Extensions including garage conversions will often require additional damp proofing to be installed through the conversion, as the existing garage normally 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 should be added to walls and floors. Moreover, the roofing of the garage conversion will need water proofing. The damp proofing of the floor of the garage conversion will often be achieved by utilising 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, underneath the new floor, or as part of both, depending on if the floor will be a solid or a floating floor. In some garages, the walls will have already been damp proofed, but this may need to be updated as part of the conversion in order to meet current building regulations. The walls will need to be damp proofed in order to protect the brickwork from rotting gradually as moisture sets in. This can be performed by either applying 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 will need to comply with, and so is it important to ensure that your garage conversion incorporates appropriate 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 |
|---|---|
| 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 Norfolk in December 2024
Requests for Damp proofing quotations in Norfolk in December 2024. 0% change from November 2024.
Requests for Damp proofing quotations in East Of England in December 2024. 0% change from November 2024.
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.
Thetford - IP25
Enquiry from: Scott H
Start Date: Immediate
I'm looking for a quotation for a full Damp and Timber Survey (damp proofing was the only option on the contact form) for a property I'm looking to purchase. The property is a 1-bed ground floor flat ...
Norwich - NR12
Enquiry from: Paul E
Start Date: Immediate
I need a quote for damp proofing my house
Diss, Eye - IP21
Enquiry from: Roger C
Start Date: Immediate
An internal wall has a damp issue that needs looking at. It is an old house and the wall probably has no damp course I was wondering if it might be possible to inject a damp course into the wall and r...
Hunstanton - PE36
Enquiry from: Wendy W
Start Date: Immediate
inspection/survey of suspected rising damp are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: detached please call to appoint
Fakenham - NR21
Enquiry from: Andy M
Start Date: Immediate
We have a bit of what I think is penetrating damp on our kitchen wall
Great Yarmouth - NR30
Enquiry from: George H
Start Date: Immediate
Paint work starting to bubble in front bedroom
King's Lynn - PE30
Enquiry from: Marta M
Start Date: Immediate
I need a specialist report in regard to Damp & Timber for my mortgage. I need it to done asap.
Thetford - IP24
Enquiry from: Andy S
Start Date: Immediate
Water ingress at the front of the shop, damp on internal wall, lifting of flooring
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.
King's Lynn - PE33
Enquiry from: Alice B
Start Date: Immediate
Suspected damp on outside walls in two bedrooms. I need a survey.
Great Yarmouth - NR30
Enquiry from: Katerina H
Start Date: Immediate
Purchasing a multi unit property of 9 flats and would like a damp and timber report please.
Cromer - NR27
Enquiry from: Emma F
Start Date: Immediate
damp proofing in kitchen and dining room
King's Lynn - PE33
Enquiry from: Paul K
Start Date: Immediate
We are looking for someone to come and have a look at a possible damp problem on a couple of internal walls.
Holt - NR25
Enquiry from: Roger J
Start Date: Immediate
Signs of damp at floor level in downstairs' bathroom
Great Yarmouth - NR30
Enquiry from: Veronica C
Start Date: Immediate
One wall is looking damp. Please assess and quote.
Norwich - NR13
Enquiry from: Sam K
Start Date: Immediate
Review of possible damp. 5 bedroom 16 century house
Norwich - NR13
Enquiry from: Joan B
Start Date: Immediate
To find out cost of damp proofing lower wall
Norwich - NR11
Enquiry from: HANNAH W
Start Date: Immediate
Damp proofing - downstairs of property. Gathering quotes and estimates.
King's Lynn - PE34
Enquiry from: Neil C
Start Date: Immediate
injected damp proofing nee fed as has rising damp, mainly to the party wall are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: semi de...
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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!
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.
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