Extensions including garage conversions will often require extra damp proofing to be added during the conversion, as the existing garage typically has a single skin design for walls and floors, which was not built to comply with building regulations for habitable rooms. This damp proofing should be put into walls and floors. Additionally, the roofing of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will in most cases be performed by utilising 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, below the new floor, or as part of both, depending on whether the floor will be a solid or a floating floor. In a few garages, the walls have already been damp proofed, but this may need to be improved as part of the conversion in order to comply with current building regulations. The walls will need to be damp proofed in order to protect the brickwork from rotting gradually as moisture sets in. This is carried out by either applying 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, therefore is it vital to make sure 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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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
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£1425
£950
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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The City of Westminster is an Inner London borough which occupies a lot of your central area of Greater London which includes most of the West End. It is towards the west of and adjoining the ancient City of London, directly to the east of the Royal Borough of Kensington and Chelsea, and its southern boundary is the River Thames. It was created with the 1965 establishment of Greater London. Upon creation, Westminster was awarded city status, which had been previously held by the smaller sized Metropolitan Borough of Westminster. The borough covers a total area of around 8.29 square miles.
Apart from several big parks and open spaces, the population density of the district is high. According to population estimates from the middle of 2014, the borough presently features a permanent population of about 233292, indicating a slight decrease from 2008. Several sites normally associated with London are within the borough, including St. James's Palace, Buckingham Palace, the Houses of Parliament, and Number 10 Downing Street.
The borough is split into several localities, including the ancient political district of Westminster around the Palace of Westminster, the shopping areas around Oxford Street, Regent Street, Piccadilly and Bond Street, and the night time entertainment district of Soho. The City of Westminster is home to a big number of organisations. Quite a few leading global corporations have chosen to establish their international or European headquarters inside the City of Westminster. For all your residence upgrades, ensure that you use trustworthy experts in Westminster to make sure you get the top quality.
London - SW16
Enquiry from: Jigisha S
Start Date: Immediate
Hi dear, We having damp problem in our outbuilding in the garden.Skirting board shows sign of it as broken.Do you offer free visit for insepection and survey then please do contact me
London - SW16
Enquiry from: Joel J
Start Date: Immediate
Rising damp. removing existing plaster and injecting damp proof chemicals and re plastering and painting of wall at front window bay
Property: semi detached
London - SW20
Enquiry from: Angela S
Start Date: Immediate
We have discovered an issue with property and would like a visit/inspection to identify the cause
Property: terrace
London - W3
Enquiry from: Chris R
Start Date: Immediate
Front of house approximately 6M fix the damp proofing externally. Red brick 1920s terraced proofing
London - SW7
Enquiry from: Harriet S
Start Date: Immediate
Tanking one bedroom wall, a hall way wall and a utility room wall
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
Damp proofing enquiry
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 - 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 - plas
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
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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!
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.
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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