the materials required.
    • Severe Damp and Structural Damage: In cases where damp has been left untreated and has caused substantial damage to the structure of your home, such as wood rot or structural weakening, the costs can escalate significantly. Full-scale repairs, including replacing damaged timbers, repairing brickwork, and redecoration, can cost anywhere from £1,000 to £10,000 or more.

Other mould & damp FAQs

What is the difference between mould and damp?

Damp refers to the presence of moisture in a building, which can lead to the growth of mould. Mould is a type of fungus that thrives in damp conditions. While dampness is the cause, mould is a visible symptom that can have serious health implications if left untreated.

Can mould and damp make you ill?

Yes, prolonged exposure to mould and dampness can lead to a variety of health issues, particularly respiratory problems such as asthma, allergies, and even infections.

Do dehumidifiers stop mould?

Dehumidifiers can help reduce moisture levels in the air, which in turn can prevent the growth of mould. However, they are often a temporary solution. It’s crucial to identify and fix the underlying cause of dampness to effectively stop mould from returning.

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High quality of any work a free quote is given we do any building work from patio driveways drains compete build new fencing plastering plasterboards

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Reviewed by Patrick on 13/3/2015

We are very pleased with the work carried out by R and J Lubbock. Richard and Dean installed internal wall insulation in a couple of rooms in our house. They turned up on time, carried out the work carefully, and left the rooms clean and tidy at the end of the job. I would not have any problem recommending them.

We specialize in construction services, delivering high-quality residential, and commercial projects. Our team of experienced professionals excels in design, construction, and project management, ensuring every project meets modern standards and aligns with our clients' needs. We are committed to providing professional, cost-effective services and achieving complete customer satisfaction.

JJ Walker property development. All trade contractors

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Reviewed by Keith on 5/8/2024

Everything done superbly well due to the efforts of Taylor. Kept us advised at all stages of the job. Would recommend unreservedly.

Central Heating & Boiler Services Here at kebesa adey, we have plumbers who have years of experience in dealing with central heating and boilers, so whether you need a trusted, reliable and qualified installer, or an expert engineer to repair your heating system, you can rely on Kebesa Adey to deliver a fast, efficient and professional service. We cover the whole of London and the surrounding area and have expertise in all areas of heating systems, whether your central heating boiler is for domestics All of our engineers are fully-qualified professionals for your peace of mind. Welcome to Heating Engineers based on Souht London, we are a company of local plumbers and central heating engineers serving all areas of London. We specialise in central heating installations, central heating repairs, boiler repairs, gas certificates, boiler replacements and emergency plumbing services. We employ a team of professional, qualified and gas safe registered plumbers are experts in all types of plumbing and heating services Our services covers Boiler Servicing Boiler Installation Boiler Breakdowns Burst Pipes Gas Safety Certificates Unvented Cylinders Power Flushing Plumbing Installations Leaks Gas Fires Cookers/Hobs

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Reviewed by Ese on 9/3/2025

J S Roofing are a local company with exceptional standards & fully qualified. With over 22 years experience we can provide an excellent service whilst listening to individual customer needs & ensuring customer satisfaction. Please take a look at reviews.

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Reviewed by David on 29/4/2025

So the context here is that we have had 4 roofers come to us (not from Rated People) to repair our leak. All arrived with promises to resolve our leak and none managed to do this. Jay and his team inspected the job, confirmed what needed to be done and has delivered on his promises. We have a professional job completed to time and under budget and I have no issues in recommending Jay and his team if you require a professional roofer.

Torwood Tree & Garden Services are a local family run business with a wealth of experience in our trade. We always strive for 100% customer satisfaction and and pride ourselves on the quality of our work. Some of the services we offer are All types of trees pruned,shaped or removed Hedges trimmed and shaped Turfing Drainage Patios & paths Fencing Decking Gravel driveways and pathways

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Reviewed by Philip on 20/2/2025

Communication quick and straightforward. Visit and quote immediate and work carried out to a high standard within four days. Would use again. P & N Morrison Rizza’s Icecream

We are a small team of 12 covering all trades. We have been running for 7 years and slowly getting bigger. We are interested in giving free advise and a free quote to any project large or small. Fully Insured and Qualified team for all aspects. building projects Lenny

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Reviewed by Tricia on 8/5/2025

NOT to be trusted . Turned up measured up over 2 months ago . Requested £300 to cover the cost of the UVPC pillars saying they would be back a week later. Said the materials weren’t in and would be in touch . Lots of txts etc trying to progress but no progress. Now trying to get my money back but not responding to calls messages or e mails. Need removing from this site .

