Damp Proofing in Wandsworth

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Damp Proofing in Wandsworth

Extensions such as garage conversions will often require supplementary damp proofing to be added through the conversion, as the pre-existing garage typically 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 have to be added to walls and floors. In addition, 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 employing 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, below 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 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 to be able to protect the brickwork from rotting gradually as moisture sets in. This can be accomplished by either applying damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is a part of the building regulations that the garage conversion should adhere to, therefore is it necessary to make sure that your garage conversion incorporates suitable damp proofing methods.

Average Damp proofing cost in Wandsworth

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 Wandsworth, as reported by local LeadsDoWork members.

Damp proofing installation cost in Wandsworth 2026

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

The London Borough of Wandsworth is a London borough in England, and forms a part of Inner London. The borough borders the London Borough of Lambeth to the east, the London Borough of Merton along with the Royal Borough of Kingston Upon Thames towards the south, the London Borough of Richmond upon Thames towards the west and towards the north, across the River Thames, three boroughs, namely the London Borough of Hammersmith and Fulham, Royal Borough of Kensington and Chelsea and the City of Westminster.

The local authority is Wandsworth London Borough Council. In accordance with population estimates produced in the middle of 2014, the borough features a permanent population of around 312145 inhabitants. You'll find numerous new or refurbished buildings along the borough's prosperous riverside which includes the large Chelsea Bridge Wharf.

The Peace Pagoda, one of many such international Pagodas is in Battersea Park, a sprawling rectangle frequently hosting circuses beside the Thames. The London Heliport, London's principal and busiest heliport is just beyond Battersea Park and south of this is New Covent Garden Market. In Old Battersea two masonry mansions survived The Blitz, Old Battersea House and Downshire House, both of which hold the uncommon Grade II* status.

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Similar Customer Enquiries for Damp proofing in and around Wandsworth

16 Sep

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Small storage cupboard within a let business property damp proofed

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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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19 Aug

Damp proofing

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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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14 Aug

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26 Jul

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Assess my wall and sort out the damp prof problem

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17 Jul

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London - SW16

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

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06 Jul

Damp proofing

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17 Jun

Damp proofing

Pinner - HA5

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

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11 Jun

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Ashford - TW15

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To check whether the wall is damp or not

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10 Jun

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Enquiry from: William P

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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

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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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30 May

Damp proofing

Pinner - HA5

Enquiry from: Kiran M

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

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11 Mar

Damp proofing

London - SW16

Enquiry from: Aamir R

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My bedroom roof got damp marks. Need to fix that

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02 Mar

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London - SW16

Enquiry from: Cam I

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Damp proofing enquiry

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29 Sep

Damp proofing

London - SW16

Enquiry from: Harish V

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Require Damp proofing inside and outside the property

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19 Sep

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London - SW17

Enquiry from: Selvi D

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

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24 Jul

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London - SW11

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PIV installation in basement

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11 Dec

Damp proofing

London - SW18

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I have a small section in one of the bedrooms which has moisture ingress and actually got extremely damp with recent rains. I was hoping for a damp specialist to inspect this week and provide quote on

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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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