Damp Proofing in Treharris

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Damp Proofing in Treharris

Extensions such as garage conversions will usually require extra 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 built to conform to building regulations for habitable rooms. This damp proofing should be added to walls and floors. Furthermore, the roof of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will in most cases be performed by utilising a damp proof membrane. This membrane will come in either solid or liquid form. The damp proof membrane will be put down either on top of the pre-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 may have to be updated as part of the conversion in order to comply with current building regulations. The walls will need to be damp proofed in order to protect the brickwork from rotting slowly as moisture sets in. This is carried out by either implementing damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is an integral part of the building regulations that the garage conversion will need to adhere to, therefore is it important to make sure that your garage conversion incorporates suitable damp proofing methods.

Average Damp proofing cost in Treharris

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 Treharris, as reported by local LeadsDoWork members.

Damp proofing installation cost in Treharris 2026

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

Treharris is a village and community (and also selecting ward) in the Taff Bargoed Valley in the south of Merthyr Tydfil County Borough, South Wales. It lies about 0.6 miles (1.0 km) west of Trelewis, where it is divided by the Taff Bargoed river, and also 0.9 miles (1.4 kilometres) from Nelson in Caerphilly county borough and also has a population of 6,252, boosting to 6,356 at the 2011 Census. As a community, Treharris consists of the villages of Quakers Yard as well as Edwardsville. As a result of steepness as well as narrowness of both the Taff and also Taff Bargoed valleys at Treharris several significant bridges and viaducts have actually been integrated in the location. Throughout the early 21st century, like many ex-mining villages in the location, Treharris underwent considerable regrowth to the town/village centre. A lot of, if not every one of the land where Deep Navigating was located has been designed as well as is currently part of the new Parc Taff Bargoed, where a number of the local football and also rugby teams train and play.

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Similar Customer Enquiries for Damp proofing in and around Treharris

21 Sep

Damp proofing

Bridgend - CF32

Enquiry from: Jennifer D

Start Date: Immediate

The ground floor has been reported as very damp in the property survey report. I would like to understand the condition of the floors to know if remedial works are needed

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01 Jun

Damp proofing

Newport - NP10

Enquiry from: Leonard C

Start Date: Immediate

Identify and provide solutions to resolve damp issues

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14 May

Damp proofing

New Tredegar - NP24

Enquiry from: Laura C

Start Date: Immediate

Tenant has some damp areas in house so need a quote/survey

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13 Nov

Damp proofing

Pontypridd - CF37

Enquiry from: Lisa M

Start Date: Immediate

DPC last done 27 years ago and we are selling. the surveyor has advised a new DPC at our cost, this is a three bed Victoria style semi on (address removed) Please can you send me a quote

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12 Nov

Damp proofing

Bridgend - CF32

Enquiry from: Stuart G

Start Date: Immediate

Downstairs outside walls at back have damp. Probably caused by the rendering down to floor level with no gap

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12 Nov

Damp proofing

Porth - CF39

Enquiry from: Janet L

Start Date: Immediate

Remove remaining render, identify problem,damp proof, re-render and plaster. This is inside of pine end wall

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08 Sep

Damp proofing

Newport - NP11

Enquiry from: Mark W

Start Date: Immediate

I need a property I’m interested in buying surveyed for damp, the property is a few hundred years old with flag stones, I’m aware the floor will need doing and possibly tanking of the entire groun

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25 Aug

Damp proofing

Ebbw Vale - NP23

Enquiry from: Sarah B

Start Date: Immediate

To determine source of damp and correct it

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30 Jul

Damp proofing

Newport - NP20

Enquiry from: Darlene R

Start Date: Immediate

I don't live here at mo

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25 Jul

Damp proofing

Pontypridd - CF37

Enquiry from: Ryan J

Start Date: Immediate

The bathroom shows signs of excess damp and mould. It’s an extension and I would like a quote to help me look at remedies to solve it

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22 Jul

Damp proofing

Caerphilly - CF83

Enquiry from: Natalie A

Start Date: Immediate

I have what looks like rising damp in my living room

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06 Jul

Damp proofing

Cardiff - CF14

Enquiry from: Sandra D

Start Date: Immediate

Advice for damp patch in hall

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22 Apr

Damp proofing

Newport - NP11

Enquiry from: Aneta M

Start Date: Immediate

Diagnosing damp problem , cost for treatment

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14 Feb

Damp proofing

Caerphilly - CF83

Enquiry from: Andrew B

Start Date: Immediate

Damp proofing Lead Damp proofing Lead Damp proofing Lead Damp proofing Lead Damp proofing Lead

Lower front living room wall touching some of the side wall; i am not sure whether it is mould or damp. but the wall is cold, so i think it might be damp due to lacking good ventilation

Property: terrace

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12 Feb

Damp proofing

Cardiff - CF14

Enquiry from: Rohaan S

Start Date: Immediate

Discovered a few patches of damp, I would like a free quote so I know how much it will cost to repair

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28 Jan

Damp proofing

Ebbw Vale - NP23

Enquiry from: Oliver W

Start Date: Immediate

Hi, I have recently purchased a property and during the building inspection wood destroying fungi was noted to the timbers below the rear pitched valleys. The attack appears to be wet rot, Fibroporia

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17 Jan

Damp proofing

Blackwood - NP12

Enquiry from: Adrian M

Start Date: Immediate

I have a lot of damp inside the house on the front and pine end

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07 Jan

Damp proofing

Pontypridd - CF37

Enquiry from: Frances R

Start Date: Immediate

Possible rising damp but could also be qater leak. Exploration of source of problem, assessment and quote

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01 Jan

Damp proofing

Tredegar - NP22

Enquiry from: Jason M

Start Date: Immediate

Penetrating damp on the weather facing side of the house affecting 2 floors

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17 Dec

Damp proofing

Ebbw Vale - NP23

Enquiry from: Jacqui M

Start Date: Immediate

Raising damp in on back wall and chimney breast in dining 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 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 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!

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Treharris Damp proofing pros are rated 5 out of 5 on average: 1 rated pros, 1 reviews, of 5 pros covering the area.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Damp proofing projects that have been connected with Damp proofing pros to help them. All Damp proofing contractors All Treharris Damp proofing contractors

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