Extensions such as garage conversions will usually require additional damp proofing to be installed as part of conversion, as the existing garage normally has a single skin design for walls and floors, which was not designed to conform to building regulations for habitable rooms. This damp proofing should be added to walls and floors. Moreover, the roofing of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will often be achieved by employing a damp proof membrane. This membrane will 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 whether the floor will be a solid or a floating floor. In a few garages, the walls have been damp proofed, but this may need to be updated as part of the conversion in order to meet current building regulations. The walls will need to be damp proofed to be able to protect the brickwork from rotting gradually as moisture sets in. This can be accomplished by either making use of damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already in the garage. Damp proofing is an integral part of the building regulations that the garage conversion should adhere to, therefore is it important to make sure that your garage conversion incorporates appropriate 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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£1425
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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Wadebridge - PL27
Enquiry from: Christine J
Start Date: Immediate
A cottage in chapel street I’ve had a survey done and they’ve said there’s rising and penetrating damp . I would like to know how much it would be to fix this. Thanks
Wadebridge - PL27
Enquiry from: Erdin B
Start Date: Immediate
Full Damp work protection of the property, this may include installing a new Damp course, internal Render removal, Drying
Par - PL24
Enquiry from: Debbie E
Start Date: Immediate
Would like areas of damp checked in bungalow and a quote for any works reqired
Newquay - TR8
Enquiry from: Rory P
Start Date: Immediate
Damp survey and recommendations
St. Austell - PL26
Enquiry from: Elizabeth B
Start Date: Immediate
Hi we have a tenant at this address with bad damp issues and wondered are you available to take a look and quote and works need doing. It could be that they are not using heating so more condensation
Newquay - TR7
Enquiry from: Grzegorz G
Start Date: Immediate
Damp in the walls and wet walls
Bodmin - PL30
Enquiry from: Caroline B
Start Date: Immediate
One whole gable end of the pub has damp both downstairs and up. We would like this looked at so that it can be remedied. Please email for attn Darren/Caz
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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.
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.
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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