Extensions such as garage conversions will usually require extra damp proofing to be added as part of conversion, as the pre-existing garage typically has a single skin design for walls and floors, which was not built to comply with building regulations for habitable rooms. This damp proofing should be added to walls and floors. In addition, the roof of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will in most cases be achieved by using a damp proof membrane. This membrane can come 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 if 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 have to be updated as part of the conversion in order to adhere to current building regulations. The walls should be damp proofed to be able to protect the brickwork from rotting gradually as moisture sets in. This is performed by either implementing 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 comply with, and so is it vital to ensure that your garage conversion employs 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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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£1900
£1425
£950
£475
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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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
Middlesbrough - TS4
Enquiry from: Ahsan A
Start Date: Immediate
I have had an independent pre-purchase damp/timber inspection and have attached the report and treatment plan. Could you please quote for the specified remedial works, including DPC treatment, removal
Selby - YO8
Enquiry from: Donna D
Start Date: Immediate
Damp dowstairs . need a quote
Redcar - TS10
Enquiry from: David S
Start Date: Immediate
All in Damp Test & initial estimated quote to resolve in the main semi detached building and garage Report Needed to satisfy buyers
Redcar - TS10
Enquiry from: Thelma C
Start Date: Immediate
I have what i think is damp in my kitchen in several places. i need to know for sure & get a ballpark price for sorting it out
Property: semi detached
Hartlepool - TS25
Enquiry from: Debra P
Start Date: Immediate
They’re also signs of penetrating damp in the front bedrooms on the rear and side elevation. And also the rear landing. The looks to be could be a leak in the roof space but it was difficult to acce
York - YO62
Enquiry from: Chris M
Start Date: Immediate
Inspection to find what is causing water damage in vestibule at front of house and how to fix it
York - YO32
Enquiry from: Pauline T
Start Date: Immediate
3 areas of damp Please ring me to discuss your costs for survey and advise on best way forwards
Harrogate - HG2
Enquiry from: Paul A
Start Date: Immediate
I have a large damp patch in the kitchen. i would like someone to look at it and give their opinion as to the cause and remedy and likely cost
Property: terrace
Stockton-on-tees - TS16
Enquiry from: Lynsey E
Start Date: Immediate
Assessment of the ground floor flat for damp and mould concerns
Bedale, Hawes, Leyburn - DL8
Enquiry from: Caroline A
Start Date: Immediate
Diagnosis and suggested remedy for persistent damp in bedroom on gable end wall of cottage. Have tried various things over the years but it always comes back
Guisborough - TS14
Enquiry from: Susan W
Start Date: Immediate
York - YO41
Enquiry from: Keith D
Start Date: Immediate
We have had a survey completed on the property and it has brought up an issue of damp at the back of the property both inside and out. house is only 9 years old. need to try and understand what the is
Property: detached
Stockton-on-tees - TS18
Enquiry from: Rafia B
Start Date: Immediate
Living room and pantry under stairs
Middlesbrough - TS6
Enquiry from: Rebecca M
Start Date: Immediate
Hi, just wanting someone to have a look a the damp in the kitchen and front room and get a price for the work please?
Middlesbrough - TS7
Enquiry from: Angela L
Start Date: Immediate
House surveyor report has said the house has damp need a quote on how much it would be to se what the damage is and what we needed to be done to repair this kind regards
Hartlepool - TS26
Enquiry from: Edward J
Start Date: Immediate
Need help on this, damp wall in the downstairs toilet
Saltburn-by-the-Sea - TS13
Enquiry from: Ian N
Start Date: Immediate
Kitchen wall has damp in corner adjacent to utility room
Property: detached
Northallerton - DL6
Enquiry from: Elizabeth S
Start Date: Immediate
Damp proofing lounge and 1 kitchen wall in brick solid wall terrace. Must be PCA , CSRT or CSTDB registered and able to supply insurance backed guarantee
Selby - YO8
Enquiry from: Ian G
Start Date: Immediate
Damp damage in ground floor room
York - YO42
Enquiry from: Mike C
Start Date: Immediate
We have three areas of rising damp
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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!
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.
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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