Extensions such as garage conversions will often require supplementary damp proofing to be added during the conversion, as the pre-existing garage will often have a single skin design for walls and floors, which was not manufactured to be in accordance with building regulations for habitable rooms. This damp proofing will have to be added to walls and floors. Furthermore, the roofing of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will usually be achieved 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 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 already been damp proofed, but this might 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 slowly as moisture sets in. This is accomplished by either applying 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 will need to comply with, and so is it important to ensure that your garage conversion makes use of 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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The Hive Efficiency Group supply and install a range of products to both residential and commercial properties, designed to assist in making them more energy efficient and maintenance free for many years to come. From thermally effiecient wall c...
all good
Malvern - WR14
Enquiry from: Cheryl J
Start Date: Immediate
(address removed) damp proofing, maybe rot
Leominster - HR6
Enquiry from: Tom F
Start Date: Immediate
Hi there, We are looking for a company that supports with Wood Worm or some sort of wood eating insect. A surveyor told us it was Termites which is unlikely - does your company support in this type of
Ludlow - SY8
Enquiry from: Peter H
Start Date: Immediate
Wet under the bungalow floor on the timber
Malvern - WR14
Enquiry from: Olivia S
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Damp issues on left hand walls mainly likely in part due to failed rendering. Plaster crumbling on some internal walls. Black mould on second floor We are hoping someone can come and assess/quote ple
Hereford - HR3
Enquiry from: Hannah N
Start Date: Immediate
I recently had a survey for a house purchase in Hay-on-Wye which mentions some rising dampness in some of the walls, recommending a pressure injected damp proof course in them. Would it be possible t
Bromyard - HR7
Enquiry from: Dave R
Start Date: Immediate
Attend to damp kitchen wall
Malvern - WR14
Enquiry from: Min O
Start Date: Immediate
Damp on walls needs looking at and provide quote for repair
Property: terrace
Malvern - WR14
Enquiry from: Mo B
Start Date: Immediate
Only available for quotation during week of 11-17 May as I have not yet moved into the house
Ledbury - HR8
Enquiry from: Roz J
Start Date: Immediate
I am within 3 weeks of moving, the buyer of this bungalow has now requested that a very small area of the converted garage be checked as the surveyor suggests it could have some damp. The said room ha
Worcester - WR2
Enquiry from: Belinda A
Start Date: Immediate
Property: terrace
Worcester - WR5
Enquiry from: Sahil A
Start Date: Immediate
Damp proofing in basement room. water ingress from concrete floor in parts of the room and it’s slowly rising
Property: terrace
Worcester - WR5
Enquiry from: Rebecca H
Start Date: Immediate
I believe the masonry has some damage / brickwork has worn over time and causing inside damp to the interior walls of our living room. Eager to get resolved asap as paintwork is damaged
Ludlow - SY8
Enquiry from: Maxine W
Start Date: Immediate
Hi, do you carry out inspections at home with a view to quoting for damp solutions? We have an issue in our living room and we’re not sure if the cause and solution
Tenbury Wells - WR15
Enquiry from: Alan B
Start Date: Immediate
There is water penetration along the front elevation of the house, possibly caused by lack of a DPM, or failure of the existing DPM. It doesnt appear that any damp proofing work has been done historic
Malvern - WR14
Enquiry from: Victoria B
Start Date: Immediate
We have a problem with Rising damp in our lounge
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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!
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.
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