All Aspects, is a Damp, insulation and Timber repairs company, specialising in the repairs of all buildings. Although we are new to Rated People, we have been established for many years within the industry and are considered to be experts within the field

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Reviewed by stuart on 19/7/2024

Fast and Efficient. Good friendly service. Fixed toilet plumbing issues (leak)with no fuss. Would recommend for similar jobs.

Hello! my name is Marian Baciu and I am at your disposal. I have been a painter for more than 7 years. Qualification Level 3 Painting and Decorating

First Residential Roofing Reliable, Honest, and Affordable Roofing Solutions As a third-generation roofer with 38 years of hands-on experience, I’ve been trained the old-school way by my father and uncles. At First Residential Roofing, every project is completed to the highest standard at very reasonable rates. We take pride in delivering reliable, honest service that you can trust.

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Reviewed by Gwen on 21/1/2025

Honest and efficient. Patrick was friendly and able to quickly fix the problem

All aspects of electrical work undertaken fully qualified professional service with 20 years experience.

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Reviewed by Caroline on 20/12/2024

Really quick to respond, turned up as planned & the work carried out was excellent

A family owned business with real morals and respect

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Reviewed by Sylvia on 30/1/2025

We thank Hp Roofing for their prompt reaction to repairing our roof at a time of great demand.

Top Tier is a small family run business with years of experience in all aspects of roofing and property maintenance with a passion for perfection on all jobs, no matter how big or small.

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Reviewed by GRAHAM on 30/11/2024

Easy to do business with. Job quality was very good and the quote was highly competitive. James was generally very responsive to messages to deal with any issues that arose. There were very few of these and were dealt with quickly. Strongly recommend.

Carpentry, home repairs, painting and decorating - mostly interior work. But also repairing and repointing. Works alone but can get a team for bigger jobs. Big and small jobs. Serving mainly West and North West London. Over 10 years of experience.

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Reviewed by moshe on 5/4/2025

Fast and efficient service.

For plumbers you can trust, (HAZEE PlUMBING) We are a family run business that offers a complete range of services for all your domestic maintenance requirements which include heating, plumbing-repairs, and blockages. We aim to provide a competent and reliable service that exceeds our competitors, in both price and service. We offer free advice and quotations, including technical information and advise customers on the most appropriate course of action, including details of any appliances or systems we plan to install. We can offer a complete property maintenance service with both private clients,Landlords and tenants with over 15 years’ experience in the industry.

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Reviewed by Andrea on 15/4/2025

Quick response, job done perfectly, what more could you ask for. Thanks a mil, recommend gladly.

Builder and maintenance contractor with over 30years experience in general building and roof, chimney repairs, leaking roofs and general repairs , any building works considered, we have repaired buildings of all ages and built walls Ect, any maintenance issues fixed and all work insured and guaranteed, also a roof washing system where we was repoint and seal with a waterproof coating, Loft insulation and damp proofing

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Reviewed by Rachel on 4/10/2024

Did a great job ask him back twice to do other jobs.Trustworthy professional and competent

Hallmark Kitchen and Bathrooms use NICEIC approved electricians Part P &17 Edition Qualified and use gas safe heating engineers. We do the work from start to finish or part fit inclusive of tiling, plastering, carpentry and rubbish disposal. OAP discounts

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Reviewed by Pat on 18/5/2025

A good solid floor fitted to our conservatory with extra damp proofing added to solve a previous issue. Would definitely use again.

The best in the business

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Reviewed by Richard on 2/2/2025

I hired Jack for interior painting. Jack is diligent and knowledgeable and did an excellent job for me. He prepared the walls and paintwork thoroughly, gave advice on paint finishes, and used quality paints. He left the house clean and tidy. I would not hesitate to recommend him to any Rated People user.

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