Extensions such as garage conversions will often require supplementary damp proofing to be installed through the conversion, as the pre-existing garage routinely has a single skin design for walls and floors, which was not manufactured to conform to building regulations for habitable rooms. This damp proofing will need to be added to walls and floors. Additionally, the roofing of the garage conversion will require water proofing. The damp proofing of the floor of the garage conversion will in most cases be performed by using 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 if 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 will need to be damp proofed to be able to protect the brickwork from rotting slowly as moisture sets in. This is performed by either utilising damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is an important part of the building regulations that the garage conversion will need to comply with, and so is it important to ensure that your garage conversion employs 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 |
£1900
£1425
£950
£475
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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The London Borough of Hammersmith and Fulham is a London borough in West London, and forms part of Inner London. The local council is Hammersmith and Fulham London Borough Council. It was referred to as the 'London Borough of Hammersmith' till its name was changed on 1 January 1979 by the borough council. The two had been joined with each other previously as the Fulham District from 1855 to 1886. The borough covers a total area of 6.33 square miles.
As outlined by population estimates in the middle of 2014, it has a permanent population of around 178365 people. Within this population, around 50 per cent of households are owner-occupiers. Passed through by the east-west main roads of the A4 Great West Road and also the A40 Westway, a lot of international corporations have offices inside the borough.
Hammersmith and Fulham is served by several London Overground and London Underground stations. Hammersmith and Fulham Rugby Football Club have been playing inside the borough at Hurlingham Park for more than 30 years, and the borough is also residence to a tennis club, a boxing club, along with a rowing club. Hammersmith and Fulham includes four theatres and the Lyric Hammersmith, on Lyric Square off King Street, is viewed as one of the most notable theatres outside the West End in London.
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
Beckenham - BR3
Enquiry from: Hakan H
Start Date: Immediate
Looking for a carbide testing for the screed to be done on 15th or 16th of September in two rooms
London - N7
Enquiry from: Ravneet M
Start Date: Immediate
Have had two internal walls in a basement flat come up with high moisture readings. 40% in an internal bathroom wall which feels dry but has some hard bumps at the bottom. Width of wall is about 70cm
London - N9
Enquiry from: Molly M
Start Date: Immediate
Assess my wall and sort out the damp prof problem
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
Pinner - HA5
Enquiry from: Kiran M
Start Date: Immediate
London - W3
Enquiry from: Chris R
Start Date: Immediate
Front of house approximately 6M fix the damp proofing externally. Red brick 1920s terraced proofing
Ashford - TW15
Enquiry from: Krishna A
Start Date: Immediate
To check whether the wall is damp or not
London - SE27
Enquiry from: William P
Start Date: Immediate
There is damp in my conservatory which was built about 10 years ago. The damp has affected one wall and the shed ceiling and only appears after prolonged rain
Potters Bar - EN6
Enquiry from: Priyanka R
Start Date: Immediate
To review the damp, see the source, take damp readings and advise the best course of action
Pinner - HA5
Enquiry from: Kiran M
Start Date: Immediate
Damp wall in daughter’s bedroom. Find and fix the issue
Harrow - HA3
Enquiry from: Mukund V
Start Date: Immediate
Quotation ***dground Massionnet dampening & condensation & general upgrading for the house
London - SW7
Enquiry from: Harriet S
Start Date: Immediate
Tanking one bedroom wall, a hall way wall and a utility room wall
Mitcham - CR4
Enquiry from: Ope O
Start Date: Immediate
I want to Waterproof the flat concrete roof and damp proof the end of terrace wall
Beckenham - BR3
Enquiry from: Pippa S
Start Date: Immediate
I have a damp patch on the wall in my kitchen
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
Epsom - KT19
Enquiry from: Peter M
Start Date: Immediate
We have a small amount of damp rising on a small wall in our conservatory - all the walls were treated with a waterproof membrane and re plaster boarded last year but this small wall was not done
Property: semi detached
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
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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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