Extensions such as garage conversions will typically require supplementary damp proofing to be added as part of conversion, as the existing garage will typically have a single skin design for walls and floors, which was not built to be in accordance with building regulations for habitable rooms. This damp proofing will have to 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 most likely be performed by employing a damp proof membrane. This membrane will come in either solid or liquid form. The damp proof membrane will be placed down either on top of the 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 already been damp proofed, but this might need to be updated as part of the conversion in order to comply with current building regulations. The walls will need to be damp proofed in order to protect the brickwork from rotting slowly as moisture sets in. This is done 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 adhere to, and so is it necessary to ensure 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
| Avg. price low | Avg. price low |
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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 |
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Northwich is a town in Cheshire, in the west of England nearing the Welsh border. The town has a 19,000 populace, with the borough extending to 56,000. The area continues to be taken advantage of for its salt pans since the Roman times and a £28 million project in 2004 was undergone to secure the mines. Northwich Council also are modernising most of the town and demolishing the old properties. For home enhancement projects you would like carried out in the Northwich region, employ only vetted professionals in order to guarantee a good finish at a great price.
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 ...
We are a company that specialises in Damp Proofing & Insulation. We have a 100% success rate in resolving damp issues connected to any form of damp. We can also offer the latest solutions to condensation. We offer a FREE, NO OBLIGATION damp ...
will be in touch once property has been purchased.
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
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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Sandbach - CW11
Enquiry from: Richard G
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I need my cavity wall checked incase it's a cause of damp. I've had two damp survey done that cover everything else but I need the wall checked
Chester - CH1
Enquiry from: Mark E
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I have some black mould developing in three bedrooms, I need to stop it coming back
Warrington - WA3
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Small downstairs toilet needs tanking
Crewe - CW1
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Warrington - WA4
Enquiry from: Janet W
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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
Middlewich - CW10
Enquiry from: Jack O
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Hi looking for a quote for someone to carry out a damp survey to understand the cause of damp and how much it will cost to rectify in a house I am in the process of buying
Manchester - M44
Enquiry from: Mel H
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Damp turned into black in my daughter’s. Bedroom in the corner of the ceiling demi detached house and is on the external wall
Runcorn - WA7
Enquiry from: Rosemary J
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We are hoping to buy a terraced house and the dpc has failed. How much please for 2 reception and kitchen
Warrington - WA2
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Prescot - L35
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Full external wall is damp on stair case and in bedroom, rising damp near front door
Warrington - WA3
Enquiry from: Greg B
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Can you please provide a quote for limited testing of that room as described below. testing at lower levels revealed areas with elevated moisture readings, with a wood moisture content of approximatel
Widnes - WA8
Enquiry from: Liam L
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Damp course need carrying out
Chester - CH3
Enquiry from: Matt H
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Damp patches on interior walls
Widnes - WA8
Enquiry from: Becca W
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DPC assessment and potential fitting of DPC in living toom
Chester - CH3
Enquiry from: Dan C
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Two joists with water damage under old bath
Manchester - M44
Enquiry from: Christine B
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Noticed a damp patch on an internal wall where a doorway was bricked up and need to have it dealt with before decorating
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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.
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.
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!
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