Damp Proofing in County Down

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Damp Proofing in County Down

Extensions including garage conversions will typically require additional damp proofing to be installed during the conversion, as the pre-existing garage will typically have a single skin design for walls and floors, which was not manufactured to comply with building regulations for habitable rooms. This damp proofing will have to be added to walls and floors. Additionally, the roof 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 by using a damp proof membrane. This membrane will come in either solid or liquid form. The damp proof membrane will be placed down either on top of the pre-existing concrete floor, below the new floor, or as part of both, depending on whether the floor will be a solid or a floating floor. In a few garages, the walls will have already been damp proofed, but this may need to be updated as part of the conversion to be able to comply with current building regulations. The walls should be damp proofed to be able to safeguard the brickwork from rotting gradually as moisture sets in. This is accomplished 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 a part of the building regulations that the garage conversion will need to comply with, therefore is it vital to ensure that your garage conversion makes use of appropriate damp proofing methods.

Average Damp proofing cost in County Down

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 Down, as reported by local LeadsDoWork members.

Damp proofing installation cost in County Down 2026

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

Damp proofing searches in June 2026

Damp proofing Projects in County Down in May 2026

2,960

Requests for quotations in County Down in May 2026

0

Requests for Damp proofing quotations in County Down in May 2026. 0% change from April 2026.

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

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

Damp proofing searches in cities and towns near County Down May 2026

Damp proofing near you

County Down

County Down is situated towards to south east of Northern Ireland and has a population of 49,840, which is the 4th greatest of any region in the country. It is home to the east and south side of the capital city of Belfast, plus the city of Newry, with Bangor its biggest town. As a modern day city there are a lot of new houses from the past few decades. Regardless of this, often there is the need for home maintenance and regardless of whether you live in a modern or traditional home, be certain to work with reputable tradespeople for your household upgrades.

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Similar Customer Enquiries for Damp proofing in County Down

16 Mar

Building work | Damp Proofing

Newry (South Down section) - BT34

Enquiry from: Martin A

Start Date: Immediate

Damp Proof injections on all external walls

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08 Jan

Building work | Damp Proofing

Newry (South Down section) - BT34

Enquiry from: Adrian L

Start Date: Immediate

water getting through window and damp on back wall are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: terrace please call to appoint

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23 Dec

Building work | Damp Proofing

Newry (South Down section) - BT34

Enquiry from: Janet M

Start Date: Immediate

We had a bathroom leak downstairs 8 months after installation. All downstairs floors are ripped up wall damage as well 3 months using dimidifers moisture level.on concrete floors still at 40 per cent ...

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21 Nov

Building work | Damp Proofing

Newtownards - BT22

Enquiry from: Bevin G

Start Date: Immediate

I am looking for a quote to fix rising damp in 3 bedrooms.

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21 Nov

Building work | Damp Proofing

Downpatrick - BT30

Enquiry from: Colin R

Start Date: Immediate

rising damp issue requiring damp proof course are you the property owner: owner of the property how many rooms do you need damp proofing: 3-4 rooms property type: terrace please call to appoint

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10 Sep

Building work | Damp Proofing

Downpatrick - BT30

Enquiry from: Lee J

Start Date: Immediate

Treat rising damp which is causing paint peeling on party wall in hallway entrance and also on wall at front of house joining the main road, Also investigate cause of peeling paint close to window at...

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16 Jul

Building work | Damp Proofing

Newry (South Down section) - BT34

Enquiry from: Martin M

Start Date: Immediate

Survey of hall way and under stair cupboard area as suspect maybe Rising Damp in these areas

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12 Apr

Building work | Damp Proofing

Ballynahinch - BT24

Enquiry from: Olivia M

Start Date: Immediate

A professional to identify the source of the water ingress so the correct repairs can be made to prevent the issue reoccurring.

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16 Mar

Building work | Damp Proofing

Ballynahinch - BT24

Enquiry from: Grant R

Start Date: Immediate

Old red brick house has rising damp and I need to get a DPC inserted just small areas have rising damp

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14 Mar

Building work | Damp Proofing

Newry (South Armagh section) - BT35

Enquiry from: Brenda L

Start Date: Immediate

Bedroom on gable wall seems to have rising damp

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02 Feb

Building work | Damp Proofing

Banbridge - BT32

Enquiry from: Emma M

Start Date: Immediate

hi. can i get a quote please are you the property owner: owner of the property how many rooms do you need damp proofing: 5+ rooms property type: detached please call to appoint

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02 Jan

Building work | Damp Proofing

Banbridge - BT32

Enquiry from: Gordon B

Start Date: Immediate

Damp appearing in corner of internal walls in kitchen/dining room

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30 Dec

Building work | Damp Proofing

Newry (South Armagh section) - BT35

Enquiry from: Thomas M

Start Date: Immediate

Rising damp and condensation

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30 Nov

Building work | Damp Proofing

Waringsford - BT25

Enquiry from: Geraldine H

Start Date: Immediate

I am not presently based in UK. I have a period property located in Dromore, Co. Down which has a few damp proof issues. I have the property presently on the market. However, I am now reluctant to sel...

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29 Oct

Building work | Damp Proofing

Newry (South Down section) - BT34

Enquiry from: Nuala B

Start Date: Immediate

Damp in two bedrooms. There is a musty damp smell in both rooms. Not sure what damp Damp proofing is or whether it is essential or whether this is the only way to fix the problem. I can send photos...

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14 Oct

Building work | Damp Proofing

Newtownards - BT23

Enquiry from: Susan R

Start Date: Immediate

Hi, we really need an urgent quote for what work would need to be completed as a home survey has thrown up a damp problem at the property. We’d love to complete the sale next week but need to agree ...

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21 Sep

Building work | Damp Proofing

Newtownards - BT23

Enquiry from: Alexander M

Start Date: Immediate

Need front wall injection pos all round house for damp

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13 Sep

Building work | Damp Proofing

Large Prk - BT26

Enquiry from: Shauneen C

Start Date: Immediate

damp survey and an intrusive survey of at-risk timbers and setting out proposals for remedial action of a house in Hillsborough. The property is a 2-storey terrace period type property with 2 storey r...

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23 Apr

Building work | Damp Proofing

Newry (South Armagh section) - BT35

Enquiry from: Margaret C

Start Date: Immediate

Damp assessment and treatment

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18 Apr

Building work | Damp Proofing

Newtownards - BT23

Enquiry from: Rochell C

Start Date: Immediate

Damp survey. Damp seems to be confined to the living room

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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.

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.

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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