Damp Proofing Costs

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Damp proofing

Extensions including garage conversions will often require extra damp proofing to be added during the conversion, as the existing garage normally has a single skin design for walls and floors, which was not manufactured to comply with building regulations for habitable rooms. This damp proofing will need to be put into walls and floors. In addition, the roofing of the garage conversion will need water proofing.

The damp proofing of 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 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 some garages, the walls will have already been damp proofed, but this might have to be improved as part of the conversion in order to meet current building regulations. The walls will need to be damp proofed in order to safeguard the brickwork from rotting gradually as moisture sets in. This can be done by either making use of damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is a part of the building regulations that the garage conversion should adhere to, and so is it important to ensure that your garage conversion makes use of suitable damp proofing methods.

Average Damp proofing cost

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 2021

Avg. price low

Avg. price low
£813

Avg. price

Avg. price
£1,726

Avg. price high

Avg. price high
£2,863

£3000

£2250

£1500

£750

£0

Prices based on actual Damp proofing costs, as reported by local Quotatis members.

Damp proofing installation cost in 2021

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

Damp proofing Manufacturers

Damp proofing 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.

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 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.

JJS Pointing Company

Based: in Rotherham, S63

im james im a 25year old business man with 10years of experience in home improvements im honest and ...

Latest review

Ricki T., S66
5th June 2021

Building work | Damp Proofing in Rotherham

Excellent service and work.

Done Well Contractors

Based: in Reading, RG2

At Donewell Contractors we are a family run business that provides
a professional services with per...

Latest review

Steve F., MK6
21st May 2021

Building work | Damp Proofing in Milton Keynes

I spoke with Edward Doherty and gave him my tenant's contact number. After that I had...

1ST RESIDENTIAL ROOFING

Based: in London, NW11

I am 53 years of age and I am a third generation tradesman, trained by my father and uncles to a ver...

Latest review

Michael A., MK4
19th February 2020

Building work | Damp Proofing in Milton Keynes

Mr Patrick Cusack gave me excellent friendly advice and was a complete professional i...

TRADITIONAL ROOFING

Based: in London, HA0

TRADITIONAL ROOFING is based in London and have 4 positive reviews

Latest review

Amanda C., EN1
15th February 2017

Building work | Damp Proofing in Enfield

Patrick arrived promptly , he is a polite and courteous tradesman, very professional....

THE HIVE EFFICIENCY GROUP

Based: in Birmingham, B16

The Hive Efficiency Group supply and install a range of products to both residential and commercial ...

Latest review

Katherine L., OX17
4th March 2016

Building work | Damp Proofing in Banbury

Professional. Helpful.

SEAL

Based: in Chichester, PO209EA

SEAL is based in Chichester and have 4 positive reviews

Latest review

Rebecca T., SN11
14th October 2015

Building work | Damp Proofing in Calne

Good service

KLR PLASTERING SERVICES

Based: in Crewe, CW1

We are experts in plastering and property services. Whether you own a home or manage one, we can bui...

Latest review

B., CW5
8th December 2015

Building work | Damp Proofing in Nantwich

He never contacted us with a quote. Not heard from him atall. Complete waste of time.

TONBRIDGE CONSTRUCTION AND DAMP-PROOFING

Based: in Tonbridge, TN9

TONBRIDGE CONSTRUCTION AND DAMP-PROOFING is based in Tonbridge and have 1 positive reviews

Latest review

Andy L., TN12
3rd April 2015

Building work | Damp Proofing in Tonbridge

Very personable, honest and professional

Aquapol Scotland.

Based: in Edinburgh, EH1

Aquapol Scotland. is based in Edinburgh and have 1 positive reviews

Latest review

Pamela M., G67
7th March 2015

Building work | Damp Proofing in Cumbernauld

Aquapol are the only ones that have been in touch in

Rated Local damp proofing specialists

JJS Pointing Company

2 review(s)
Based: in Rotherham, S63 7AF

im james im a 25year old business man with 10years of experience in home improvements im honest and reliable and wont be beat on any like for like quotation

SRG CONTRACTS

32 review(s)
Based: in Motherwell, ML7 4LX

With over 30 years experience in the building trade, we cover all aspects of roofing and building maintenance. From the smallest of leaks to full roof replacements and installations of new roofs. We cover the whole of Scotland. We complete all of our...

Weatherdry Insulation Ltd

1 review(s)
Based: in Tamworth, B79 7XH

We are a company that specialises in Damp Proofing & Insulation. We have a 100% success rate in resolvong damp issues connected to RISING or PENETRATING damp. We offer a FREE, NO OBLIGATION damp survey.

SPRAYTEX WEATHERSHIELD COATINGS

2 review(s)
Based: in Leeds, LS21 3AB

Exterior rendering and wall coating specialists. We carry out all exterior rendering and exterior wall coating works for the outside of your property. All our work comes with a 15 year insurance backed guarantee which a lot of builders cannot offer. ...

Ulti-Mate Roofing & Construction

23 review(s)
Based: in West hanningfield, chelmsford, CM28UN

Ulti-mate roofing and construction are specialist approved contractors in roofing, modern roofline Products and construction installations We are a established business based in Essex that specialises in All types of Roofing, Building and ground w...

Protecting Home Energy

1 review(s)
Based: in Stockbridge, SO20 6DF

Protecting Home Energy is an experienced, professional, reliable and competitive service assisting you in saving money and keeping your greatest asset your home's energy efficient. This is through the use of our industry leading approved energy effi...

PR PROPERTY

5 review(s)
Based: in Pulborough, RH20 3GT

I am a self motivated individual that enjoys making homes looking special, I pride myself on completing a professional finish I all areas, no job is to small, I like to work with clients to fulfill there aspirations

ZNS CONSTRUCTION LTD

2 review(s)
Based: in Twickenham, TW14 0PT

ZNS Construction is a family owned honest, reliable, reputable building and construction company. We take pride in our work and believe the best form of advertising is through client satisfaction

David Burns Contracts

4 review(s)
Based: in Co armagh, BT62 2HZ

All types of roofing work under taken from start to finish timber slating tiling flat roofs buytle rubber coverings

Steve Lawrence and Sons

6 review(s)
Based: in Oxford, OX3 8RN

We are a family run home & garden services business based in headington oxford all our work done to a high standard and fully guaranteed no deposits 14 daycooling period Call or message us for a obligation quotation

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