Extensions such as garage conversions will usually require additional damp proofing to be installed as part of conversion, as the existing garage normally has a single skin design for walls and floors, which was not designed to conform to building regulations for habitable rooms. This damp proofing should be added to walls and floors. Moreover, the roofing of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will often be achieved by employing a damp proof membrane. This membrane will come in either solid or liquid form. The damp proof membrane will be put 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 may need to be updated as part of the conversion in order to meet current building regulations. The walls will need to be damp proofed to be able to protect the brickwork from rotting gradually as moisture sets in. This can be 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 adhere to, therefore is it important to make sure that your garage conversion incorporates 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 St Austell in February 2025
Requests for Damp proofing quotations in St Austell in February 2025. 0% change from January 2025.
Requests for Damp proofing quotations in Cornwall in February 2025. 0% change from January 2025.
St. Austell - PL26
Enquiry from: Elizabeth B
Start Date: Immediate
Hi we have a tenant at this address with bad damp issues and wondered are you available to take a look and quote and works need doing. It could be that they are not using heating so more condensation ...
St. Austell - PL25
Enquiry from: Veronica D
Start Date: Immediate
Rising damp issues in my 3 bed semi-detached house
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
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...
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...
St. Austell - PL26
Enquiry from: Naomi C
Start Date: Immediate
Inspection of damp, mouldy corner inside old part of house.
St. Austell - PL26
Enquiry from: ERIC B
Start Date: Immediate
damp on gableend off house
St. Austell - PL25
Enquiry from: Joanne H
Start Date: Immediate
Carry out a full damp survery
St. Austell - PL25
Enquiry from: Samantha J
Start Date: Immediate
hello i am purchasing this property and had the surveyor report back. it said there are patches of damp in certain areas. i need to know before i continue with purchase what costs i am looking at to ...
St. Austell - PL26
Enquiry from: Chris C
Start Date: Immediate
i need a free damp servey please . then we can see where we can go from there please are you the property owner: tenant (with permission) how many rooms do you need damp proofing: 1-2 rooms property ...
St. Austell - PL25
Enquiry from: Clare H
Start Date: Immediate
Condensation issue on ceiling of room in an extension. Suspect damp forming on external tiles in cold weather is seeping through
St. Austell - PL25
Enquiry from: Dennis R
Start Date: Immediate
damp patch above skirting board are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms please call to appoint
St. Austell - PL26
Enquiry from: Megan B
Start Date: Immediate
Penetrating damp - patch developed recently in corvner of external walls - approx 24 by 24 inches in size - developed suddenly after a recent storm
St. Austell - PL25
Enquiry from: Dennis R
Start Date: Immediate
small amount of damp around skirting board are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms please call to appoint
St. Austell - PL25
Enquiry from: Gail D
Start Date: Immediate
Could I please have a free no obligation quote as I have damp patches on my bedroom wall. Are you the property owner: Owner of the property How many rooms do you need damp proofing: 1-2 Rooms Propert...
St. Austell - PL25
Enquiry from: A
Start Date: Immediate
Urgent survey needed please for damp-proofing.
St. Austell - PL26
Enquiry from: Carol L
Start Date: Immediate
Conservatory, small wall in main living room and in one bedroom
St. Austell - PL25
Enquiry from: Paul M
Start Date: 3+ months
Damp course needed also air bricks How many rooms do you need damp proofing: 3-4 Rooms Property Type: Semi detached Time scale: 3-6 months Are you the property owner: Owner of the property pleas...
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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.
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!
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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