Extensions including garage conversions will usually require extra damp proofing to be added through the conversion, as the pre-existing garage will typically have a single skin design for walls and floors, which was not designed to be in accordance with building regulations for habitable rooms. This damp proofing will have to be put into walls and floors. Additionally, 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 utilising a damp proof membrane. This membrane will come in either solid or liquid form. The damp proof membrane will be placed down either on top of the pre-existing concrete floor, underneath the new floor, or as part of both, depending on if the floor will be a solid or a floating floor. In some garages, the walls have been damp proofed, but this might have to be updated as part of the conversion to be able to adhere to current building regulations. The walls will need to be damp proofed to be able to safeguard the brickwork from rotting slowly as moisture sets in. This can be done by either employing damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already present in the garage. Damp proofing is an integral part of the building regulations that the garage conversion should comply with, and so is it vital to make sure 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
| 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 Scotland in May 2025
Requests for Damp proofing quotations in Scotland in May 2025. 0% change from April 2025.
Requests for Damp proofing quotations in United Kingdom in May 2025. 0% change from April 2025.
H & E Plastering cover all aspects of Plastering works domestic and commercial, we provide damp proofing and remedial works. Bradford based and covering all West Yorkshire. With over 10 years experience in Plastering and Damp Proofing , please...
He was very helpful throughout the process from starting to completion. I will definitely recommend him.
Aquapol are the only ones that have been in touch in
Coatbridge - ML5
Enquiry from: Debbie C
Start Date: Immediate
Damp survey Location of dampness Damp proofing
Dundee - DD4
Enquiry from: Sarah A
Start Date: Immediate
Damp on stone walls.of garage
Glasgow - G63
Enquiry from: Lee-anne D
Start Date: Immediate
Water penetration from roof/gutter causing dampness at side of patio door. Water penetration from roof causing dampness to side of dormer window in bedroom.
Nairn - IV12
Enquiry from: Wendy S
Start Date: Immediate
to assess if damp exists and if it does a quote to remedy it. are you the property owner: owner of the property how many rooms do you need damp proofing: 5+ rooms property type: detached please ...
Edinburgh - EH10
Enquiry from: Abbie F
Start Date: Immediate
I am looking for a quote to have a pre-purchase damp survey carried out in a ground floor one-bed flat with signs of damp and mould (2 on the home report). The closing date *** May, so hoping you can ...
Dalkeith - EH22
Enquiry from: Rebecca J
Start Date: Immediate
Installing a damp proof course.
Lanark - ML11
Enquiry from: Pamela T
Start Date: Immediate
carluke property, full house full of damp, every kind! big job!
Inverurie - AB51
Enquiry from: Ellen F
Start Date: Immediate
Damp in bedroom corner - gradually creeping up resulting in plaster falling off walls
Edinburgh - EH15
Enquiry from: Celia S
Start Date: Immediate
water damaged outside wall. treated but damp returning. need a report re the cause was initial treatment missed parts. hence its return. i need a report to then get the repair work approved & the ...
Montrose - DD10
Enquiry from: Mark T
Start Date: Immediate
Dampness in nearly every room of property two bedrooms at back is the worst I can email over some videos.
Isle of Bute - PA20
Enquiry from: Own S
Start Date: Immediate
good afternoon, please see the address below. ground floor a*** floor has some mould and damp issue. we need the mould treated and all repairs carried out. work required is internal only. we ca...
Girvan - KA26
Enquiry from: Liz W
Start Date: Immediate
damp in kitchen on outside wall and in conservatory wall are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: terrace please call to ap...
Glasgow - G66
Enquiry from: Jean C
Start Date: Immediate
Damp present in 2 bedrooms, master bedroom has wall next to window where the wall feels cold to the touch, second bedroom is the same situation as master. Need to investigate where dampness is coming ...
Moffat - DG10
Enquiry from: Maxine T
Start Date: Immediate
Damp proofing issue in the kitchen. Looking for an assessment of the issue and a quote to repair it. Thanks.
Forres - IV36
Enquiry from: Howard E
Start Date: Immediate
The house is a 3 bedroom bungalow with one bedroom with a ensuite upstairs. We have just had our offer accepted subjected it to a timber and damp survey. We are wanting to get the survey completed ...
Brechin - DD9
Enquiry from: Craig L
Start Date: Immediate
tanking of cellar required 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
Inverness - IV2
Enquiry from: Atholl F
Start Date: Immediate
I have a strong smell of dampness in a closer that goes into an outside wall, also it looks to be damp on the chipboard floor in areas close to the wall. Definitely need the source of the damp located...
Bonnyrigg - EH19
Enquiry from: Liberty S
Start Date: Immediate
I’ve had a 3 on my home report due to their being damp in the attic and I need this sorted asap as I need the home report redone due to buying a new build that is currently at stake
Edinburgh - EH48
Enquiry from: Steven S
Start Date: Immediate
We have some penetrating damp in an upstairs bedroom where the gutter meets the bedroom wall. We need it assessed and fixed.
Edinburgh - EH7
Enquiry from: Victoria N
Start Date: Immediate
My tenant on Carlton terrace has found a small patch of damp. I’m looking for a survey please. Is it free to do the survey?
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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.
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.
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