Extensions including garage conversions will usually require additional 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 manufactured to conform to building regulations for habitable rooms. This damp proofing should be put into walls and floors. Moreover, 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 employing 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 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 updated 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 can be carried out by either using 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, and so is it important 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
| 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 Bradford-on-avon in May 2026
Requests for Damp proofing quotations in Bradford-on-avon in May 2026. 0% change from April 2026.
Requests for Damp proofing quotations in Wiltshire in May 2026. 0% change from April 2026.
Bradford on Avon is a town and civil parish in west Wiltshire, England, with a population of about 9,402 at the 2011 Census. The town lies partially around the Avon Valley, and partially on the hill that marks the Vale's western edge, 8 miles southeast of Bath, in the hilly countryside among the Mendip Hills, Salisbury Plain as well as the Cotswold Hills. The local area around Bath provides the Jurassic limestone (Bath Stone) which is used as a building material for the town's historic buildings are built. The River Avon (Bristol Avon) flows through the town. The town neighbours Trowbridge towards the south east. The town consists of the suburban areas of Bearfield and Woolley; the parish includes the hamlets of Widbrook and Woolley Green. The town's canal, original buildings, shops, pubs and restaurants make it attractive to tourists. The history of the town can be traced back to the Roman period. It has a number of buildings dating from the seventeenth century, when the town grew because of the thriving English woollen textile industry. A unique attraction in Bradford on Avon is the big Grade II* listed tithe barn, referred to as the Saxon Tithe Barn, which is 180 feet by 30 feet and was constructed in the 14th century and is now part of Barton Farm Country Park. The barn would have been used for collecting taxes in the form of goods in order to fund the church. There are lots of notable buildings in and around the town centre. Many of the historic textile factories have been converted into modern flats and apartments, although a handful of the buildings are still used nowadays for their traditional purpose. For all your property improvements, make certain that you use trustworthy pros in Bradford on Avon to make sure you get a great quality service.
Hello and welcome to my page. We are a Family run building business with over 20 years in the building industry. We offer a verity of services this includes: Damp proofing specialists, Bricklaying Landscaping Groundwork’s/ drainage Roof repairs Poi...
Knowledgable about the problem.
Bradford-on-Avon - BA15
Enquiry from: Amanda B
Start Date: Immediate
hello we have two windows in the same room. one had issues with the gutter which is now sorted. not sure if there is an underlying issue with the other. i think the damp course has been breached on b...
Bradford-on-Avon - BA15
Enquiry from: Simon J
Start Date: Immediate
clear signs of damp in a corner area of a ground floor study. flaky paint, mould, rotten skirting board are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2...
Bradford-on-Avon - BA15
Enquiry from: Andy J
Start Date: Immediate
Damp proofing in sitting room required (cause and treatment)
Bradford-on-Avon - BA15
Enquiry from: Cassie B
Start Date: Immediate
We have had our dishwasher removed in the kitchen and there is an area of damp/mould which we would like someone to take a look at.
Bath - BA1
Enquiry from: Helen S
Start Date: Immediate
Breach of damp roofing at base of stairs.
Radstock - BA3
Enquiry from: Thomas Y
Start Date: Immediate
A survery has identified widespread damp at ground-floor level and concerns that the existing damp-proof course may not be operating effectively. There are also indications of possible ongoing moistur...
Bristol - BS5
Enquiry from: William S
Start Date: Immediate
walls damp proof.. I've got rising damp in some places in my house
Bristol - BS16
Enquiry from: Anna D
Start Date: Immediate
Full house survey for a property we are buying. Property is a three bed terrace house. It doesn’t have a basement or a loft conversion.
Frome - BA11
Enquiry from: Melissa T
Start Date: Immediate
Rising damp issue needs survey
Frome - BA11
Enquiry from: Jess P
Start Date: Immediate
Is it possible to have someone come and look at the room I have damp in and see if they can work out what the problem is? I think it is coming in from outside but am worried about the white fur that k...
Bristol - BS30
Enquiry from: Rianne S
Start Date: Immediate
Area of damp above tiled floor/tiled skirting in kitchen. Started a few weeks ago
Frome - BA11
Enquiry from: Natasha A
Start Date: Immediate
Obvious damp issues in a couple of the rooms. We're looking for help identifying what the issue is, what needs to be done to fix it and a quote for the associated costs.
Frome - BA11
Enquiry from: Monica N
Start Date: Immediate
There are a few ongoing damp issues: Suspected rising damp along the external wall of the house. Historical leak from bathtub that we would like structural damage to be assessed Leak on bedroom ce...
Radstock - BA3
Enquiry from: Holly S
Start Date: Immediate
We have a damp area on an exterior wall in the kitchen and also an interior wall.
Bristol - BS4
Enquiry from: Shoba H
Start Date: Immediate
Peeling paint by door. Mould on anything left touching wall. Basement flat that was completely taken to brick and tanked when converted.
Bath - BA2
Enquiry from: Alice L
Start Date: Immediate
i've been in the house 3 years and i suspect when i viewed the property, a treatment/anti-damp paint was applied to disguise the problem. after moving in, a small section of damp appeared in a small a...
Radstock - BA3
Enquiry from: Huw B
Start Date: Immediate
Gable end wall has damp issues
Frome - BA11
Enquiry from: Jayne P
Start Date: Immediate
Hello, I wanted to enquire about a damp survey/consultation. We recently had a survey but would like a second opinion on the cause and possible solutions. There are 2 issues we would like looked at...
Frome - BA11
Enquiry from: Joe L
Start Date: Immediate
Review cause of mould in two rooms and provide cost for remediation if required.
Frome - BA11
Enquiry from: Elissa S
Start Date: Immediate
We recently received our building survey report back from Connells Survey and Valuations, regarding a property. The report has raised a few areas of concern, which we would like to have checked ou...
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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.
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.
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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