Extensions including garage conversions will often require supplementary damp proofing to be installed as part of conversion, as the existing garage normally has a single skin design for walls and floors, which was not manufactured to be in accordance with building regulations for habitable rooms. This damp proofing will have to be added to walls and floors. Moreover, the roof of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will in most cases 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 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 may need to be improved as part of the conversion to be able to adhere to current building regulations. The walls should be damp proofed in order to protect the brickwork from rotting gradually as moisture sets in. This can be performed 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 integral part of the building regulations that the garage conversion will need to comply with, therefore is it important to make sure 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
| 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 Flint in May 2026
Requests for Damp proofing quotations in Flint in May 2026. 0% change from April 2026.
Requests for Damp proofing quotations in Clwyd in May 2026. 0% change from April 2026.
Flint is a town in Flintshire, Wales, laying on the estuary of the River Dee. Flint lies in north-east Wales, adjoining the River Dee, to the north of the town of Mold. Over the River Dee, the Wirral can be seen from Flint and views to the south of the town feature Halkyn Mountain. Flint is found less than 12 miles from the English city area of Liverpool, and even closer to its metro location. However, a result of the two bays and rivers in between, driving distance is virtually two times as long. The name relates to the stoney platform on which the castle was built, and was initially documented in 1277 in the French form 'le Chaylou'. Flint has the oldest town charter in Wales, dating from 1284. It was formerly Flintshire's county town, and is today the third largest town in the county. In accordance with the 2001 Census, the permanent resident population of the town of Flint was 12804, which increased to 12953 at the 2011 Census. About 18 per cent of the local population recognized themselves as Welsh, although the census had no tick box enabling them to do so. In 2011, Welsh identity was included and 57.1 per cent specified that they had Welsh, Welsh and British or other combined identity. A lot of people in Flint have some understanding of the Welsh language, although competence does vary. English is the primary spoken language to be heard across the town. One of the town's most eye-catching images is the group of 3 tower blocks of flats near the town centre, which were constructed in the 1960s. For all of your home improvements, make certain to identify trustworthy professionals in Flint to make certain of quality.
At Home Energy Save GB Ltd we are specialists in all fields of damp proofing and energy efficiency within the home. Whether your problem is loft condensation, rising damp, penetrating damp, black mould or simply heat loss then we can help. We sp...
Phone consultant was lovely and polite. Barry came out to review our home and was very professional, friendly and gave ...
Welcome to Heatseal Insulation Ltd We are National Loft insulation and Damp Proofing specialists covering most of the UK. Our objective is to provide an outstanding & reliable service to all our customers offering the latest technology to the Dome...
Good advice, clear understanding of the problem and solution
Bagillt, Flint - CH6
Enquiry from: Nigel M
Start Date: Immediate
mould removal in bedroom approx. 1 sg metre Are you the property owner: Owner of the property How many rooms do you need damp proofing: 1-2 Rooms Property Type: Terrace Please call to appoint
Chester - CH4
Enquiry from: Isabel M
Start Date: Immediate
We have a damp smell at the front of the house and an obvious area of damp in the kitchen. We will need a survey before commencing any work. How much is a full survey for a 4 bed semi-detached please...
Wrexham - LL12
Enquiry from: Laura H
Start Date: Immediate
we are in the process of buying this property and have had a level 2 rics survey flag up damp within the main walls at low level on the external and internal walls. we are after a quote to fix this is...
Wrexham - LL11
Enquiry from: Simon L
Start Date: Immediate
Detached house. 9” walls no cavity requires remedial damp proof course.
Wrexham - LL12
Enquiry from: Ben C
Start Date: Immediate
we keep having issues with damp in a few areas of the house, potentially due to overgrown plants in the gutter and windows that might need replacing but obviously i'm unsure. just looking to initially...
Wrexham - LL11
Enquiry from: Neil J
Start Date: Immediate
We are selling our home the buyer has had a basic survey done which has flagged up damp the details of which we are not privy to.The previous owner had the walls injected about 20 years ago and we hav...
Wrexham - LL11
Enquiry from: Phil S
Start Date: Immediate
Damp walls, visible damp patches on door and walls.hole in wall in utility plus upstairs around windows.
Wrexham - LL11
Enquiry from: Pamela P
Start Date: Immediate
Rising damp internal wall possibly in extension
Wrexham - LL11
Enquiry from: Paul H
Start Date: Immediate
Tennant reported damp around chimney and suspected rising damp, we would like someone other than have a look at the problem and potential remedies The Estate agent has visited and has some photos of...
Chester - CH3
Enquiry from: Matt H
Start Date: Immediate
Damp patches on interior walls
Chester - CH3
Enquiry from: Dan C
Start Date: Immediate
Two joists with water damage under old bath
Wrexham - LL11
Enquiry from: Mat S
Start Date: Immediate
Mould on walls due to damp issues
Wrexham - LL12
Enquiry from: Karen J
Start Date: Immediate
damp course repointing of bricks are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: terrace please call to appoint
Wrexham - LL11
Enquiry from: Dawn K
Start Date: Immediate
my 1860s stone property (one wall) was tanked 15 years ago. it didn't work. salts coming through the walls badly, plaster and paint will not stay on the walls. the wall is partially below ground (on ...
Chester - CH1
Enquiry from: Pavan M
Start Date: Immediate
I got damp and its leading to mould inside some rooms and hall way. Looking for some one to find the reason for it and solution.
Chester - CH4
Enquiry from: Sally D
Start Date: Immediate
House checking for damp areas. Initial to carry out a survey around the whole house and recommend any remediation required
Deeside - CH5
Enquiry from: Tom E
Start Date: Immediate
Damp visible in ceiling in master bedroom (attic above) and sitting room
Chester - CH2
Enquiry from: Noel D
Start Date: Immediate
good afternoon, we are currently looking at the conversion of a farmhouse and adjacent redundant barn into holiday cottages and a management office. there has also been a survey completed on the exis...
Chester - CH1
Enquiry from: Jayne H
Start Date: Immediate
We are selling our house and want to put the damp identified on the survey right.
Chester - CH2
Enquiry from: Stefanie P
Start Date: Immediate
Mould found in loft- could you provide an assessment and advice on treatment? Please can you provide information on pricing? Do you operate in Chester? Thank you
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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.
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.
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