Extensions including garage conversions will often require supplementary damp proofing to be added through the conversion, as the existing garage routinely has 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 need to be put into walls and floors. Additionally, the roof of the garage conversion will need 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 is available in either solid or liquid form. The damp proof membrane will be put 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 have already been damp proofed, but this may need to be improved as part of the conversion in order to adhere to current building regulations. The walls will need to be damp proofed to be able to protect the brickwork from rotting slowly as moisture sets in. This can be done by either employing damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already in the garage. Damp proofing is an important part of the building regulations that the garage conversion should comply with, and so is it vital to make sure 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
| Avg. price low | Avg. price low |
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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£1900
£1425
£950
£475
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Requests for quotations in Dereham in December 2024
Requests for Damp proofing quotations in Dereham in December 2024. 0% change from December 2024.
Requests for Damp proofing quotations in Norfolk in December 2024. 0% change from December 2024.
Dereham is a town and civil parish in the English county of Norfolk. Positioned on the A47 road, it is 15 miles west of the city of Norwich and 25 miles east of King's Lynn. For local government uses, the town is the administrative base for the district of Breckland. The town covers an area of 8.31 square miles and at the time of the 2001 Census, there was a permanent population of 15659 residing in 6941 homes, with the population increasing to 18609 in the 2011 Census. Historical proof has indicated that settlements have actually been on the Dereham area ever since the Neolithic period, such as the discovery of a Neolithic polished greenstone axe head, flint scraper and other tools in nearby fields during the 1980s. Dereham is recognized for its part during the course of The second world war, in which the 'Jentique' furniture factory made boxes for instruments and bombs made use of during the war. The town was also home to 'Hobbies of Dereham', which put together plans, equipment sets and tools, along with their popular treadle fretwork saws, for constructing wood models and toys. At its peak, Hobbies owned 10 stores in prestige locations throughout the UK, and the business now has facilities in Raveningham, where they continue to trade. Sports and leisure also have a considerable function in the local neighborhood. The most popular site for many sports and leisure facilities is the former railway and industrial land close to the town's station, which merge to incorporate swimming pools, a health and fitness center, and a dance hall. The town is also home to Dereham F.C., a Non-League football club that plays at Adiss Park. For all your home upgrades, ensure to make use of trustworthy contractors in Dereham to make certain of quality.
Dereham - NR19
Enquiry from: Julie M
Start Date: Immediate
Church annex has damp in the stairway which we suspect is due to the neighbour's roof. Also a patch on the ceiling in the annex lounge which cannot be accounted for.
Dereham - NR20
Enquiry from: Laura W
Start Date: Immediate
Hello, we are purchasing this property and the survey has flagged there is damp. Please can we book a specialist damp survey Thank you Laura
Dereham - NR19
Enquiry from: Osman C
Start Date: Immediate
Damp report is needed for mortgage purposes
Dereham - NR19
Enquiry from: Jennie S
Start Date: Immediate
I have damp and mould around the bottom of the external walls in 2 rooms. I would like the source investigated and a quote for any work necessary. Thanks Jennie
Dereham - NR19
Enquiry from: Brenda M
Start Date: Immediate
Free quote on damp proofing
Dereham - NR20
Enquiry from: Mark M
Start Date: Immediate
we think it’s a 60’s build bungalow. concrete floor with wood (look like floorboards) on top. one of the rooms when the carpet underlay was lifted immediately smelled damp and the walls were moist...
Dereham - NR19
Enquiry from: Jonathan F
Start Date: Immediate
damp appearing on walls etc on ground floor. are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: terrace please call to appoint
Dereham - NR20
Enquiry from: Jane M
Start Date: Immediate
damp in the corner of the exterior wall. the house is a terraced house and there is arch way running alongside where the damp is. it is an old property around 150 years,made of wattle and daub. are yo...
Dereham - NR19
Enquiry from: Abigail H
Start Date: Immediate
There's damp all the way up the back of the building. Inside it's making the wall damp, no idea what's causing it or what I can do to stop it! Definitely need some help working out what to do next.
Dereham - NR19
Enquiry from: Mark T
Start Date: Immediate
hi, would you be able to visit a property , (address above) and offer me your professional opinion regarding some mould/damp walls on internal walls please. thanks mark *** are you the property owner...
Dereham - NR19
Enquiry from: Mark T
Start Date: Immediate
Inside front facing walls need accessing and giving your professional opinion on repairs.
Dereham - NR19
Enquiry from: Lauren R
Start Date: Immediate
good morning, we have a rental property in dereham that we manage where there is evidence of moisture in the walls in the kitchen (on an outside wall) and 2 bedroom walls (which back on to the garage...
Dereham - NR19
Enquiry from: Karolina K
Start Date: Immediate
Damp and Timber survey report
Dereham - NR20
Enquiry from: Alan H
Start Date: Immediate
We are currently having an extension put to our house and the builder has recommended we have A survey to determine if an outside wall which is soon to be internal needs any treatment .
Dereham - NR19
Enquiry from: Lauren R
Start Date: Immediate
Are you the property owner: Owner of the property Customer's own work description: We have a property that we let that is suffering from mould and we would like to know what can be done to sort this...
Dereham - NR19
Enquiry from: Keith L
Start Date: Immediate
Damp, specialist assessment Are you the property owner: Owner of the property How many rooms do you need damp proofing: 1-2 Rooms Property Type: Terrace Time scale: Less than one month Please ca...
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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.
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.
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