Building work | Damp Proofing
Marlow - SL7
Enquiry from: Simon M
Start Date: Immediate
Would like a free damp inspection please.
Extensions including garage conversions will often require supplementary damp proofing to be added as part of conversion, as the pre-existing garage routinely has a single skin design for walls and floors, which was not manufactured to comply with building regulations for habitable rooms. This damp proofing will have to be added to walls and floors. Additionally, the roof of the garage conversion will require water proofing. The damp proofing of the floor of the garage conversion will in most cases be performed by employing 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 existing concrete floor, underneath 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 been damp proofed, but this may 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 can be accomplished by either using damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is an integral part of the building regulations that the garage conversion should comply with, therefore is it necessary to ensure 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 |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£3000
£2250
£1500
£750
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Requests for quotations in South East in May 2026
Requests for Damp proofing quotations in South East in May 2026. 0% change from April 2026.
Requests for Damp proofing quotations in United Kingdom in May 2026. 0% change from April 2026.
Marlow - SL7
Enquiry from: Simon M
Start Date: Immediate
Would like a free damp inspection please.
Fareham - PO16
Enquiry from: Jacqueline W
Start Date: Immediate
rising damp front of house-tide mark on walls and crumbling walls! Help needs attention!
Mitcham - CR4
Enquiry from: Ope O
Start Date: Immediate
I want to Waterproof the flat concrete roof and damp proof the end of terrace wall.
Maidenhead - SL6
Enquiry from: Jennean A
Start Date: Immediate
We have signs of damp in 2 xbedrooms and can't understand why
Chatham - ME4
Enquiry from: Hyacinth W
Start Date: Immediate
Damp in an area in the basement bedroom. Trying to get the problem rectified
Beckenham - BR3
Enquiry from: Pippa S
Start Date: Immediate
I have a damp patch on the wall in my kitchen
Milton Keynes - MK17
Enquiry from: Olivia S
Start Date: Immediate
We are currently in the process of purchasing a property and have recently received the results of a Level 3 building survey. The surveyor identified several areas of concern relating to damp and reco...
Epsom - KT19
Enquiry from: Peter M
Start Date: Immediate
we have a small amount of damp rising on a small wall in our conservatory - all the walls were treated with a waterproof membrane and re plaster boarded last year but this small wall was not done are ...
Gillingham - ME7
Enquiry from: George B
Start Date: Immediate
Damp survey before buying
Dartford - DA1
Enquiry from: Mike B
Start Date: Immediate
Damp in bathroom constantly
Gillingham - ME7
Enquiry from: Diane C
Start Date: Immediate
do you do free inspections ? we are a property management
South Croydon - CR2
Enquiry from: Natalie R
Start Date: Immediate
To locate source of damp from weather in a wall
Romsey - SO51
Enquiry from: Wayne R
Start Date: Immediate
interior damp issue in centre of property are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: detached please call to appoint
Haslemere - GU27
Enquiry from: Keith T
Start Date: Immediate
Our garage has a signiciant amount of damp seeping through floor along the back wall and near the main door
Hungerford - RG17
Enquiry from: Chris G
Start Date: Immediate
damp proofing
Rye - TN31
Enquiry from: Oliver T
Start Date: Immediate
Damp patches upstairs / downstairs exterior walls.
Yateley - GU46
Enquiry from: Richard B
Start Date: Immediate
Quote for rising damp in a few rooms at front of house
Wallingford - OX10
Enquiry from: Richard C
Start Date: Immediate
haven't had a professional look at it yet but rising damp in a couple of corners of the downstairs. Looking to buy the place and make it liveable asap, would like a quote.
Sittingbourne - ME9
Enquiry from: Chris M
Start Date: Immediate
it appears i have rising damp on external joining walls. no signs of leaks anywhere. noticed it as the paint, that was primed is peeling off the walls. would like someone to come and try identify the ...
Fareham - PO16
Enquiry from: Rosie E
Start Date: Immediate
a survey on one of the walls in the kitchen. the wall is showing discolouration and the paintwork is peeling off. no evidence of mould but that part of the wall is cold to touch also are you the pro...
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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!
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.
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.
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