Extensions such as garage conversions will often require supplementary damp proofing to be installed as part of conversion, as the existing garage will typically have a single skin design for walls and floors, which was not built to comply with building regulations for habitable rooms. This damp proofing will need to 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 often be performed by by using 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 pre-existing concrete floor, underneath 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 have been damp proofed, but this may need to be improved as part of the conversion to be able to comply with current building regulations. The walls will need to be damp proofed in order to protect 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 in the garage. Damp proofing is an important part of the building regulations that the garage conversion should adhere to, and so is it vital 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 |
Requests for quotations in Knebworth in December 2024
Requests for Damp proofing quotations in Knebworth in December 2024. 0% change from November 2024.
Requests for Damp proofing quotations in Hertfordshire in December 2024. 0% change from November 2024.
Knebworth is a village as well as civil parish in the north of Hertfordshire, England, immediately south of Stevenage. The civil parish covers a location in between the villages of Datchworth, Woolmer Green, Codicote, Kimpton, Whitwell, St Paul's Walden as well as Langley, and includes the village of Knebworth, the little village of Old Knebworth as well as Knebworth House. There is evidence of individuals residing in the location as far back as Neolithic times and also it is pointed out in the Domesday Book of 1086 where it is referred to as Chenepeworde (the ranch belonging to the Dane, Cnebba) with a population of 150. The original village, now called Old Knebworth, created around Knebworth House. Growth of the newer Knebworth village began in the late 19th century centred a mile to the east of Old Knebworth on the brand-new railway station and also the Great North Roadway (ultimately the A1, and now the B197 since the opening of the A1(M) motorway in 1962). At the millenium the architect Edwin Lutyens constructed Homewood, southeast of Old Knebworth, as a dower residence for Edith Bulwer-Lytton. Her child, the suffragette Constance Lytton additionally lived there, until prior to her fatality in 1923. Knebworth has, since 1974, been famously related to many major open air rock as well as pop shows at Knebworth House, including Queen's last real-time efficiency which occurred on 9 August 1986 and drew a participation estimated at 125,000, Lynyrd Skynyrd, Oasis playing to a quarter of a million individuals for 2 nights in 1996 and more lately Robbie Williams, that for 3 evenings in August 2003 done to the biggest crowds ever assembled for a solitary performer. Statistics from UK Census 2011: All Residents: 5,247.
Knebworth - SG3
Enquiry from: Stephanie W
Start Date: Immediate
We are about to purchase a new home and a number of points have come up in the survey re damp that we would like a specialist to look into and carry out the work. We can provide full details of the r...
Knebworth - SG3
Enquiry from: Stephanie W
Start Date: Immediate
Quite required for a number of areas including adding and lowering a damp course and other potential damp resolve issues around the property, checking for damp in timbers/flooring
Waltham Abbey - EN9
Enquiry from: Wendy M
Start Date: Immediate
Construction hearth damp. Damp inside hearth only found due to plinth movement
Waltham Cross - EN8
Enquiry from: Jemma R
Start Date: Immediate
I have rising damp in my hallway near the staircase and I also damp near the front door on the opposite wall. There seems to be. lot of damp, even water around the stopcock which is in the same area n...
Waltham Cross - EN8
Enquiry from: Slim G
Start Date: Immediate
Damp and musty smell of a converted garage
Radlett - WD7
Enquiry from: Marilyn W
Start Date: Immediate
Damp survey on ground floor. Possibly rising damp and separate issue of damp on first floor in one bedroom at ceiling height
Potters Bar - EN6
Enquiry from: Gabriella S
Start Date: Immediate
We are potential buyers of this property and have had a survey carried out which has shown elevated moisture content in the front walls of the property below the windows downstairs. We require a thoro...
Waltham Abbey - EN9
Enquiry from: Len H
Start Date: Immediate
damp spot that has pushed plaster and render from wall on internal wal
Waltham Cross - EN8
Enquiry from: Adila T
Start Date: Immediate
We have been experiencing severe rising damp
Waltham Cross - EN8
Enquiry from: Adila T
Start Date: Immediate
We have been experiencing severe rising damp
Waltham Abbey - EN9
Enquiry from: Ann M
Start Date: Immediate
black mould on ceiling and wall in upstairs front bedroom are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: semi detached please cal...
Waltham Abbey - EN9
Enquiry from: Ann M
Start Date: Immediate
black mould on ceiling and wall in upstairs front bedroom are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: semi detached please cal...
Waltham Abbey - EN9
Enquiry from: James D
Start Date: Immediate
Damp coursing required House is semi detached 2 x walls minimum
Waltham Abbey - EN9
Enquiry from: Ann M
Start Date: Immediate
black mould on ceiling and wall in upstairs front bedroom are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: semi detached please cal...
Waltham Cross - EN8
Enquiry from: Lorna C
Start Date: Immediate
Inspection of mold and help locating the cause. On a child’s bedroom, outside wall
Waltham Abbey - EN9
Enquiry from: Korhan G
Start Date: Immediate
damp proof treatment is needed at the entrance of the property
Hemel Hempstead - HP1
Enquiry from: Caroline J
Start Date: Immediate
damp proofing in basement
Hemel Hempstead - HP1
Enquiry from: Caroline J
Start Date: Immediate
damp proofing in basement
Waltham Abbey - EN9
Enquiry from: JULIAN T
Start Date: Immediate
DAMP ON INTERNAL WALLS IN KITCHEN AND RECEPTION
Hemel Hempstead - HP1
Enquiry from: Gagan K
Start Date: Immediate
Inspection of damp or leak
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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.
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!
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