Damp Proofing in County Antrim

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Damp Proofing in County Antrim

Extensions including garage conversions will often require supplementary damp proofing to be installed during the conversion, as the existing garage will typically have 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 should be put into 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 usually be performed by employing 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 updated 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 gradually 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 present in the garage. Damp proofing is an integral part of the building regulations that the garage conversion should comply with, therefore is it necessary to make sure that your garage conversion makes use of suitable damp proofing methods.

Average Damp proofing cost in County Antrim

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

Average price per Damp proofing job in 2026

Avg. price low

Avg. price low
£1,125
Avg. price

Avg. price
£1,500
Avg. price high

Avg. price high
£1,725

£1900

£1425

£950

£475

£0

Prices based on actual Damp proofing costs for County Antrim, as reported by local LeadsDoWork members.

Damp proofing installation cost in County Antrim 2026

Labour cost £1,050
Material cost £375
Waste removal £75
Time frame: 3-5 days

Damp proofing searches in July 2026

Damp proofing Projects in County Antrim in June 2026

10,165

Requests for quotations in County Antrim in June 2026

0

Requests for Damp proofing quotations in County Antrim in June 2026. 0% change from May 2026.

0

Requests for Damp proofing quotations in Northern Ireland in June 2026. 0% change from May 2026.

Source: Numbers calculated based on the search volumes in major search engines

Damp proofing searches in cities and towns near County Antrim June 2026

Damp proofing near you

County Antrim

County Antrim is one of Northern Ireland's six counties having a population of little over 616,000, making it the biggest area by inhabitants in Northern Ireland. It's situated in the northeast of the country and is within the historical province of Ulster. County Antrim furthermore houses the city of Lisburn, plus the big towns of Antrim, Ballymena, Larne and Newtownabbey. Enhancing your County Antrim house is essential to retaining home value and appeal, so use only local and vetted tradespeople in your neighborhood.

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Similar Customer Enquiries for Damp proofing in County Antrim

26 Jun

Building work | Damp Proofing

Belfast - BT9

Enquiry from: Bryan M

Start Date: Immediate

Rising damp in entrance lobby. Wall paper peeling off and damp rising about 2 ft up the wall. No evidence of rising damp elsewhere on the ground floor

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17 Jun

Building work | Damp Proofing

Ballymena - BT42

Enquiry from: Kenny K

Start Date: Immediate

raising damp and spray treatment to all wood work

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03 Apr

Building work | Damp Proofing

Belfast - BT8

Enquiry from: Michelle D

Start Date: Immediate

Damp proofing course, we will do the replastering so quote me only for a damp proofing course for a detached 4 bedroom house. It needs the damp proofing course all around the premiters of the house. G...

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18 Mar

Building work | Damp Proofing

Belfast - BT7

Enquiry from: Christine D

Start Date: Immediate

Rising damp in the main entrance hallway to the surgery.

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31 Jan

Building work | Damp Proofing

Newtownabbey - BT37

Enquiry from: Mark K

Start Date: Immediate

Damp showing at the Gable end of the house. Please get me a quote for diagnosis and treatment

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11 Dec

Building work | Damp Proofing

Portrush - BT56

Enquiry from: Steve R

Start Date: Immediate

there is a damp issue to be sorted on the ground floor of this manor building - in 2 flats would like a quote to be carried out - preferably between 20-dec & 2-jan but can get access at other times ...

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17 Sep

Building work | Damp Proofing

Duneight - BT27

Enquiry from: Emma W

Start Date: Immediate

Home buyer survey showed damp in living room gable wall

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16 Jul

Building work | Damp Proofing

Belfast - BT15

Enquiry from: Alice T

Start Date: Immediate

Damp proofing Lead Damp proofing Lead

Just had a survey completed on a house we’re purchasing and looking to get quotes based on the damp they found in the property. Dampness found around the following sites in the house and just looki...

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26 Jun

Building work | Damp Proofing

Carrickfergus - BT38

Enquiry from: Korben S

Start Date: Immediate

Mould on one side of the home, looks like an issue with internet and exterior via rendering etc but unsure

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21 Jun

Building work | Damp Proofing

Ballymoney - BT53

Enquiry from: Daryoush H

Start Date: Immediate

Hi, I would like a visit from your specialist to prepare me a report on damp, black mould, Kind regards

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03 Jun

Building work | Damp Proofing

Belfast - BT9

Enquiry from: Christina T

Start Date: Immediate

There are patches of damp on the chimney wall that I would like to get sorted out.

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15 May

Building work | Damp Proofing

Duneight - BT27

Enquiry from: Helen J

Start Date: Immediate

I am looking for a quote for damp proofing a whole house I am interested in purchasing.

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02 May

Building work | Damp Proofing

Ballymena - BT43

Enquiry from: Derek L

Start Date: Immediate

Im sure ,so I would like a survey done to find the solution

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12 Mar

Building work | Damp Proofing

Ballymena - BT43

Enquiry from: Steve R

Start Date: Immediate

assess and quote for damp proofing

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18 Feb

Building work | Damp Proofing

Belfast - BT9

Enquiry from: Carl P

Start Date: Immediate

Hi there! I had a homebuyers report done on the property and was advised to seek a damp specialist to inspect and advise based on "high damp meter readings taken throughout the original property at gr...

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29 Jan

Building work | Damp Proofing

Ballymena - BT42

Enquiry from: Sharon M

Start Date: Immediate

Survey to establish cause of damp

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27 Jan

Building work | Damp Proofing

Belfast - BT13

Enquiry from: Mark M

Start Date: Immediate

Mold showing on bedroom ceiling and some walls.

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23 Jan

Building work | Damp Proofing

Ballymena - BT42

Enquiry from: Jamie R

Start Date: Immediate

Need a survey on damp, condensation build up

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25 Nov

Building work | Damp Proofing

Newtownabbey - BT36

Enquiry from: Julie H

Start Date: Immediate

Got roof replaced and insulated, also cavity wall insulation. Still getting damp round ceiling and wall joining into ceiling in our bedroom. Probably condensation damp as window always wet next morn...

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24 Nov

Building work | Damp Proofing

Ballymoney - BT53

Enquiry from: Jade B

Start Date: Immediate

hello, we had a small amount of damp in one of our rooms, had a wood burning stove with flexi flue liner fitted earlier this year and over the last few days have had a large damp patch appear on the ...

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FAQs

How can I tell what type of damp I’ve got?

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.

How quickly can I redecorate my walls after damp proofing has been installed?

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.

How can I tell if my property has damp?

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.

Why is it important to fix a damp problem?

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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