Damp Proofing in Carshalton

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Damp Proofing in Carshalton

Extensions such as garage conversions will typically require additional damp proofing to be added through the conversion, as the existing garage normally has a single skin design for walls and floors, which was not designed to comply with building regulations for habitable rooms. This damp proofing will have to be put into walls and floors. Additionally, the roof of the garage conversion will need water proofing. The damp proofing for the floor of the garage conversion will often be achieved 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, underneath 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 have already been damp proofed, but this might need to be improved as part of the conversion in order to comply with current building regulations. The walls should be damp proofed in order to protect the brickwork from rotting gradually as moisture sets in. This can be performed by either using 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 integral part of the building regulations that the garage conversion should comply with, therefore is it necessary to ensure that your garage conversion makes use of appropriate damp proofing methods.

Average Damp proofing cost in Carshalton

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 2025

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 Carshalton, as reported by local LeadsDoWork members.

Damp proofing installation cost in Carshalton 2025

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

Damp proofing searches in February 2025

Damp proofing Projects in Carshalton in January 2025

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Requests for quotations in Carshalton in January 2025

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Requests for Damp proofing quotations in Carshalton in January 2025. 0% change from December 2024.

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Requests for Damp proofing quotations in Surrey in January 2025. 0% change from December 2024.

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

Damp proofing searches in cities and towns near Carshalton January 2025

Carshalton

Carshalton is a suburban area inside the London Borough of Sutton and it's located near the River Wandle. Five wards make up the Carshalton area, delivering a complete population to 45,525 and the region can be found towards the south west of Greater London. For all property or home improvements you're thinking about, make sure to contrast quotes between vetted companies close to you to get the ideal price for your upcoming project.

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Damp proofing pros in Carshalton

MPC

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

Latest review

Libby S., BN1
5

Building work | Damp Proofing in Brighton

Mark responded promptly to my enquiry and made an appointment to come and look at the issue in question very soon. He ar...

Seal

4 review(s)
Based: in Chichester, PO209EA

Latest review

Sara W., RH15
5

Building work | Damp Proofing in Burgess Hill

Still not had the quote sent to me :-(

Similar Customer Enquiries for Damp proofing in Carshalton

26 May

Building work | Damp Proofing

Carshalton - SM5

Enquiry from: M

Start Date: Immediate

Inspection and treatment penetrating damp

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07 Nov

Building work | Damp Proofing

West Byfleet - KT14

Enquiry from: Holly T

Start Date: Immediate

Hello, I have wet patches on some walls along with patches of black mould in several places, please could somebody come and look at it and advise what work is needed? Thank you

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29 Oct

Building work | Damp Proofing

Ashford - TW15

Enquiry from: Marilyn T

Start Date: Immediate

I have a patch of slightly wet wall, I think the DPC has been damaged after gas fitter fitted gas pipe along the external wall where the wetness has appeared inside as this wetness, I don't think, was...

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09 Jul

Building work | Damp Proofing

Weybridge - KT13

Enquiry from: Matt B

Start Date: Immediate

Hi, Please can you provide a quote for a damp survey. Thanks Matt

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06 Jun

Building work | Damp Proofing

Walton-on-Thames - KT12

Enquiry from: Lianne C

Start Date: Immediate

Hi there, We have had a survey done and are just looking at the damp course and air bricks works to be carried out. Is this something you can carry out without the rendering?

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25 Apr

Building work | Damp Proofing

Ashford - TW15

Enquiry from: Christina B

Start Date: Immediate

Damp proofing Lead

rising damp on the right side of the building near the front door are you the property owner: owner of the property how many rooms do you need damp proofing: 1-2 rooms property type: terrace please c...

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15 Jan

Building work | Damp Proofing

Weybridge - KT13

Enquiry from: Jennifer H

Start Date: Immediate

Damp penetration, hack of plaster

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16 Feb

Building work | Damp Proofing

West Byfleet - KT14

Enquiry from: Laura P

Start Date: Immediate

We are the owners of one of six flats in a converted house and we have reason to believe the damp proof course across the property is in need of repair/upgrading.

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05 May

Building work | Damp Proofing

Walton-on-Thames - KT12

Enquiry from: Sarah B

Start Date: Immediate

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

Please see outlined the findings of a report I recently commissioned. Observations: • External visual inspection; ground levels around the property are approximately 150mm below the internal fini...

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02 Nov

Building work | Damp Proofing

Sunbury-on-Thames - TW16

Enquiry from: Frankie S

Start Date: Immediate

We’re purchasing a property and have been advised to get a survey and quote on some potential damp issues observed in the building survey. I can share the report over email.

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02 Nov

Building work | Damp Proofing

Ashford - TW15

Enquiry from: Tina S

Start Date: Immediate

I'm not sure what kind of damp issue we have. There is mould on the inside of our built in wardrobe (built a year ago) and a smell. Please can someone come and have a look?

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30 Sep

Building work | Damp Proofing

Sunbury-on-Thames - TW16

Enquiry from: Una B

Start Date: Immediate

to remove 2 fridges from my kitchen one not working the other workking. are you the property owner: tenant (with permission)

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23 Mar

Building work | Damp Proofing

Walton-on-Thames - KT12

Enquiry from: David W

Start Date: Immediate

good morning we require a visit to our property after the 31st march. the property requires damp proving and the removal off knapen tubes we recently had a survey conducted, i have attached the text ...

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07 Nov

Building work | Damp Proofing

Ashford - TW15

Enquiry from: Thomas A

Start Date: Immediate

treat approximately 6 meters of outside wall with chemical damp proofing and crack stitch outside wall where extension joins to main property. are you the property owner: owner of the property how ma...

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06 Oct

Building work | Damp Proofing

Walton-on-Thames - KT12

Enquiry from: Mark P

Start Date: Immediate

hello, we are about to purchase the above property - our building survey has flagged some damp concerns (the plinth / sub floor ventilation and a generic woodworm / rot check due to age of building), ...

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17 Aug

Building work | Damp Proofing

Addlestone - KT15

Enquiry from: Dean V

Start Date: Immediate

potential penetrating damp problem at the front of the house, in lounge and upstairs bedroom. damp patches typically visible after a downpour. are you the property owner: owner of the property how man...

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22 Jun

Building work | Damp Proofing

Addlestone - KT15

Enquiry from: Thelma D

Start Date: Immediate

My garden grass area as no straight edges as it as curved wall edges all round

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26 May

Building work | Damp Proofing

Weybridge - KT13

Enquiry from: Steve G

Start Date: Immediate

i request a damp survey of property before i list it for sale, please contact by email, also address format you have does not show correct address are you the property owner: owner of the property how...

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28 Nov

Building work | Damp Proofing

Feltham - TW13

Enquiry from: Sree P

Start Date: Immediate

Ok, how many rooms do you need damp proofing? 1-2 Ok, how many rooms do you need damp proofing? 1-2 my external porch wall are showing signs of damp.at the moment there is no heating in the porch or...

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17 Nov

Building work | Damp Proofing

Feltham - TW14

Enquiry from: SAMI S

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Semi detached How many rooms do you need damp proofing: 5+ Rooms Time scale: Immediate Please call to appoint

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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.

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 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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Carshalton Damp proofing installers are rated 4.1 out of 5 based on 4 reviews of 68 pros.
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