Extensions including garage conversions will usually require additional damp proofing to be added during the conversion, as the existing garage routinely 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 will need to be added to walls and floors. Furthermore, the roof of the garage conversion will require water proofing. The damp proofing of the floor of the garage conversion will in most cases be achieved 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, 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 might have to be updated as part of the conversion in order to comply with current building regulations. The walls should be damp proofed to be able to protect the brickwork from rotting gradually as moisture sets in. This can be carried out 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 will need to comply with, and so is it vital to ensure 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
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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£3000
£2250
£1500
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Requests for quotations in Cheltenham in January 2025
Requests for Damp proofing quotations in Cheltenham in January 2025. 0% change from December 2024.
Requests for Damp proofing quotations in Gloucestershire in January 2025. 0% change from December 2024.
Cheltenham or Cheltenham Spa, is a considerable town and borough on the side of the Cotswolds in Gloucestershire. The area hosts the famed Gold Cup steeplechase horse racing competition, which is held every March. Contrast estimates between Cheltenham businesses in your area to make sure of getting the best price for your home improvements project.
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...
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Cheltenham - GL54
Enquiry from: Sam G
Start Date: Immediate
Suspect rising damp through hallway.
Cheltenham - GL54
Enquiry from: Richard E
Start Date: Immediate
Damp across wall in one bedroom, as like to identify the cause.
Cheltenham - GL52
Enquiry from: Darran D
Start Date: Immediate
Damp course injection to 3 sides of house
Cheltenham - GL54
Enquiry from: Jessica W
Start Date: Immediate
house was built in 1890. the dining room is damp, floor tiles have lifted and marks on the walls. there don't seem to be problems with the rest of the house built at the same time but it may just not ...
Cheltenham - GL54
Enquiry from: ANITA L
Start Date: Immediate
We believe there is rising damp in the house particularly around the area of the lower back room.
Cheltenham - GL54
Enquiry from: Julia S
Start Date: Immediate
Investigate damp through a survey
Cheltenham - GL51
Enquiry from: Michelle J
Start Date: Immediate
A full two bed houes move
Cheltenham - GL54
Enquiry from: Carol J
Start Date: Immediate
quote to see if a damp problem. really musty smell and black areas around bottom of walls near front door. are you the property owner: owner of the property how many rooms do you need damp proofing: 1...
Cheltenham - GL52
Enquiry from: Rgh S
Start Date: Immediate
i have a number of raised vegetable beds and wish to line them with treated timber. i seek advice and costing for boards of varying lengths, 25ml thick and 200ml in height. are you the property owner...
Cheltenham - GL51
Enquiry from: Dan M
Start Date: Immediate
inspection of property please, to check the damp coming through at front of house are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: s...
Cheltenham - GL50
Enquiry from: Liam W
Start Date: Immediate
signs of rising damp in shown by shot plaster and discoloured wallpaper and paint. believe it will require retrospective damp proofing drilled in. are you the property owner: owner of the property how...
Cheltenham - GL54
Enquiry from: Katrina W
Start Date: Immediate
we have black & yellow mould on our walls & ceilings & would like some advice & possible quote for sorting the problem.
Cheltenham - GL50
Enquiry from: Nick B
Start Date: 1 to 3 months
Damp and mould up to about 1.5 feet from the floor, ground floor only. Are you the property owner: Owner of the property How many rooms do you need damp proofing: 1-2 Rooms Property Type: Semi detac...
Cheltenham - GL52
Enquiry from: Raghav S
Start Date: Immediate
Damp and mould clearance
Cheltenham - GL53
Enquiry from: Steve F
Start Date: 1 to 3 months
1. Check roof timbers - is any treatment needed? 2. Check for rot and woodworm in cellar 3. Advice on ventilation for cellar Are you the property owner: Owner of the property How many rooms do you...
Cheltenham - GL52
Enquiry from: Jordan C
Start Date: Immediate
Hi, we have a very large window in our flat, approx 4 metres in height. Over the winter they have become ridden with mould due to issues with the windows. It has also affected the rear of the curtains...
Cheltenham - GL52
Enquiry from: Joanna C
Start Date: Immediate
Inspection of ceiling, internal wall and floor of 1st floor room in house resulting from roof leak through house. Also other areas of suspected damp walls and reappearing mould patches around house. A...
Cheltenham - GL51
Enquiry from: Andrew D
Start Date: Immediate
I am concerned about some black mold spots around the windows of the upstairs of my house. Its visible in the bathroom and three bedrooms to varying degrees. It is around the double glazing window fra...
Cheltenham - GL52
Enquiry from: Frank W
Start Date: Immediate
Small end terrace in cheltenham Injection only dpc installation and backing coatrequired we will provide skim finish as the whole house is being re skimmed.
Cheltenham - GL50
Enquiry from: Rob B
Start Date: Immediate
Damp on internal walls. Would like a free quote before going ahead with the works due to a change in personal circumstances. Are you the property owner: Owner of the property How many rooms do you...
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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.
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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