Extensions such as garage conversions will usually require supplementary damp proofing to be installed as part of conversion, as the pre-existing garage will typically have a single skin design for walls and floors, which was not manufactured to comply with building regulations for habitable rooms. This damp proofing should be put into walls and floors. Moreover, the roof of the garage conversion will need water proofing. The damp proofing of the floor of the garage conversion will usually be achieved by by using a damp proof membrane. This membrane can come in either solid or liquid form. The damp proof membrane will be placed down either on top of the 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 have been damp proofed, but this might need to be updated as part of the conversion to be able to adhere to 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 accomplished by either making use of 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 should comply with, therefore is it vital to make sure that your garage conversion employs 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 |
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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£2600
£1950
£1300
£650
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Requests for quotations in Cheshire in January 2025
Requests for Damp proofing quotations in Cheshire in January 2025. 0% change from December 2024.
Requests for Damp proofing quotations in North West in January 2025. 0% change from December 2024.
We are a company that specialises in Damp Proofing & Insulation. We have a 100% success rate in resolving damp issues connected to any form of damp. We can also offer the latest solutions to condensation. We offer a FREE, NO OBLIGATION damp ...
please send me a copy of invoice with vat details
At Home Energy Save GB Ltd we are specialists in all fields of damp proofing and energy efficiency within the home. Whether your problem is loft condensation, rising damp, penetrating damp, black mould or simply heat loss then we can help. We sp...
Phone consultant was lovely and polite. Barry came out to review our home and was very professional, friendly and gave ...
Welcome to Heatseal Insulation Ltd We are National Loft insulation and Damp Proofing specialists covering most of the UK. Our objective is to provide an outstanding & reliable service to all our customers offering the latest technology to the Dome...
Good advice, clear understanding of the problem and solution
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
Warrington - WA2
Enquiry from: Susan R
Start Date: Immediate
lounge wall wall paper is flaking are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: terrace please call to appoint
Cheadle - SK8
Enquiry from: Italia C
Start Date: Immediate
I have a flat that has severe rising damp pretty much over the whole flat. We have been advised by a contractor that a specialist should take a look at it and advise as he believes damp proof inject...
Sale - M33
Enquiry from: Rebecca C
Start Date: Immediate
We have had a surveyors report done on this house which has been empty for a year. A few things came up that we need a specialist to look at
Warrington - WA3
Enquiry from: Greg B
Start Date: Immediate
can you please provide a quote for limited testing of that room as described below. testing at lower levels revealed areas with elevated moisture readings, with a wood moisture content of approximate...
Widnes - WA8
Enquiry from: Liam L
Start Date: Immediate
damp course need carrying out
Macclesfield - SK11
Enquiry from: Freddie B
Start Date: Immediate
Hi, I recently had a survey carried out by a member of the family and its come back with penetrating and rising damp. I'm hoping someone can look into this further and provide a quote to fix the issue...
Chester - CH3
Enquiry from: Matt H
Start Date: Immediate
Damp patches on interior walls
Widnes - WA8
Enquiry from: Becca W
Start Date: Immediate
DPC assessment and potential fitting of DPC in living toom
Macclesfield - SK10
Enquiry from: Ted F
Start Date: Immediate
damp inspection to front living room to one of our properties
Chester - CH3
Enquiry from: Dan C
Start Date: Immediate
Two joists with water damage under old bath
Widnes - WA8
Enquiry from: Pui L
Start Date: Immediate
I am now buying house of 3 Kennington Park, there are damp appear in a wall near the boiler, I would like to have a check before I proceed exchange contract See how much is the damp inspection? Tha...
Sale - M33
Enquiry from: Arthur C
Start Date: Immediate
i require a damp studded membrane for a small corner area 1mtr x500mm with 10 wall plugs if this is possible can you supply a price for me please . i live locally so can collect . regards arthur are y...
Stockport - SK7
Enquiry from: Nana Y
Start Date: Immediate
damp situation that needs resolving. urgent appoitment required. ***. thanks are you the property owner: tenant (with permission) how many rooms do you need damp proofing: 1-2 rooms property type: com...
Warrington - WA5
Enquiry from: Katie A
Start Date: Immediate
I have rising damp through most of the downstairs of my house
Stockport - SK6
Enquiry from: Alan J
Start Date: Immediate
internal damp evident behind kitchen units and around full height window. external brick facing burst off in a few areas. are you the property owner: owner of the property how many rooms do you need d...
Stockport - SK6
Enquiry from: Alan J
Start Date: Immediate
internal damp evident behind kitchen units and around full height window. external brick facing burst off in a few areas. are you the property owner: owner of the property how many rooms do you need d...
Macclesfield - SK11
Enquiry from: Andrew C
Start Date: Immediate
Damp investigation and treatment
Winsford - CW7
Enquiry from: Donna H
Start Date: Immediate
hi in the entry between our house and next door there is what seems to be damp patches on the brick flooring and we do not know where it has come from. we are currently doing renovations on our house ...
Sale - M33
Enquiry from: Patrick K
Start Date: Immediate
To install a complete D P C course in both downstairs rooms and we will require a certificate of conformity when the work is completed The house is empty at the moment
Stockport - SK5
Enquiry from: Helen A
Start Date: Immediate
Issues raised in survey. I am in the process of buying and looking for quotes following a survey. Access to the house can be gained via estate agent High damp meter readings were recorded in the re...
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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.
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!
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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