Extensions including garage conversions will often require extra damp proofing to be installed as part of conversion, as the pre-existing garage routinely has a single skin design for walls and floors, which was not manufactured to be in accordance with building regulations for habitable rooms. This damp proofing will have to be put into walls and floors. Furthermore, the roofing of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will most likely be performed by employing a damp proof membrane. This membrane can come in either solid or liquid form. The damp proof membrane will be put down either on top of the existing concrete floor, below the new floor, or as part of both, depending on if the floor will be a solid or a floating floor. In a few garages, the walls have been damp proofed, but this might have to be improved as part of the conversion in order to adhere to current building regulations. The walls will need to be damp proofed in order to safeguard the brickwork from rotting slowly as moisture sets in. This can be accomplished by either implementing 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 will need to comply with, therefore is it necessary to make sure that your garage conversion makes use of 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
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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The town of Leigh can be found in the Metropolitan Borough of Wigan in Greater Manchester and holds a population of just over 43,000. The town is positioned on low lying land north west of Chat Moss in England's North West. There are actually in excess of 18,000 houses in Leigh and when you're looking for home enhancement work, you'll want to compare quotations from vetted tradesmen in the region to guarantee the best price as well as a high quality finish.
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
St. Helens - WA10
Enquiry from: David J
Start Date: Immediate
The wall in living room is wet or damp, I don,t know what's causing the problem!
Warrington - WA3
Enquiry from: John D
Start Date: Immediate
Small downstairs toilet needs tanking
Bury - BL8
Enquiry from: Adam J
Start Date: Immediate
Damp proofing around the house I think ………… need a quote
Warrington - WA4
Enquiry from: Janet W
Start Date: Immediate
I have a damp and marked gable wall which has been like this for 20+ years. (address removed) is 100 years old and I think the problem is there isn't the damp proofing etc you'd get with a new outside
Manchester - M27
Enquiry from: Catherine C
Start Date: Immediate
Check damp in kitchen walls - possible rising damp
Bury - BL0
Enquiry from: Carl R
Start Date: Immediate
We have a storage cellar that is damp that we would like sorting, and also some damp on the shop floor caused by an external pipe and some broken masonry. We have had a survey done which I can provide
Manchester - M44
Enquiry from: Mel H
Start Date: Immediate
Damp turned into black in my daughter’s. Bedroom in the corner of the ceiling demi detached house and is on the external wall
Manchester - M41
Enquiry from: James H
Start Date: Immediate
Floorboards at one end of living room have wet corners after rain - something under floor potentially letting water in / trapping condensation or similar. Would like an investigation and quote for fix
Manchester - M27
Enquiry from: Chun F
Start Date: Immediate
We have observed damp on the wall adjoining the exterior wall, as well as in the living room and porch areas. We would be grateful if you could provide us with a quotation for inspection and repair
Heywood - OL10
Enquiry from: Billy P
Start Date: Immediate
Our Scout Hut is damp, and the cellar flood sometimes. We have the opportunity to put a grant in to fix this. The deadline to put the grant application in is 19/09/2025 We have to submit a quote with
Wigan - WN5
Enquiry from: Derek P
Start Date: Immediate
My daughter bought a bungalow 18 months ago as has been experiencing a strong smell of mould ever since we have had a flat roof replaced 12 months ago thinking it was that but the smell is still there
Bury - BL0
Enquiry from: Edward B
Start Date: Immediate
We've just come home from some time away and have noticed three signs of damp: - bumpy external wall in downstairs toilet - wet carpet on bottom step of hallway - patch of white mould along the ski
Manchester - M45
Enquiry from: Murtaza J
Start Date: Immediate
Damp survey. Selling home and want a survey to make sure all ok - please advise of cost for a report to provide to the buyer
Runcorn - WA7
Enquiry from: Rosemary J
Start Date: Immediate
We are hoping to buy a terraced house and the dpc has failed. How much please for 2 reception and kitchen
Bolton - BL4
Enquiry from: Stephanie W
Start Date: Immediate
Can you please do a free quote for the landlord as there is damp in the house especially in the downstairs walls
Prescot - L34
Enquiry from: Michael B
Start Date: Immediate
Survey report came back saying moderate levels of damp at lower levels and higher in the corners. Outside block paving is to high and goes all round the house. ( double fronted semi )
Leigh - WN7
Enquiry from: Lorin M
Start Date: Immediate
Good morning, I am not sure this is the right section for my need, I have kitchen extension at the back of the house (terraced house) made of single skin walls and have been advised that the ground
Leigh - WN7
Enquiry from: James F
Start Date: Immediate
I’m in the process of purchasing a property, and my survey has flagged potential damp, timber and steal beam issues, particularly affecting the subfloor. I’m looking for a specialist to assess the
Warrington - WA2
Enquiry from: Susan R
Start Date: Immediate
Darwen - BB3
Enquiry from: Christopher J
Start Date: Immediate
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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!
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.
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.
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