Extensions such as garage conversions will often require supplementary damp proofing to be added during the conversion, as the pre-existing garage typically has a single skin design for walls and floors, which was not designed to comply with building regulations for habitable rooms. This damp proofing will need to be added to walls and floors. Additionally, the roofing of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will often be performed by by using a damp proof membrane. This membrane is available in either solid or liquid form. The damp proof membrane will be placed down either on top of the pre-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 will have already been damp proofed, but this may need to be improved as part of the conversion to be able to comply with current building regulations. The walls will need to be damp proofed to be able to safeguard the brickwork from rotting slowly as moisture sets in. This is done by either employing damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already present in the garage. Damp proofing is an integral part of the building regulations that the garage conversion should comply with, and so is it necessary to ensure 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
| Avg. price low | Avg. price low |
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| 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 Dorset in October 2024
Requests for Damp proofing quotations in Dorset 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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Bournemouth - BH7
Enquiry from: Ceri B
Start Date: Immediate
Damp walls mainly in the lounge area
Bournemouth - BH9
Enquiry from: Samantha B
Start Date: Immediate
new DPC needed previous survey done shows 60% damp to front and one side of the house. looking for quote for DPC repair ? chemical and air brick cover to help with bridging due to previous owner tarma...
Bournemouth - BH9
Enquiry from: Kate G
Start Date: Immediate
we have mould and damp patches and i dont think we have a damp proof course ! please only email as i am getting a lot of spam and am not picking up to numbers i dont know are you the property owner: o...
Bournemouth - BH9
Enquiry from: Kate G
Start Date: Immediate
we have mould and damp patches and i dont think we have a damp proof course ! please only email as i am getting a lot of spam and am not picking up to numbers i dont know are you the property owner: o...
Bournemouth - BH9
Enquiry from: Kate G
Start Date: Immediate
we have mould and damp patches and i dont think we have a damp proof course ! please only email as i am getting a lot of spam and am not picking up to numbers i dont know are you the property owner: o...
Weymouth - DT4
Enquiry from: Judy A
Start Date: Immediate
Can you please visit and advise me
Bridport - DT6
Enquiry from: Janice B
Start Date: Immediate
? isssue with penetrating damp on gable end of bungalow. are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: detached please call to a...
Dorchester - DT2
Enquiry from: Derek A
Start Date: Immediate
2 walls- 2 sections of damp proofing required are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: detached please call to appoint
Weymouth - DT4
Enquiry from: Hazel C
Start Date: Immediate
i have damp in the lower and upper interior walls. are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: terrace please call to appoint
Bridport - DT6
Enquiry from: Tim A
Start Date: Immediate
We have a couple of place where we have damp spots half way up walls. Can you advise on what to do. My hunch is that pipes in the walls are causing condensation in this places
Lyme Regis - DT7
Enquiry from: Graham K
Start Date: Immediate
Damp survey Damp on bedroom wall, condensation on windows
Poole - BH12
Enquiry from: Lidia G
Start Date: Immediate
Need a damp survey in a 2 bedroom flat damp showing on the out side( indoor walls )
Bournemouth - BH9
Enquiry from: Candice H
Start Date: Immediate
We need a survey to find out what has to be fixed... and how
Dorchester - DT1
Enquiry from: Ian H
Start Date: Immediate
Penetrating damp patches coming through lounge wall from outside wall
Ferndown - BH22
Enquiry from: Michael W
Start Date: Immediate
I would like a FREE INSPECTION of a little problem, a small area of damp in my bedroom.
Lyme Regis - DT7
Enquiry from: Rebecca M
Start Date: Immediate
Looking to get a damp survey for property we are purchasing. Signs of damp particularly at lower ground level.
Beaminster - DT8
Enquiry from: Tracy J
Start Date: Immediate
my tenants at above address,have an issue with damp on upto 3 walls in the living room of a 3rd floor flat. are you the property owner: owner of the property how many rooms do you need damp proofing: ...
Christchurch - BH23
Enquiry from: Claire M
Start Date: Immediate
damp in ground floor of listed building are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: detached please call to appoint
Bridport - DT6
Enquiry from: Garry C
Start Date: Immediate
We have some damp issues which need rectifying.
Christchurch - BH23
Enquiry from: Sabrina W
Start Date: Immediate
Hello, I called a while ago regarding a quote for 35 Garfield Avenue, Springbourne, Bournemouth, *** which was up for auction. It was established you would not be able to come out before the end of t...
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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.
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.
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.
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