Extensions including garage conversions will usually require additional damp proofing to be installed through the conversion, as the existing garage normally has a single skin design for walls and floors, which was not built to conform to building regulations for habitable rooms. This damp proofing should be added to walls and floors. Furthermore, the roofing of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will usually be performed by by using a damp proof membrane. This membrane is available in either solid or liquid form. The damp proof membrane will be put down either on top of the pre-existing concrete floor, underneath 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 will have already been damp proofed, but this may have to be improved as part of the conversion in order to meet current building regulations. The walls should be damp proofed to be able to safeguard the brickwork from rotting gradually as moisture sets in. This is carried out by either applying 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 should comply with, therefore is it important 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 Aberdeenshire in May 2026
Requests for Damp proofing quotations in Aberdeenshire in May 2026. 0% change from April 2026.
Requests for Damp proofing quotations in Scotland in May 2026. 0% change from April 2026.
Peterhead - AB42
Enquiry from: Jackie P
Start Date: Immediate
farmhouse with damp in lower floor plus 1 room on upper floor are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: detached please call...
Aberdeen - AB23
Enquiry from: Sam O
Start Date: Immediate
Damp ceiling needs to be sorted out
Inverurie - AB51
Enquiry from: Ellen F
Start Date: Immediate
Damp in bedroom corner - gradually creeping up resulting in plaster falling off walls
Insch - AB52
Enquiry from: Sandra T
Start Date: Immediate
drive way is not straight so water runs under damp proof course in to the outside of house small damp patch in room inside
Peterhead - AB42
Enquiry from: Kimberley R
Start Date: Immediate
Good evening, I am in the process of buying the above property. Initially, I need a damp proof inspection survey. Once the property sale completes we need to have the work completed.
Aberdeen - AB25
Enquiry from: Scott S
Start Date: Immediate
Bathroom ventilation needs some sort of extractor
Insch - AB52
Enquiry from: Fiona B
Start Date: Immediate
granite building, repointed previously. black patches appear on walls high up are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: detac...
Aberdeen - AB10
Enquiry from: Matthias K
Start Date: Immediate
There are no signs of damp in the flat but a home report indicated three positions that show damp. We would like to check this and discuss price and options to address this.
Aberdeen - AB21
Enquiry from: Dorian W
Start Date: Immediate
Garage needs damp proofing. Walls and floor.
Aberdeen - AB15
Enquiry from: Jen B
Start Date: Immediate
Interested in getting a quote. We had damp / mould / condensations issues in our entrance stairwell (we are in a double upper flat). There were issues with the roof which we had fixed this week. Now t...
Aberdeen - AB16
Enquiry from: Rhianne S
Start Date: Immediate
Basement waterproofing
Aberdeen - AB21
Enquiry from: Hamza E
Start Date: Immediate
Survey on bedroom 1 and 2, as the house report suggests bringing in a specialist to have a look due to high damp readings.
Aberdeen - AB24
Enquiry from: Oliver M
Start Date: Immediate
Repair damping in the main door internal wall frames and the bedroom's wall next to the ceiling.
Peterhead - AB42
Enquiry from: Lee D
Start Date: Immediate
I think I have a condensation problem only happens in winter months damp above bedroom windows and ceiling
Aberdeen - AB15
Enquiry from: Jaye C
Start Date: Immediate
Hi there, We have a damp patch on one of our walls and would like to find out why it is there and also get a quotation for remedial work. Many thanks, Jaye
Aberdeen - AB15
Enquiry from: Finn B
Start Date: Immediate
Hello, There is a small patch of damp in the upstairs office I am looking to get a quote for remediation of
Peterhead - AB42
Enquiry from: Siama Q
Start Date: Immediate
damp leaking in to spots in the house are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: detached please call to appoint
Aberdeen - AB25
Enquiry from: Janice M
Start Date: Immediate
There appears to be at my front door a damp wall, small area but there is also damp I think abouve the door either coming from upstairs flat or the roof
Aberdeen - AB12
Enquiry from: Hazel G
Start Date: Immediate
in the bedroom we have condensation on our bedroom window and moved the chest of drawers and bed and the skirting boards are black and the floor was wet. are you the property owner: relative of owner...
Aberdeen - AB25
Enquiry from: Julia H
Start Date: Immediate
I think my house may need Damp proof course on the front of the property.
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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.
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!
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.
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