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 2024

Avg. price low

Avg. price low
£504

Avg. price

Avg. price
£2,119

Avg. price high

Avg. price high
£3,716

£3900

£2925

£1950

£975

£0

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

Damp proofing installation cost in your area 2024

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 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!

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.

Easy DIY Solution to Treat Rising Damp in Walls

Pegasus Stone

Based: in Chesney, surrey, KT16

We are here for all of your dampproofing solutions please feel free to send us a message for a free ...

Latest review

Karen B., BN22
15th February 2024

Building work | Damp Proofing in Eastbourne

Contact Made

MPC

Based: in Brighton, BN2

MPC is based in Brighton and have 2 positive reviews

Latest review

Libby S., BN1
27th January 2024

Building work | Damp Proofing in Brighton

Mark was friendly, informative and knowledgeable. It turned out that I don't actually...

Home Energy Save.

Based: in Stoke-on-trent, ST4

At Home Energy Save Ltd we are specialists in all fields of damp proofing and energy efficiency with...

Latest review

M., M41
24th March 2023

Building work | Damp Proofing in Manchester

Very professional, turned up on time., explained the process so overall very good ser...

H & E Plastering

Based: in Bradford, BD4

H & E Plastering cover all aspects of Plastering works domestic and commercial, we provide damp proo...

Latest review

Mudita G., BD20
17th July 2023

Building work | Damp Proofing in Keighley

He was very helpful throughout the process from starting to completion. I will defini...

Heatseal Insulation

Based: in Telford, TF2

Welcome to Heatseal Insulation Ltd

We are National Loft insulation and Damp Proofing specialists ...

Latest review

Barrie H., CH45
21st November 2022

Building work | Damp Proofing in Wallasey

Good advice, clear understanding of the problem and solution

Weatherdry Insulation

Based: in Tamworth, B79

We are a company that specialises in Damp Proofing & Insulation. We have a 100% success rate in res...

Latest review

Karen G., DY8
6th February 2022

Building work | Damp Proofing in Stourbridge

Very obliging and friendly but not able to identify damp problem. Limited knowledge s...

HFAC

Based: in Henley on thames, RG9

Proudly Serving Customers in Henley-on-Thames and Surrounding Areas in a 50-Mile Radius

Henley fl...

Latest review

Albert H., SN7
25th March 2022

Building work | Damp Proofing in Faringdon

excellent response to our need and hopefully a permanent solution has been found.

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.

Rated Local damp proofing specialists

Home Energy Save Ltd.

6 review(s)
Based: in Stoke-on-trent, ST4 2RW

At Home Energy Save Ltd we are specialists in all fields of damp proofing and energy efficiency within the home. Whether your problem is loft condensation, rising damp, penetrating damp, black mould or simply heat loss then we can help. We specia...

Weatherdry Insulation Ltd

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

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

Pegasus Stone Ltd

1 review(s)
Based: in Chesney, surrey, KT16 0BH

We are here for all of your dampproofing solutions please feel free to send us a message for a free quotation

H & E Plastering

2 review(s)
Based: in Bradford, BD4 9QY

H & E Plastering cover all aspects of Plastering works domestic and commercial, we provide damp proofing and remedial works. Bradford based and covering all West Yorkshire. With over 10 years experience in Plastering and Damp Proofing , please...

Heatseal Insulation Ltd

1 review(s)
Based: in Telford, TF2 9TW

Welcome to Heatseal Insulation Ltd We are National Loft insulation and Damp Proofing specialists covering most of the UK. Our objective is to provide an outstanding & reliable service to all our customers offering the latest technology to the Dome...

The Hive Efficiency Group

2 review(s)
Based: in Birmingham, B16 8LB

The Hive Efficiency Group supply and install a range of products to both residential and commercial properties, designed to assist in making them more energy efficient and maintenance free for many years to come. From thermally effiecient wall c...

MPC

2 review(s)
Based: in Brighton, BN2 6NN

MPC based in Brighton, offer services in Damp Proofing. They have an average rating of 4.375 from 2 review(s). See their latest 5 star review below

Aquapol Scotland Ltd.

1 review(s)
Based: in Edinburgh, EH1 1DD

Aquapol Scotland Ltd. based in Edinburgh, offer services in Damp Proofing. They have an average rating of 4.5 from 1 review(s). See their latest 5 star review below

Tonbridge Construction and Damp-Proofing

1 review(s)
Based: in Tonbridge, TN9 2YR

Tonbridge Construction and Damp-Proofing based in Tonbridge, offer services in Damp Proofing. They have an average rating of 5 from 1 review(s). See their latest 5 star review below

Seal

4 review(s)
Based: in Chichester, PO209EA

Seal based in Chichester, offer services in Damp Proofing. They have an average rating of 4.875 from 4 review(s). See their latest 5 star review below

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