Extensions such as garage conversions will usually require extra damp proofing to be installed as part of 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 should 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 in most cases be performed by employing a damp proof membrane. This membrane is available 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 whether the floor will be a solid or a floating floor. In a few garages, the walls have already been damp proofed, but this might have to be updated 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 gradually as moisture sets in. This can be performed by either employing 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 will need to adhere to, therefore is it vital to ensure that your garage conversion incorporates 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
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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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Archway is a district within the London Borough of Islington in inner north London. It's situated around the A1 and centred on Archway Tower and tube station. Archway has seven small parks and 2 large parks.
The name comes from the Archway bridge that was constructed in part of south Highgate for the minor road between south Highgate and Crouch End, Hornsey, in 1896. It had been attempted many occasions to make a tunnel for the Highgate bypass, to join the Great North Road by avoiding the steep Highgate Hill and Highgate village's narrow roads. Unfortunately, these tunnels failed on collapsing.
Archway designates the smaller than 0.4 square miles catchment of its underground station when compared with all other stations. The official parishes and neighbourhoods inside its definition are Highgate and Upper Holloway with a small part of Islington. In modern times, Upper Holloway is usually restricted to the smaller catchment around its own railway station and post office.
Seven bus routes end or begin at Archway and the term became popular amongst most Londoners when its tube station abandoned the earlier name of Highgate. The Archway Road is part of the A1 or Great North Road, which is among the original toll roads. From 1813-1864, Archway was the location of a toll gate. A plaque on the block of flats at 1 Pauntley Street commemorates the gate.
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
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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
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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
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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
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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
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London - W3
Enquiry from: Chris R
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Front of house approximately 6M fix the damp proofing externally. Red brick 1920s terraced proofing
London - SE27
Enquiry from: William P
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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
Bexley - DA5
Enquiry from: Chloe N
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Need someone to look at some damp & timber issues raised on a property survey which we are purchasing if possible please
Potters Bar - EN6
Enquiry from: Priyanka R
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To review the damp, see the source, take damp readings and advise the best course of action
Pinner - HA5
Enquiry from: Kiran M
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Damp wall in daughter’s bedroom. Find and fix the issue
Harrow - HA3
Enquiry from: Mukund V
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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
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I have a damp patch on the wall in my kitchen
London - SW16
Enquiry from: Aamir R
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My bedroom roof got damp marks. Need to fix that
London - SW16
Enquiry from: Cam I
Start Date: Immediate
Damp proofing enquiry
Ilford - IG2
Enquiry from: Alok A
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Anti-Mould, Damp painting required for the entire 2/3 bedroom flat including cleaning existing mould etc
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
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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.
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.
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!
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