Extensions including garage conversions will often require extra damp proofing to be added during the conversion, as the pre-existing garage will typically have a single skin design for walls and floors, which was not built to conform to building regulations for habitable rooms. This damp proofing will need to be added to walls and floors. Moreover, the roofing of the garage conversion will need water proofing. The damp proofing of the floor of the garage conversion will usually be achieved by using a damp proof membrane. This membrane can come in either solid or liquid form. The damp proof membrane will be put down either on top of the pre-existing concrete floor, below the new floor, or as part of both, depending on if the floor will be a solid or a floating floor. In a few garages, the walls have already been damp proofed, but this may have to be updated as part of the conversion in order to comply with current building regulations. The walls should be damp proofed to be able to protect the brickwork from rotting slowly as moisture sets in. This is carried out by either using damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is an important part of the building regulations that the garage conversion will need to adhere to, and so is it vital to ensure that your garage conversion employs suitable damp proofing methods.
The average cost of Damp proofing is £1500. Costs vary based upon the materials and the organisation selected. The upper price range can be as high as £1725. The material costs are in general about £375
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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Hello and welcome to my page. We are a Family run building business with over 20 years in the building industry. We offer a verity of services this includes: Damp proofing specialists, Bricklaying Landscaping Groundwork’s/ drainage Roof repairs Poi...
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Glastonbury - BA6
Enquiry from: Leesa M
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Rising damp on walls. plaster falling off
Radstock - BA3
Enquiry from: Thomas Y
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A survery has identified widespread damp at ground-floor level and concerns that the existing damp-proof course may not be operating effectively. There are also indications of possible ongoing moistur
Wincanton - BA9
Enquiry from: Cath C
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Would like someone to carry out a damp survey on the house. please could you provide me with some idea of the process and costs to carry this out?
Radstock - BA3
Enquiry from: Holly S
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We have a damp area on an exterior wall in the kitchen and also an interior wall
Radstock - BA3
Enquiry from: Huw B
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Gable end wall has damp issues
Glastonbury - BA6
Enquiry from: Joan R
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Damp in kitchen of victorian house
Radstock - BA3
Enquiry from: Jess B
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We have a damp wall in a residents bathroom. We’ve have had a plumber come out as we believe it might have been pipe work but it’s not. We aren’t sure what the issue is, but believe it could be
Bruton - BA10
Enquiry from: Caroline B
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Damp in corner of living room
Shepton Mallet - BA4
Enquiry from: Karl S
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We have two walls, both sides have raising damp. We then have a down stairs bedroom 3 walls have raising damp, also need some areas plastered. Can send photos if easier need a quote to last 3-6 months
Wells - BA5
Enquiry from: Paul J
Start Date: Immediate
A grade 2 listed building. We have significant water ingress in two areas at the rear of the house. We need a solution that is sympathetic to the character of the property
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You should make sure that all signs of damp have gone before you redecorate your walls. If you want to paint your walls with a water-permeable emulsion paint, you can usually do this after 1 or 2 months. For other types of decoration you should wait longer.
There are a few visible signs of damp, although it often goes undetected. However, in older or empty properties, this made become detectable through its smell. These include peeling paint and wallpaper, crumbling plaster, mould growth, black spots or spores on walls and ceilings, and rotting skirting boards and flooring.
Signs of rising damp tend to be close to the ground, usually no higher than a metre. It usually works its way up walls in horizontal lines. Penetrating damp usually develops in patches and can often be much higher up. For more advice, speak to a damp proofing professional.
Damp is a serious problem, particularly if you live in an old property, because it can lead to structural damage. This will cost you big money and could be very dangerous, to yourself and the property. Take damp seriously and get it inspected and resolved as soon as you discover it!
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