Extensions including garage conversions will usually require additional 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 put into walls and floors. Additionally, the roofing of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will usually be performed by employing 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 whether the floor will be a solid or a floating floor. In some garages, the walls have already been damp proofed, but this may have to be updated as part of the conversion to be able to adhere to current building regulations. The walls should be damp proofed to be able to safeguard the brickwork from rotting slowly as moisture sets in. This can be carried out by either employing 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 comply with, and so is it important to make sure 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 |
£1900
£1425
£950
£475
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Searches that showed one of our pages for Woodford Green, all services
Woodford Green is a North East London suburb around the fringe of the Epping Forest and situated inside the Redbridge Borough. With a populace more than 40,000 there are a selection of homes from modern day to traditional. For almost any property enhancements you might be thinking of soon, be sure to make use of vetted contractors and get the best price for your next project.
London - SW16
Enquiry from: Jigisha S
Start Date: Immediate
Hi dear, We having damp problem in our outbuilding in the garden.Skirting board shows sign of it as broken.Do you offer free visit for insepection and survey then please do contact me
Beckenham - BR3
Enquiry from: Hakan H
Start Date: Immediate
Looking for a carbide testing for the screed to be done on 15th or 16th of September in two rooms
London - N7
Enquiry from: Ravneet M
Start Date: Immediate
Have had two internal walls in a basement flat come up with high moisture readings. 40% in an internal bathroom wall which feels dry but has some hard bumps at the bottom. Width of wall is about 70cm
London - N9
Enquiry from: Molly M
Start Date: Immediate
Assess my wall and sort out the damp prof problem
London - SW16
Enquiry from: Joel J
Start Date: Immediate
Rising damp. removing existing plaster and injecting damp proof chemicals and re plastering and painting of wall at front window bay
Property: semi detached
London - W3
Enquiry from: Chris R
Start Date: Immediate
Front of house approximately 6M fix the damp proofing externally. Red brick 1920s terraced proofing
London - SE27
Enquiry from: William P
Start Date: Immediate
There is damp in my conservatory which was built about 10 years ago. The damp has affected one wall and the shed ceiling and only appears after prolonged rain
Bexley - DA5
Enquiry from: Chloe N
Start Date: Immediate
Need someone to look at some damp & timber issues raised on a property survey which we are purchasing if possible please
Potters Bar - EN6
Enquiry from: Priyanka R
Start Date: Immediate
To review the damp, see the source, take damp readings and advise the best course of action
London - SW7
Enquiry from: Harriet S
Start Date: Immediate
Tanking one bedroom wall, a hall way wall and a utility room wall
Brentwood - CM15
Enquiry from: Peter K
Start Date: Immediate
Area of damp on sun lounge interior wall, approx 4 feet square. two years ago work was carried out to resolve the problem, the following year everything was fine, but this year the problem has resurfa
Property: terrace
Beckenham - BR3
Enquiry from: Pippa S
Start Date: Immediate
I have a damp patch on the wall in my kitchen
London - SW16
Enquiry from: Aamir R
Start Date: Immediate
My bedroom roof got damp marks. Need to fix that
Brentwood - CM13
Enquiry from: Sophie B
Start Date: Immediate
Floor tiles lifting. took some up and the concrete underneath is damp
Property: detached
London - SW16
Enquiry from: Cam I
Start Date: Immediate
Damp proofing enquiry
Dartford - DA1
Enquiry from: Mike B
Start Date: Immediate
Damp in bathroom constantly
Ilford - IG2
Enquiry from: Alok A
Start Date: Immediate
Anti-Mould, Damp painting required for the entire 2/3 bedroom flat including cleaning existing mould etc
London - E7
Enquiry from: Zahirulhasan S
Start Date: Immediate
Due to recent rains, some water / moisture seems to have seeped onto the inner wall, blistering the paint / coating; so may need damp proofing / sealing of some sort
Hornchurch - RM12
Enquiry from: Simon P
Start Date: Immediate
Just moved into a house and started decorating. Noticed signs of damp in the corner of *** bedroom while painting. Discoloured and flaking paint. Rusty screws in window blind. Guessing a roof or rende
Potters Bar - EN6
Enquiry from: Nik D
Start Date: Immediate
Possible water penetration in two places in the house
Property: semi detached
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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!
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.
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.
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