Damp Proofing in Coulsdon

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Damp Proofing in Coulsdon

Extensions including garage conversions will typically require additional damp proofing to be installed as part of conversion, as the pre-existing garage routinely has a single skin design for walls and floors, which was not designed to be in accordance with building regulations for habitable rooms. This damp proofing will need to be added to walls and floors. Moreover, 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 using a damp proof membrane. This membrane is available in either solid or liquid form. The damp proof membrane will be placed down either on top of the 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 some garages, the walls have already been damp proofed, but this might have to be improved as part of the conversion to be able to meet 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 done by either utilising 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, and so is it important to ensure that your garage conversion makes use of appropriate damp proofing methods.

Average Damp proofing cost in Coulsdon

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 Coulsdon, as reported by local LeadsDoWork members.

Damp proofing installation cost in Coulsdon 2026

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

The town of Coulsdon is found on the most southern boundary of the Croydon Borough and has a populace of 40,000. The town was crammed with housing within the 19th and 20th centuries and in modern times a bypass was opened up to enhance the town centre. For any property developments you may be looking at in the near future, you'll want to just use vetted and respectable tradesmen for the best price for the work you'd like finished.

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Damp proofing pros in Coulsdon

MPC

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

Latest review

Libby S., BN1
5

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...

Tonbridge Construction and Damp-Proofing

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

Latest review

Andy L., TN12
5

Damp Proofing in Tonbridge

Very personable, honest and professional

Seal

4 review(s)
Based: in Chichester, PO209EA

Latest review

Sara W., RH15
5

Damp Proofing in Burgess Hill

Still not had the quote sent to me :-(

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Similar Customer Enquiries for Damp proofing in and around Coulsdon

16 Sep

Damp proofing

Caterham, Whyteleafe - CR3

Enquiry from: Nisia S

Start Date: Immediate

Small storage cupboard within a let business property damp proofed

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10 Sep

Damp proofing

London - SW16

Enquiry from: Jigisha S

Start Date: Immediate

Hi dear, We having damp problem in our outbuilding in the garden.Skirting board shows sign of it as broken.Do you offer free visit for insepection and survey then please do contact me

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10 Sep

Damp proofing

Beckenham - BR3

Enquiry from: Hakan H

Start Date: Immediate

Looking for a carbide testing for the screed to be done on 15th or 16th of September in two rooms

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14 Aug

Damp proofing

Leatherhead - KT22

Enquiry from: Arianna A

Start Date: Immediate

Quote for a 7.6 sqm (82 sq ft) cellar

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17 Jul

Damp proofing

London - SW16

Enquiry from: Joel J

Start Date: Immediate

Rising damp. removing existing plaster and injecting damp proof chemicals and re plastering and painting of wall at front window bay

Property: semi detached

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06 Jul

Damp proofing

London - SW20

Enquiry from: Angela S

Start Date: Immediate

We have discovered an issue with property and would like a visit/inspection to identify the cause

Property: terrace

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14 Jun

Damp proofing

London - W3

Enquiry from: Chris R

Start Date: Immediate

Front of house approximately 6M fix the damp proofing externally. Red brick 1920s terraced proofing

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10 Jun

Damp proofing

London - SE27

Enquiry from: William P

Start Date: Immediate

There is damp in my conservatory which was built about 10 years ago. The damp has affected one wall and the shed ceiling and only appears after prolonged rain

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15 Apr

Damp proofing

London - SW7

Enquiry from: Harriet S

Start Date: Immediate

Tanking one bedroom wall, a hall way wall and a utility room wall

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10 Apr

Damp proofing

Mitcham - CR4

Enquiry from: Ope O

Start Date: Immediate

I want to Waterproof the flat concrete roof and damp proof the end of terrace wall

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21 Mar

Damp proofing

Beckenham - BR3

Enquiry from: Pippa S

Start Date: Immediate

I have a damp patch on the wall in my kitchen

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11 Mar

Damp proofing

London - SW16

Enquiry from: Aamir R

Start Date: Immediate

My bedroom roof got damp marks. Need to fix that

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02 Mar

Damp proofing

London - SW16

Enquiry from: Cam I

Start Date: Immediate

Damp proofing enquiry

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16 Feb

Damp proofing

Epsom - KT19

Enquiry from: Peter M

Start Date: Immediate

Damp proofing Lead Damp proofing Lead

We have a small amount of damp rising on a small wall in our conservatory - all the walls were treated with a waterproof membrane and re plaster boarded last year but this small wall was not done

Property: semi detached

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28 Jan

Damp proofing

South Croydon - CR2

Enquiry from: Natalie R

Start Date: Immediate

To locate source of damp from weather in a wall

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16 Oct

Damp proofing

London - SE5

Enquiry from: Susan L

Start Date: Immediate

Basement level of flat has some damp issues. Requesting a report and quote. I am the Landlord, Susan Lunn and I live in Australia

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11 Oct

Damp proofing

Epsom - KT17

Enquiry from: Carmel L

Start Date: Immediate

Have some damp around the chimney breast in my dining room

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29 Sep

Damp proofing

London - SW16

Enquiry from: Harish V

Start Date: Immediate

Require Damp proofing inside and outside the property

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19 Sep

Damp proofing

London - SW17

Enquiry from: Selvi D

Start Date: Immediate

To check damp in loft room and one corner of living room

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09 Sep

Damp proofing

West Wickham - BR4

Enquiry from: Amanda D

Start Date: Immediate

The wall outside has blown render. I have downstairs toilet ( part of a bathroom). There’s penetrative damp that could require taking back to brick. I have had a a damp proof ( injection) but the

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FAQs

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 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.

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Overall rating:


Coulsdon Damp proofing pros are rated 4.4 out of 5 on average: 6 rated pros, 13 reviews, of 33 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 Coulsdon Damp proofing contractors

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