Extensions including garage conversions will usually require extra damp proofing to be added during the conversion, as the pre-existing garage routinely has a single skin design for walls and floors, which was not built to conform to 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 require water proofing. The damp proofing for the floor of the garage conversion will most likely 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, 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 already been damp proofed, but this might have to be updated as part of the conversion in order to meet current building regulations. The walls should be damp proofed to be able to protect the brickwork from rotting slowly as moisture sets in. This is accomplished by either utilising 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 important part of the building regulations that the garage conversion will need to comply with, therefore 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
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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Holt is a market community, civil parish and also electoral ward in the English area of Norfolk. The town is 22.8 miles (36.7 km) north of the city of Norwich, 9.5 miles (15.3 km) west of Cromer and also 35 miles (56 km) east of King's Lynn. The community is on the route of the A148 King's Lynn to Cromer road. The nearby railway station is in the community of Sheringham where access to the national rail network can be made by means of the Bittern Line to Norwich. Holt additionally has a train station on the managed North Norfolk Railway, the 'Poppy Line', of which it is the south-western terminus. The nearby flight terminal is Norwich. The town has a population of 3,550, rising as well as consisting of the ward to 3,810 at the 2011 census. Holt is within the area covered by North Norfolk District Council.
Dereham - NR20
Enquiry from: Justyna D
Start Date: Immediate
I have a home survey level 2 done. report is stating high level of damp inside walls across the ground level floor both on external and internal walls. second issue is there is no dpc inside the walls
Dereham - NR20
Enquiry from: Sandra A
Start Date: Immediate
Damp in kitchen rising from bottom of one wall to half way up
Sheringham - NR26
Enquiry from: Sarah W
Start Date: Immediate
Hi. Our holiday let is up for sale and we'd like a survey to check for damp please
Norwich - NR11
Enquiry from: Erin M
Start Date: Immediate
A house has an awful smell unlike other damp houses we have lived in. We think it is under the laminate flooring. The previous owners had several cats and dogs. How much would a thorough examination c
Cromer - NR27
Enquiry from: Annett L
Start Date: Immediate
I’m writing to request a quotation for damp proofing work on our victorian house. originally, the property was part of a larger building before wwii. during the war, the adjoining section (a hotel)
Property: semi detached
Sheringham - NR26
Enquiry from: Helen B
Start Date: Immediate
We are selling our house and the survey has cited issues with damp a the rear of our property. We are seeking a second opinion regarding the work that needs doing and a quote for that work to be carri
Dereham - NR20
Enquiry from: Chris L
Start Date: Immediate
Damp on outer wall, penetrating through to upstairs bedroom and downstairs lounge
Fakenham - NR21
Enquiry from: Maureen S
Start Date: Immediate
This is a 1600 property which was completly renovsted in 1998/_1999.When we purchased it i 2000it had been dp proofed by Dampacure. The damp on the fro t wall has come back. this is .yholiday home
Fakenham - NR21
Enquiry from: Jonathan R
Start Date: Immediate
Hi we have just bought a house and the survey showed up that the outside wall needs a damp proof injection. please could you give me a idea on cost and availability
Property: terrace
Wells-next-the-Sea - NR23
Enquiry from: Robert F
Start Date: Immediate
Damp inspection on all parts of property
Sheringham - NR26
Enquiry from: Fawn H
Start Date: Immediate
Penetrating damp across building, advisement needed of best course of action regarding cladding versus render and associated costs. Additionally, air flow/condensation in flats
Fakenham - NR21
Enquiry from: Andy M
Start Date: Immediate
We have a bit of what I think is penetrating damp on our kitchen wall
Cromer - NR27
Enquiry from: Emma F
Start Date: Immediate
Damp proofing in kitchen and dining room
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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.
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.
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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