Damp Proofing in Portrush

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Damp Proofing in Portrush

Extensions including garage conversions will usually require extra damp proofing to be added during the conversion, as the pre-existing garage normally has a single skin design for walls and floors, which was not designed to conform to building regulations for habitable rooms. This damp proofing will have to be put into walls and floors. Moreover, the roofing 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 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 a few garages, the walls will have already been damp proofed, but this might 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 to be able to safeguard the brickwork from rotting gradually as moisture sets in. This can be done 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 important part of the building regulations that the garage conversion will need to adhere to, therefore is it necessary to ensure that your garage conversion employs suitable damp proofing methods.

Average Damp proofing cost in Portrush

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 Portrush, as reported by local LeadsDoWork members.

Damp proofing installation cost in Portrush 2026

Labour cost £1,050
Material cost £375
Waste removal £75
Time frame: 3-5 days
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Similar Customer Enquiries for Damp proofing in and around Portrush

09 Sep

Damp proofing

Ballymoney - BT53

Enquiry from: REBECCA K

Start Date: Immediate

Find cause damp in lounge

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13 Mar

Damp proofing

Coleraine - BT51

Enquiry from: Gordon C

Start Date: Immediate

Several points around the house which look like there may be a damp problem - inspection and advice required

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17 Jan

Damp proofing

Portstewart - BT55

Enquiry from: Gregg R

Start Date: Immediate

We are currently experiencing damp penetrating in two areas of our house: 1. Through a wall at the the front of our house. The area is under large bay window 2. In the corner of our porch, above a s

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11 Dec

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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21 Jun

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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28 Jan

Damp proofing

Coleraine - BT51

Enquiry from: John P

Start Date: Immediate

Wall in bungalow bedroom feels wet from time to time, wetness is lower part of wall. Looking for a qualified person to inspect and recommend solutions as necessary

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24 Nov

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 w

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21 Nov

Damp proofing

Portstewart - BT55

Enquiry from: Maud F

Start Date: Immediate

Tenants say there is mould . Could you advise re putting this right

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FAQs

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.

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.

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!

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.

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