Extensions including garage conversions will typically require additional damp proofing to be added as part of conversion, as the 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 have to be put into walls and floors. In addition, the roof of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will usually 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 if the floor will be a solid or a floating floor. In a few garages, the walls have been damp proofed, but this might need to be updated as part of the conversion in order to meet current building regulations. The walls should be damp proofed in order to safeguard the brickwork from rotting gradually as moisture sets in. This is carried out by either employing damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already in the garage. Damp proofing is an important part of the building regulations that the garage conversion should comply with, and so is it vital to ensure that your garage conversion makes use of 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
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£1900
£1425
£950
£475
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Requests for quotations in Ballindalloch in May 2026
Requests for Damp proofing quotations in Ballindalloch in May 2026. 0% change from April 2026.
Requests for Damp proofing quotations in Banffshire in May 2026. 0% change from April 2026.
Ballindalloch - AB37
Enquiry from: J
Start Date: Immediate
woodworm treatment on some roof joists & some floorboards in a 110-year old, 3 bedroom farmhouse in Braes of Glenlivet - wanted to get a rough idea of the cost
Ballindalloch - AB37
Enquiry from: Shona D
Start Date: Immediate
Home Owner Determine whether there is dry rot in the sitting room area and front hallway and remove if required Call To Appoint *
Grantown-on-Spey - PH26
Enquiry from: Paula M
Start Date: Immediate
hi we would like a quote for a damp issue and costs for repair as soon as possible. are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type:...
Aberlour - AB38
Enquiry from: Jim G
Start Date: Immediate
I own a flat at 206c High Street Elgin where there is an outbreak of dry rot. I am looking for the area to be treated for this problem.
Aberlour - AB38
Enquiry from: Andrew J
Start Date: Immediate
To remove white mould that has form in the loft space Are you the property owner: Owner of the property How many rooms do you need damp proofing: 1-2 Rooms Property Type: Terrace Time scale: Less than...
Aberlour - AB38
Enquiry from: Joanna M
Start Date: 1 to 3 months
Home report noted some damp to the back bedroom and below the back door. I need a survey of these issues and a quote on what any repairs would likely take. Are you the property owner: Owner of t...
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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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