Extensions such as garage conversions will typically require additional damp proofing to be added during the conversion, as the existing garage typically has 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 should 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 often 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, 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 will have already been damp proofed, but this may need 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 gradually as moisture sets in. This can be accomplished by either utilising damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is a part of the building regulations that the garage conversion should adhere to, therefore is it important to make sure that your garage conversion incorporates 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 |
Requests for quotations in Avon in October 2024
Requests for Damp proofing quotations in Avon in October 2024. 0% change from September 2024.
Requests for Damp proofing quotations in South West in October 2024. 0% change from September 2024.
Hello and welcome to my page. We are a Family run building business with over 20 years in the building industry. We offer a verity of services this includes: Damp proofing specialists, Bricklaying Landscaping Groundwork’s/ drainage Roof repairs Poi...
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Bristol - BS32
Enquiry from: Kathryn T
Start Date: Immediate
Free no obligation damp survey We have a wet patch appear on internal walls around the main chimney stack.
Bristol - BS16
Enquiry from: Stefan M
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Hi - have noticed a small (ish) damp area near the back door of our house. Not really sure what's required so a survey as soon as possible would be great. Cheers!
Weston-Super-Mare - BS23
Enquiry from: ALAN P
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Damp and mould around windows on outer walls
Bristol - BS34
Enquiry from: Neil B
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It would appear I have an issue with mould. Can you please call on the number above to discuss. Do you do free surveys?
Weston-Super-Mare - BS23
Enquiry from: Carolyn A
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Main concrete steps leading up to front door are letting water into the basement flat that is below them.
Bristol - BS37
Enquiry from: Nathan S
Start Date: Immediate
we have a damp patch in the middle of a bedroom wall but it backs onto our neighbours bathroom( which is where i think it's coming from) i just need to be sure first are you the property owner: owner ...
Bristol - BS11
Enquiry from: Vijith M
Start Date: Immediate
Damp proofing, clear the walls
Bath - BA2
Enquiry from: Florence F
Start Date: Immediate
I'm looking to get a damp survey done asap as we have penetrating damp (I think) in one of the downstairs rooms. Can you advise how quickly this can be done and the costs involved?
Weston-Super-Mare - BS23
Enquiry from: Pamela J
Start Date: Immediate
Leaking pipes under concrete floors have caused a lot of damp
Bristol - BS16
Enquiry from: Fredrik J
Start Date: Immediate
Hi, We are getting cavity wall insulation through our energy provider. They have said that we need a qualified person to tell us if or not we have a damp proofing course in our pebbeldash wall. We a...
Bath - BA1
Enquiry from: Natalie B
Start Date: Immediate
Vault inspection/survey on previously tanked vault
Weston-Super-Mare - BS23
Enquiry from: Venu G
Start Date: Immediate
Timber and damp survey and advice on cost
Bristol - BS16
Enquiry from: Max K
Start Date: Immediate
Looking for a quote to sort the potential rising damp coming in from the external walls on multiple flats, please can someone visit and inspect the external walls of the block and flats and quote for ...
Bristol - BS7
Enquiry from: Glynthea M
Start Date: Immediate
Hi I have two rooms that have damp and need seeing to. But only have a limited period when this can be done and this is around mid June. If this date is OK, then I would like someone to give me a qu...
Weston-Super-Mare - BS23
Enquiry from: Ruth P
Start Date: Immediate
need to assertain mould & damp issues
Bristol - BS3
Enquiry from: Jessica S
Start Date: Immediate
Damp survey is required for a 2 bedroom house.
Bristol - BS15
Enquiry from: Julie R
Start Date: Immediate
Following leak in kitchen extensive damage to multiple layers of floor boards in top floor flat.
Weston-Super-Mare - BS23
Enquiry from: Caroline A
Start Date: Immediate
Hey there, we're looking for a quote for: - timber and damp report should for an underfloor storage void on the south west corner of the property and subsequent timber treatments and tanking/damp pro...
Bath - BA2
Enquiry from: Doug A
Start Date: Immediate
Damp survey to lower ground floor area and quote for any remedial works
Bristol - BS2
Enquiry from: Ann C
Start Date: Immediate
My house is a Victorian terrace without a damp proof course. It has rising damp along several walls. This has worsened during the past two wet winters.
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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.
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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