Building work | Damp Proofing
Marlow - SL7
Enquiry from: Simon M
Start Date: Immediate
Would like a free damp inspection please.
Extensions such as garage conversions will usually require additional damp proofing to be installed as part of conversion, as the pre-existing garage routinely has a single skin design for walls and floors, which was not designed to be in accordance with building regulations for habitable rooms. This damp proofing will need to be put into walls and floors. Moreover, the roofing of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will most likely be performed by utilising 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, 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 have been damp proofed, but this might need to be improved as part of the conversion to be able to comply with current building regulations. The walls will need to be damp proofed in order to protect the brickwork from rotting slowly as moisture sets in. This can be done by either making use of 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 will need to comply with, and so is it important to make sure 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 |
£3000
£2250
£1500
£750
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
Requests for quotations in Buckinghamshire in July 2026
Requests for Damp proofing quotations in Buckinghamshire in July 2026. 0% change from June 2026.
Requests for Damp proofing quotations in South East in July 2026. 0% change from June 2026.
Marlow - SL7
Enquiry from: Simon M
Start Date: Immediate
Would like a free damp inspection please.
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...
Olney - MK46
Enquiry from: Amy M
Start Date: Immediate
RICS level 3 survey has indicated high moisture levels and rising damp on internal faces of external walls in a number of locations throughout the property. Can I please arrange a quote for a small 2 ...
Iver - SL0
Enquiry from: Levina M
Start Date: Immediate
We do not own this house currently; however are imminently exchanging on this property, we are requesting 2 quotes for each of the areas damp has been identified in the survey report. There is unlike...
Iver - SL0
Enquiry from: Sandy V
Start Date: Immediate
Hi, looking for a free quotation for damp treatment. Are you able to visit my property next week on Friday 29/08/25? Pls advise
Aylesbury - HP22
Enquiry from: Laura K
Start Date: Immediate
Survey to see if damp is present
Marlow - SL7
Enquiry from: Peter N
Start Date: Immediate
Small Cottage, 1/2 walls showing damp survey to all house
Buckingham - MK18
Enquiry from: Rebecca C
Start Date: Immediate
Rising damp in old cottage house.
Milton Keynes - MK8
Enquiry from: David K
Start Date: Immediate
We have a growing damp spot along in one of our bedrooms, this room is directly below a balcony area on the top floor ov our house. Suspect that water is leaking in via the balcony into the wall and c...
Aylesbury - HP18
Enquiry from: Alex C
Start Date: Immediate
I have a cottage that was built pre 1900 that is semi detached. My internal wall that is in between my neighbour and I has always suffered from damp, we have had the property 13 years and it’s alwa...
High Wycombe - HP13
Enquiry from: Razia I
Start Date: Immediate
Riding damp inside living room wall
Milton Keynes - MK4
Enquiry from: Gabby D
Start Date: Immediate
Hello, I have a first floor window that is letting in some water. The window itself is in good condition, the water is seeping in around the side when the window joins the wall. The access to the prop...
Milton Keynes - MK4
Enquiry from: Shailee S
Start Date: Immediate
Damp on the walls. I would like to get the problem investigated so to identify the problem and fix the same
High Wycombe - HP12
Enquiry from: Armaghan J
Start Date: Immediate
We have some damp patches and need someone to come and check the issue and provide a solution
Milton Keynes - MK14
Enquiry from: Anand A
Start Date: Immediate
Damp and condensation survey needed with root cause report.
Milton Keynes - MK17
Enquiry from: Izabella D
Start Date: Immediate
Damp has been identified on inside of chimney breast in front room and in kitchen near the sink. We would like a quote asap for the work as we are selling the house
High Wycombe - HP15
Enquiry from: Scott L
Start Date: Immediate
Damp walls in external facing downstairs living area. Looks to have had injection treatment in the past but also has cracked tender on outer facing side of wall.
High Wycombe - HP13
Enquiry from: Jay G
Start Date: Immediate
External wall has damp. *** floor flat
Milton Keynes - MK12
Enquiry from: Latoya W
Start Date: Immediate
Damp on ceiling in bedroom and bathroom
Marlow - SL7
Enquiry from: Richard P
Start Date: Immediate
Identify issue with damp in living 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.
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.
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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