Damp Proofing in Isleworth

Find Damp Proofing Prices in Isleworth

Trustpilot 4.5 stars
Home > Damp Proofing Projects > Damp proofing > Isleworth

Damp Proofing in Isleworth

Extensions including garage conversions will often require supplementary damp proofing to be added through the conversion, as the existing garage will typically have a single skin design for walls and floors, which was not built to be in accordance with building regulations for habitable rooms. This damp proofing will have to be put into walls and floors. In addition, the roofing of the garage conversion will require water proofing. The damp proofing for the floor of the garage conversion will usually be performed by 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 existing concrete floor, underneath 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 have been damp proofed, but this may need to be improved as part of the conversion in order to adhere to current building regulations. The walls will need to be damp proofed in order to protect the brickwork from rotting gradually as moisture sets in. This can be carried out 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 adhere to, therefore is it vital to make sure that your garage conversion employs appropriate damp proofing methods.

Average Damp proofing cost in Isleworth

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 Isleworth, as reported by local LeadsDoWork members.

Damp proofing installation cost in Isleworth 2026

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

Damp proofing on Google in Isleworth

Google searches that showed Local Quotes, 20 July to 17 October 2026

3,098

Searches that showed one of our pages for Isleworth, all services

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

Damp proofing searches near Isleworth, 20 July to 17 October 2026

187

Searches that showed our page for Teddington

26

Searches that showed our page for Brentford

10

Searches that showed our page for Ashford

Damp proofing near you

Isleworth

Isleworth is a small town with Saxon origins, set within the London Borough of Hounslow in West London, England. It is discovered to the east of the town of Hounslow and west of the River Thames and its tributary, the River Crane. The town's original settlement area, beside the River Thames, is known as 'Old Isleworth'. The north-west corner of the town, linking on to Osterley and Lampton, is called 'Spring Grove'. Despite the fact that Isleworth at first had a Thames frontage of approximately one mile, omitting that of the Syon estate, a borough border adjustment in 1994 decreased this to half a mile in order to increase land in the district of St. Margarets, Twickenham. Isleworth featured a substantial range of artisan and white collar residential progression throughout the town, at the cost of several market gardens in the beginning of the 20th century. This period also witnessed the building of a range of brand-new factories and offices. Such a fast spread of building changed the nature of Isleworth's design, transforming the town from an agrarian economy to an urban one. As a result of many structures staying clear of being targeted in the Blitz, Isleworth contains many Grade II * listed buildings. The majority of these originate from the period of significant mansion-building occurring in the 18th and 19th centuries, thanks to the attraction of the rural, waterside beauty. There is a town library, a public leisure centre with a pool and gym, 4 entertainment grounds and a town hall for the 20500 occupants to go to, along with lots of opportunities to go shopping at nationwide and independent shops. For all of your house upgrades, make sure to make use of dependable experts in Isleworth to make certain of quality.

Looking for Damp proofing in Isleworth?

Get free quotes from local damp proofing specialists

Get free quotes

Damp proofing pros in Isleworth

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 :-(

See other Damp proofing Pros in Isleworth

Similar Customer Enquiries for Damp proofing in and around Isleworth

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

Post a similar request >

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

Post a similar request >

08 Sep

Damp proofing

Slough - SL1

Enquiry from: Richard K

Start Date: Immediate

I need a damp and timber report carried out

Post a similar request >

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

Post a similar request >

14 Aug

Damp proofing

Leatherhead - KT22

Enquiry from: Arianna A

Start Date: Immediate

Quote for a 7.6 sqm (82 sq ft) cellar

Post a similar request >

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

Post a similar request >

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

Post a similar request >

17 Jun

Damp proofing

Pinner - HA5

Enquiry from: Kiran M

Start Date: Immediate

Damp treatment for bedroom

Property: semi detached

Post a similar request >

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

Post a similar request >

11 Jun

Damp proofing

Ashford - TW15

Enquiry from: Krishna A

Start Date: Immediate

To check whether the wall is damp or not

Post a similar request >

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

Post a similar request >

30 May

Damp proofing

Pinner - HA5

Enquiry from: Kiran M

Start Date: Immediate

Damp wall in daughter’s bedroom. Find and fix the issue

Post a similar request >

26 Apr

Damp proofing

Harrow - HA3

Enquiry from: Mukund V

Start Date: Immediate

Quotation ***dground Massionnet dampening & condensation & general upgrading for the house

Post a similar request >

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

Post a similar request >

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

Post a similar request >

21 Mar

Damp proofing

Beckenham - BR3

Enquiry from: Pippa S

Start Date: Immediate

I have a damp patch on the wall in my kitchen

Post a similar request >

11 Mar

Damp proofing

London - SW16

Enquiry from: Aamir R

Start Date: Immediate

My bedroom roof got damp marks. Need to fix that

Post a similar request >

02 Mar

Damp proofing

London - SW16

Enquiry from: Cam I

Start Date: Immediate

Damp proofing enquiry

Post a similar request >

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

Post a similar request >

28 Jan

Damp proofing

South Croydon - CR2

Enquiry from: Natalie R

Start Date: Immediate

To locate source of damp from weather in a wall

Post a similar request >

Advertisement

Local & reliable damp proofing specialists near me

Tell us about your damp proofing project

Answer a few quick questions, so we can match you with local damp proofing specialists who can help.

Find up to 4 damp proofing specialists in Isleworth

Get free, no-obligation local damp proofing quotes from 4 verified damp proofing specialists working in Isleworth.

Hire with confidence

Compare customer reviews, services and prices, and choose the right tradesperson for you.

Our reviews

Average

He gave me a call within a couple o ...

He gave me a call within a couple of of hours

Promptly allocated the correct trad ...

Promptly allocated the correct trade

Very efficient and prompt service

Very efficient and prompt service

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 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.

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.

Damp proofing

Other Top Projects in Isleworth

Related Projects

Customer Reviews

Overall rating:


Isleworth Damp proofing pros are rated 3.8 out of 5 on average: 3 rated pros, 7 reviews, of 30 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 Isleworth Damp proofing contractors

Useful Damp proofing Links

Damp and mould issues in terrace property in Plymouth Damp in walls and wet patches discovered during renovation in Newquay Mould and damp issues caused by cellar water in Sheffield Resolving damp issues in living room floor corner in Cardigan Resolving water ingress and rising damp under a back window wall in Billingham Damp course and woodworm inspection for a detached cottage in Inverness Addressing damp and mould issues in two rooms in Luton Treat rising damp in basement with visible salt damage in Birmingham Bathroom damp proofing and external wall tanking in Gloucester Treating damp in internal walls and cellar in Accrington Treating rising damp and black mould in Oldbury B69 Remedying rising and penetrating damp in party wall in Penzance Resolving rising damp in kitchen and hall walls in Cardigan

Need more help?

Are you a damp proofing specialist in Isleworth?

We can help you get more damp proofing work with our qualified job leads and boost your business.

Join today