Tonbridge Construction and Damp-Proofing
Based: in Tonbridge, TN9 2YRLatest review
Andy L., TN12
Building work | Damp Proofing in Tonbridge
Very personable, honest and professional
Extensions including garage conversions will typically require extra damp proofing to be added through the conversion, as the existing garage typically has a single skin design for walls and floors, which was not designed to conform to building regulations for habitable rooms. This damp proofing will need to be put into walls and floors. Furthermore, the roofing of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will often be achieved by employing a damp proof membrane. This membrane can come 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 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 improved as part of the conversion to be able to comply with 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 that are already present 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 makes use of 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 London in May 2026
Requests for Damp proofing quotations in London in May 2026. 0% change from April 2026.
Requests for Damp proofing quotations in London County in May 2026. 0% change from April 2026.
England's capital city is now recovering from a successful Olympic Games and this huge multi-million pounds venture, coupled with various homes strategies, has modernised the city post-war. Regardless of this, there are still loads of buildings presenting an insight into the past and Tudor, Georgian and Victorian properties line the roads. With a contrast of the aged and the new, there are several initiatives home owners take on, from energy efficiency upgrades to house extensions.
Very personable, honest and professional
London - SW7
Enquiry from: Harriet S
Start Date: Immediate
tanking one bedroom wall, a hall way wall and a utility room wall. are you the property owner: relative of owner how many rooms do you need damp proofing: 3-4 rooms property type: other please call t...
London - SW16
Enquiry from: Aamir R
Start Date: Immediate
My bedroom roof got damp marks. Need to fix that.
London - SW16
Enquiry from: Cam I
Start Date: Immediate
Initially: Inspection and analysis of damp wall Then: Repair works
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.
London - SE5
Enquiry from: Susan L
Start Date: Immediate
Basement level of flat has some damp issues. Requesting a report and quote. I am the Landlord, Susan Lunn and I live in Australia. However, please contact my letting agent, Kate Morrison at Urban V...
London - SW16
Enquiry from: Harish V
Start Date: Immediate
Require Damp proofing inside and outside the property
London - SW17
Enquiry from: Selvi D
Start Date: Immediate
to check damp in loft room and one corner of living room
London - SW11
Enquiry from: Callum W
Start Date: Immediate
PIV installation in basement
London - N11
Enquiry from: Jagjit C
Start Date: Immediate
Party wall in the passage app. 8m long ground floor 1m high. Paint pealing off, plaster falling with small cracks.
London - NW10
Enquiry from: Lakhan N
Start Date: Immediate
Damp proofing of 1 wall in communal ground floor hallway approximately 4.5 m/sq affected area from ground up. - Take back to brickwork approximate 1.5m height. - Apply for form of damp proofing - ...
London - SE23
Enquiry from: Sascha B
Start Date: Immediate
Check for tanking, damp proof membrane
London - E18
Enquiry from: Panny Z
Start Date: Immediate
There is rising damp on the inside of all the external walls. the flat is on the ground floor
London - SW18
Enquiry from: Francois P
Start Date: Immediate
I have a small section in one of the bedrooms which has moisture ingress and actually got extremely damp with recent rains. I was hoping for a damp specialist to inspect this week and provide quote on...
London - N9
Enquiry from: Denise T
Start Date: Immediate
Bedroom has mould on an outside wall
London - SE12
Enquiry from: ANDREW G
Start Date: Immediate
Property is 9 New Buildings, FROME. ***. Survey and recommended treatment for damp and wood beetle damage highlighted on house buyers survey. Property is currently empty and under offer - keys availab...
London - N9
Enquiry from: Kevin C
Start Date: Immediate
Damp issue chimney breast 3m off the ground. Garage recently lead flashed against gable end below height if damp. Fireplace sealed 4 years ago and chimney not capped.
London - SW6
Enquiry from: Marie C
Start Date: Immediate
Around my windows I see damp maybe from condensation, need a thorough damp survey to understand the origin
London - E17
Enquiry from: Ben R
Start Date: Immediate
Damp Proof Course and Tanking of one wall around a bay window. Total area of wall including window approx 3.6m x 2.6m
London - N10
Enquiry from: Clea D
Start Date: Immediate
There is damp and water damage on one wall in the basement bedroom..it is only on the inside wall that faces the exterior of the property. The paint on the wall is peeling off and the wall is damp an...
London - NW5
Enquiry from: Deborah K
Start Date: Immediate
Survey of damp in 3 areas, party wall of lower ground floor where neighbours have tanked their side, front wall adjacent to parapet first floor bedroom and in lower ground floor utility room where wa...
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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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