Damp Proofing in Keston

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Damp Proofing in Keston

Extensions including garage conversions will usually require supplementary damp proofing to be installed as part of conversion, as the pre-existing garage typically 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 have to be put into walls and floors. Additionally, 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 by using a damp proof membrane. This membrane can 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 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 need to be improved as part of the conversion in order to comply with current building regulations. The walls will need to be damp proofed to be able to safeguard the brickwork from rotting gradually as moisture sets in. This is carried out by either utilising damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already in the garage. Damp proofing is an important part of the building regulations that the garage conversion should comply with, and so is it necessary to ensure that your garage conversion employs suitable damp proofing methods.

Average Damp proofing cost in Keston

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 Keston, as reported by local LeadsDoWork members.

Damp proofing installation cost in Keston 2026

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

Keston is both a suburban and also rural area, with a populace of nearly 50,000 and situated within the London Borough of Bromley. It's located towards the northwest of London's border with the Kent County. The area has got a variety of modern as well as traditional properties, meaning there are a number of developments needed to ensure the continuing upkeep of properties. For the household enhancements in Keston, make certain to only employ vetted and trustworthy firms and guarantee a good price plus quality finish.

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Damp proofing pros in Keston

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

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Similar Customer Enquiries for Damp proofing in and around Keston

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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19 Aug

Damp proofing

London - N7

Enquiry from: Ravneet M

Start Date: Immediate

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

Have had two internal walls in a basement flat come up with high moisture readings. 40% in an internal bathroom wall which feels dry but has some hard bumps at the bottom. Width of wall is about 70cm

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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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04 Jun

Damp proofing

Bexley - DA5

Enquiry from: Chloe N

Start Date: Immediate

Need someone to look at some damp & timber issues raised on a property survey which we are purchasing if possible please

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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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08 Feb

Damp proofing

Dartford - DA1

Enquiry from: Mike B

Start Date: Immediate

Damp in bathroom constantly

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03 Feb

Damp proofing

Ilford - IG2

Enquiry from: Alok A

Start Date: Immediate

Anti-Mould, Damp painting required for the entire 2/3 bedroom flat including cleaning existing mould etc

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01 Feb

Damp proofing

London - E7

Enquiry from: Zahirulhasan S

Start Date: Immediate

Due to recent rains, some water / moisture seems to have seeped onto the inner wall, blistering the paint / coating; so may need damp proofing / sealing of some sort

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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 Dec

Damp proofing

Hornchurch - RM12

Enquiry from: Simon P

Start Date: Immediate

Just moved into a house and started decorating. Noticed signs of damp in the corner of *** bedroom while painting. Discoloured and flaking paint. Rusty screws in window blind. Guessing a roof or rende

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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.

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.

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.

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Overall rating:


Keston Damp proofing pros are rated 4.4 out of 5 on average: 5 rated pros, 7 reviews, of 32 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 Keston Damp proofing contractors

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