Damp Proofing in Truro

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Damp Proofing in Truro

Extensions including garage conversions will often require additional damp proofing to be added during the conversion, as the existing garage will often have a single skin design for walls and floors, which was not manufactured to conform to building regulations for habitable rooms. This damp proofing will need 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 usually 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 have been damp proofed, but this might have to be updated as part of the conversion to be able to comply with current building regulations. The walls will need to be damp proofed to be able to protect the brickwork from rotting slowly as moisture sets in. This is 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 a part of the building regulations that the garage conversion will need to comply with, therefore is it important to ensure that your garage conversion incorporates appropriate damp proofing methods.

Average Damp proofing cost in Truro

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 Truro, as reported by local LeadsDoWork members.

Damp proofing installation cost in Truro 2026

Labour cost £1,050
Material cost £375
Waste removal £75
Time frame: 3-5 days
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Damp proofing searches near Truro, 26 July to 23 October 2026

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Truro

The city of Truro is famous because of its cobbled streets and rich Georgian architecture. Truro is situated in the county of Cornwall and it is the UK's most southerly mainland city with a population of just 20,000, among the smallest in the country. The city attracts in tourism through its cathedral and port trading centre, in addition to an excellent Georgian and Victorian history that still has a massive impact on the region. If you want to boost your Truro property, select a leading tradesman in the region and get the work carried out to a quality standard.

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Similar Customer Enquiries for Damp proofing in and around Truro

08 Jan

Damp proofing

Redruth - TR15

Enquiry from: Tina M

Start Date: Immediate

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The property has a damp problem especially on the left side of the house. the wall is soaking wet

Property: terrace

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06 Jan

Damp proofing

Redruth - TR15

Enquiry from: Lisa Z

Start Date: Immediate

Hi, i have white mould just a small section in my loft. due to the air vent coming loose. please can you quote me on putting vent back and mould please. i have images as i have had a homebuyers survey

Property: terrace

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09 Nov

Damp proofing

Camborne - TR14

Enquiry from: Lisa H

Start Date: Immediate

Idea of where damp is coming from

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19 Oct

Damp proofing

Helston - TR13

Enquiry from: Mick S

Start Date: Immediate

Damp walls some of which are back to earth

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15 Oct

Damp proofing

Helston - TR13

Enquiry from: Sophia G

Start Date: Immediate

A flat needs a damp survey to try and resolve the issue, i do not know if this is a flat issue or buildng would this be able to be determined please

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07 Sep

Damp proofing

Helston - TR13

Enquiry from: Mike C

Start Date: Immediate

Damp proof on the front wall of building Also timber treatment loft and stairs

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19 May

Damp proofing

Redruth - TR15

Enquiry from: Andrew H

Start Date: Immediate

Tanking to basement boundary walls to Royal Mail Distribution office. Can someone give me a call please

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03 Mar

Damp proofing

Newquay - TR8

Enquiry from: Rory P

Start Date: Immediate

Damp survey and recommendations

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13 Feb

Damp proofing

St. Austell - PL26

Enquiry from: Elizabeth B

Start Date: Immediate

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Hi we have a tenant at this address with bad damp issues and wondered are you available to take a look and quote and works need doing. It could be that they are not using heating so more condensation

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15 Jan

Damp proofing

Newquay - TR7

Enquiry from: Grzegorz G

Start Date: Immediate

Damp proofing Lead

Damp in the walls and wet walls

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02 Dec

Damp proofing

Camborne - TR14

Enquiry from: Christian S

Start Date: Immediate

Mould on walls appearing in multiple rooms. (address removed) building survey less than 1 year ago shows only minimal damp in the old cottage

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25 Nov

Damp proofing

Camborne - TR14

Enquiry from: Clive B

Start Date: Immediate

We have two cold rooms in the bungalow on opposite corners of the building with condensation and mould and one room when it rains constantly and heavy mist /drizzle we get a wet area in the corner on

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28 Oct

Damp proofing

Redruth - TR16

Enquiry from: Chris H

Start Date: Immediate

Small area of wall, rising damp in solid wall

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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 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.

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.

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