Extensions including garage conversions will usually require supplementary damp proofing to be installed as part of conversion, as the existing garage will typically have a single skin design for walls and floors, which was not manufactured to conform to building regulations for habitable rooms. This damp proofing will need to be put into walls and floors. Moreover, the roof of the garage conversion will require water proofing. The damp proofing of the floor of the garage conversion will most likely be achieved by by using 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, 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 have been damp proofed, but this might need to be updated as part of the conversion to be able to meet current building regulations. The walls should be damp proofed in order to safeguard the brickwork from rotting slowly as moisture sets in. This is performed by either utilising 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 adhere to, and so is it vital 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 Cornwall in October 2024
Requests for Damp proofing quotations in Cornwall 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...
Knowledgable about the problem.
Redruth - TR16
Enquiry from: Chris H
Start Date: Immediate
Small area of wall, rising damp in solid wall
Helston - TR13
Enquiry from: Caroline C
Start Date: Immediate
I NEED TO get a rising damp problem done as soon as possible please i had a builder look today definately needs doing . front wall back wall inside .my mobile 778577xxxx Please can you do as soon as...
St. Austell - PL25
Enquiry from: Veronica D
Start Date: Immediate
Rising damp issues in my 3 bed semi-detached house
Helston - TR13
Enquiry from: Harriet K
Start Date: Immediate
damp survey required for old property that is showing signs of damp
Bude - EX23
Enquiry from: Jean C
Start Date: Immediate
Appear to have rising damp only on one kitchen wall. Would like to know my options and estimates please
St. Austell - PL25
Enquiry from: Chrissie H
Start Date: Immediate
We would be keen on a survey to determine the issues by an expert. We are looking to implement some upgrades to the property for patients and staff in time. Thanks
Penzance - TR18
Enquiry from: Dare M
Start Date: Immediate
probably need new damp course in dining room
St. Ives - TR26
Enquiry from: Kerry P
Start Date: Immediate
Internal wall has rising damp I think
St. Ives - TR26
Enquiry from: Alistair P
Start Date: Immediate
Looking for a quote for remedial work to resolve an issue of damp (rising damp)
St. Austell - PL25
Enquiry from: Stephen W
Start Date: Immediate
Need damp survey of recently purchased house. House survey highlighted minor issues with damp on internal wall (concrete block on concrete base) & corner of Living Room to external. Would like rest of...
St. Austell - PL25
Enquiry from: Stephen W
Start Date: Immediate
Survey of house highlighted Damp on internal wall (Block on concrete base) and corner of Living Room. Living room damp was possibly due to soil above DPC , also discovered drain by corner is blocked s...
Bude - EX23
Enquiry from: Helena W
Start Date: Immediate
Renovation from guest house to family home plus few apartments. Want the whole house damp treated
Torpoint - PL10
Enquiry from: Perry C
Start Date: Immediate
solving damp, flaky plaster on old walls ground floor
Helston - TR13
Enquiry from: Greg W
Start Date: Immediate
Not sure what needs to be done but have damp area on one side of gable end wall.
Penzance - TR18
Enquiry from: Annie J
Start Date: Immediate
I want a quote for the cost of damp proofing for a house I am buying. Damp found near chimney stack and on ground floor
Helston - TR13
Enquiry from: Peter C
Start Date: Immediate
House was re-developed in 2003. I purchased the house in 2007. In 2012 I had a Engineered Wooden Floor laid. In the last few years the end edges of the planks have started to go darker which I interpr...
Camborne - TR14
Enquiry from: Monica P
Start Date: Immediate
noticed dampness on the ceiling in one of the bedroom. please can you check and give me a free quote to sort this. thanks are you the property owner: owner of the property how many rooms do you need d...
Bodmin - PL30
Enquiry from: Kathleen H
Start Date: Immediate
Floor damp and rotten it was replac***ars ago and has gone again
St. Austell - PL25
Enquiry from: Joe M
Start Date: Immediate
rising damp on wall in middle wall of the house just on one side are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: semi detached ple...
Newquay - TR7
Enquiry from: Nicoli V
Start Date: Immediate
Front wall of house seems to have rising damp
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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!
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.
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