Extensions including garage conversions will typically require supplementary damp proofing to be installed through the conversion, as the pre-existing garage typically has a single skin design for walls and floors, which was not designed to comply with building regulations for habitable rooms. This damp proofing should be added to walls and floors. Furthermore, the roof of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will most likely be achieved by employing a damp proof membrane. This membrane can come in either solid or liquid form. The damp proof membrane will be placed down either on top of the existing concrete floor, below 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 have 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 is done by either employing 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, therefore is it necessary to ensure that your garage conversion incorporates 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 |
£1900
£1425
£950
£475
£0
| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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Tonypandy is a community and also neighborhood located in the area borough of Rhondda Cynon Taf, within the historic county borders of Glamorgan, Wales, lying in the Rhondda Fawr Valley. A previous industrial coal mining community, today Tonypandy is best called the site of the 1910 Tonypandy troubles. Tonypandy means fulling mill lea, from Welsh bunch (archaic tonnau) for lea, layland, field, meadow or unploughed land; pannu for fulling as well as ty for house (cf. pandy).
Bridgend - CF32
Enquiry from: Jennifer D
Start Date: Immediate
The ground floor has been reported as very damp in the property survey report. I would like to understand the condition of the floors to know if remedial works are needed
Port Talbot - SA12
Enquiry from: Arnel Z
Start Date: Immediate
Damp is evidence on the bottom stairs, next to the inside wall
New Tredegar - NP24
Enquiry from: Laura C
Start Date: Immediate
Tenant has some damp areas in house so need a quote/survey
Port Talbot - SA12
Enquiry from: GARY P
Start Date: Immediate
I have had a survey of the premises done and it states that there is damp in the main bedroom. i am looking for someone to attend at the address and check for me, and to rectify the problem if require
Property: detached
Pontypridd - CF37
Enquiry from: Lisa M
Start Date: Immediate
DPC last done 27 years ago and we are selling. the surveyor has advised a new DPC at our cost, this is a three bed Victoria style semi on (address removed) Please can you send me a quote
Bridgend - CF32
Enquiry from: Stuart G
Start Date: Immediate
Downstairs outside walls at back have damp. Probably caused by the rendering down to floor level with no gap
Porth - CF39
Enquiry from: Janet L
Start Date: Immediate
Remove remaining render, identify problem,damp proof, re-render and plaster. This is inside of pine end wall
Newport - NP11
Enquiry from: Mark W
Start Date: Immediate
I need a property I’m interested in buying surveyed for damp, the property is a few hundred years old with flag stones, I’m aware the floor will need doing and possibly tanking of the entire groun
Bridgend - CF33
Enquiry from: Zbigniew P
Start Date: Immediate
Need damp proofing walls and get rid of the dumpness in a house
Pontypridd - CF37
Enquiry from: Ryan J
Start Date: Immediate
The bathroom shows signs of excess damp and mould. It’s an extension and I would like a quote to help me look at remedies to solve it
Caerphilly - CF83
Enquiry from: Natalie A
Start Date: Immediate
I have what looks like rising damp in my living room
Cardiff - CF14
Enquiry from: Sandra D
Start Date: Immediate
Advice for damp patch in hall
Bridgend - CF31
Enquiry from: Natasha G
Start Date: Immediate
We want to have Lino put in our kitchen and outhouse but when tapi capo to measure up they said that we need to sort out the damp first so we would like a quote as to what is needed and time frame to
Newport - NP11
Enquiry from: Aneta M
Start Date: Immediate
Diagnosing damp problem , cost for treatment
Llantwit Major - CF61
Enquiry from: Caroline M
Start Date: Immediate
Not sure? It needs investigating by someone who knows as surveyor had a damp measure that didn't go into wall so couldn't check
Caerphilly - CF83
Enquiry from: Andrew B
Start Date: Immediate
Lower front living room wall touching some of the side wall; i am not sure whether it is mould or damp. but the wall is cold, so i think it might be damp due to lacking good ventilation
Property: terrace
Cardiff - CF14
Enquiry from: Rohaan S
Start Date: Immediate
Discovered a few patches of damp, I would like a free quote so I know how much it will cost to repair
Blackwood - NP12
Enquiry from: Adrian M
Start Date: Immediate
I have a lot of damp inside the house on the front and pine end
Pontypridd - CF37
Enquiry from: Frances R
Start Date: Immediate
Possible rising damp but could also be qater leak. Exploration of source of problem, assessment and quote
Tredegar - NP22
Enquiry from: Jason M
Start Date: Immediate
Penetrating damp on the weather facing side of the house affecting 2 floors
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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.
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.
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.
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