Extensions including garage conversions will often require supplementary damp proofing to be installed during the conversion, as the pre-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 added to walls and floors. In addition, the roof of the garage conversion will need water proofing. The damp proofing of the floor of the garage conversion will usually be performed by by using 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 will have already been damp proofed, but this might have to be improved as part of the conversion in order 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 is done by either making use of 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 should adhere to, therefore is it necessary to ensure 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
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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Heywood is regarded as a town plus unparished area within the Metropolitan Borough of Rochdale, in Greater Manchester, England.[1] In the past part of Lancashire, at the 2001 census it possessed a populace of 28,024.[2] The town sits on the south bank of the River Roch and it is 2.4 miles (3.9 km) east of Bury, 3.7 miles (6.0 km) west-southwest of Rochdale, and 7.4 miles (11.9 km) north of the city of Manchester. The town of Middleton is located to the south, while towards the north is the Cheesden Valley, open moorland, and the Pennines. Heywood's nickname is Monkey Town, a name known to date dating back to 1857.
At Home Energy Save GB Ltd we are specialists in all fields of damp proofing and energy efficiency within the home. Whether your problem is loft condensation, rising damp, penetrating damp, black mould or simply heat loss then we can help. We sp...
Phone consultant was lovely and polite. Barry came out to review our home and was very professional, friendly and gave ...
Todmorden - OL14
Enquiry from: JULIE S
Start Date: Immediate
Check on basement set up maybe incomplete, before purchase. Future possibility of being able to use.prefer someone indipendant for check
Cheadle - SK8
Enquiry from: Joe M
Start Date: Immediate
Inspection of damp damage/severity, proposal of necessary work to repair, quote for cost of work & timescales
Bury - BL8
Enquiry from: Adam J
Start Date: Immediate
Damp proofing around the house I think ………… need a quote
Accrington - BB5
Enquiry from: Nusra A
Start Date: Immediate
Bedroom outside wall plaster needs taking off as it is crumbling off and is discoloured looks like,damp but not sure and then either re-boarding or re-plastering
Manchester - M27
Enquiry from: Catherine C
Start Date: Immediate
Check damp in kitchen walls - possible rising damp
Sowerby Bridge - HX6
Enquiry from: Jasmine S
Start Date: Immediate
I've got a problem with kitchen damp. I don't know where it's coming from and really need help!
Bury - BL0
Enquiry from: Carl R
Start Date: Immediate
We have a storage cellar that is damp that we would like sorting, and also some damp on the shop floor caused by an external pipe and some broken masonry. We have had a survey done which I can provide
Manchester - M44
Enquiry from: Mel H
Start Date: Immediate
Damp turned into black in my daughter’s. Bedroom in the corner of the ceiling demi detached house and is on the external wall
Manchester - M41
Enquiry from: James H
Start Date: Immediate
Floorboards at one end of living room have wet corners after rain - something under floor potentially letting water in / trapping condensation or similar. Would like an investigation and quote for fix
Manchester - M27
Enquiry from: Chun F
Start Date: Immediate
We have observed damp on the wall adjoining the exterior wall, as well as in the living room and porch areas. We would be grateful if you could provide us with a quotation for inspection and repair
Heywood - OL10
Enquiry from: Billy P
Start Date: Immediate
Our Scout Hut is damp, and the cellar flood sometimes. We have the opportunity to put a grant in to fix this. The deadline to put the grant application in is 19/09/2025 We have to submit a quote with
Cheadle - SK8
Enquiry from: Graham B
Start Date: Immediate
Can smell damp in bungalow and have a dehumidifier on all the time need some one to come out and look to what the problem is please
Hebden Bridge - HX7
Enquiry from: Nicky J
Start Date: Immediate
Hi I require a damp survey of a property I am buying of the cellar to see if it is damp and if it can be tanked
Bury - BL0
Enquiry from: Edward B
Start Date: Immediate
We've just come home from some time away and have noticed three signs of damp: - bumpy external wall in downstairs toilet - wet carpet on bottom step of hallway - patch of white mould along the ski
Rochdale - OL11
Enquiry from: Muhammad I
Start Date: Immediate
There is damp issue in *** reception. (address removed) is the corner house so the wall where damp issue is coming is the roadside wall. If you guys provide free survey that will be better to come and
Manchester - M43
Enquiry from: Rachel H
Start Date: Immediate
Currently purchasing a house. survey showed damp. need quote for repairs
Rossendale - BB4
Enquiry from: Hannah M
Start Date: Immediate
Most issues have been sorted by fixing the roof, but we have some damp coming inside on external facing walls i could do with some advice on how to fix/ see what you could offer? i am generally in the
Sowerby Bridge - HX6
Enquiry from: Sean D
Start Date: Immediate
I have 2 apartments with rear walls that are underground at street level but over ground at the front of the properties due to the land gradient. I need damp / waterproofing works to be completed
Stockport - SK6
Enquiry from: Ian H
Start Date: Immediate
We experienced flooding over New Year. We have had the insurance contractor perform a strip out to aid the drying process and been advised that a salts test was done and nitrates were found indicating
Stockport - SK6
Enquiry from: Holly S
Start Date: Immediate
Builder to look at a concrete floor for damp proofing
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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.
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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