Damp Proofing in Hemel Hempstead

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Damp Proofing in Hemel Hempstead

Extensions such as garage conversions will typically require supplementary damp proofing to be added during the conversion, as the pre-existing garage normally 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 need to be added to walls and floors. Moreover, the roofing of the garage conversion will require water proofing. The damp proofing of the floor of the garage conversion will usually be achieved by utilising a damp proof membrane. This membrane will 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 whether the floor will be a solid or a floating floor. In a few garages, the walls will have already been damp proofed, but this might need to be improved as part of the conversion to be able to comply with current building regulations. The walls should be damp proofed in order to protect the brickwork from rotting slowly as moisture sets in. This can be performed by either making use of damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is an important part of the building regulations that the garage conversion should comply with, therefore is it necessary to make sure that your garage conversion employs appropriate damp proofing methods.

Average Damp proofing cost in Hemel Hempstead

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 Hemel Hempstead, as reported by local LeadsDoWork members.

Damp proofing installation cost in Hemel Hempstead 2026

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

Hemel Hempstead is a big town in the East of England, with a populace of 81,143 and situated within the county of Hertfordshire. Hemel Hempstead was evolved after the Second World War and is part of the Dacorum and Hemel Hempstead district. Hempstead is easily the most inhabited urban region in Hertfordshire, narrowly edging its nearby rival Watford. To increase value to your house, make sure to only use respectable trade professionals and get the best prices from Hemel Hempstead companies.

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Similar Customer Enquiries for Damp proofing in and around Hemel Hempstead

09 Sep

Damp proofing

Luton - LU3

Enquiry from: Timothy D

Start Date: Immediate

Damp proofing need for a home

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17 Jun

Damp proofing

Pinner - HA5

Enquiry from: Kiran M

Start Date: Immediate

Damp treatment for bedroom

Property: semi detached

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04 Jun

Damp proofing

Potters Bar - EN6

Enquiry from: Priyanka R

Start Date: Immediate

To review the damp, see the source, take damp readings and advise the best course of action

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30 May

Damp proofing

Pinner - HA5

Enquiry from: Kiran M

Start Date: Immediate

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

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26 Apr

Damp proofing

Harrow - HA3

Enquiry from: Mukund V

Start Date: Immediate

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

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10 Mar

Damp proofing

St. Albans - AL4

Enquiry from: Nick W

Start Date: Immediate

I have penetrating damp on a solid 9inch wall

Property: terrace

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12 Jan

Damp proofing

St. Albans - AL3

Enquiry from: Alan S

Start Date: Immediate

Check out damp intrusion coming through walls

Property: terrace

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09 Dec

Damp proofing

Potters Bar - EN6

Enquiry from: Nik D

Start Date: Immediate

Possible water penetration in two places in the house

Property: semi detached

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21 Nov

Damp proofing

Harpenden - AL5

Enquiry from: Ben T

Start Date: Immediate

I think i have damp in one bedroom, and it gets much colder than the rest of the house. Another room gets mouldy in one corner, not sure if thats something you can help with. The room where i think it

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08 Nov

Damp proofing

Welwyn Garden - AL8

Enquiry from: Gregory D

Start Date: Immediate

We had someone quote for DPC repair on one corner of our house where it has clearly failed. But I wanted to see what it would cost to do the whole house while we are at it

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12 Aug

Damp proofing

Aylesbury - HP22

Enquiry from: Laura K

Start Date: Immediate

Survey to see if damp is present

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06 Mar

Damp proofing

High Wycombe - HP13

Enquiry from: Razia I

Start Date: Immediate

Riding damp inside living room wall

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03 Mar

Damp proofing

Welwyn Garden City - AL7

Enquiry from: Yvonne M

Start Date: Immediate

Since replacing a conservatory roof, i have a damn issue

Property: terrace

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02 Feb

Damp proofing

Tring - HP23

Enquiry from: Anna P

Start Date: Immediate

We are in the process of purchasing a property and would like to arrange for a PCA-registered damp and timber specialist to conduct an inspection before exchanging contracts. Our survey has highlighte

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31 Jan

Damp proofing

Dunstable - LU6

Enquiry from: Dawn S

Start Date: Immediate

Look at where the damp is coming from. In the porch area and in the small bedroom

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11 Jan

Damp proofing

Berkhamsted - HP4

Enquiry from: Nick W

Start Date: Immediate

We have some damage to 1 wall which is caused by damp - most likely due to external problems with roof and wall. We would appreciate it if you could come to provide an estimate for repair and any furt

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12 Dec

Damp proofing

Luton - LU1

Enquiry from: Debbie E

Start Date: Immediate

Damp proofing Lead Damp proofing Lead

Some damp in two rooms in the corner of the rooms

Property: terrace

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02 Dec

Damp proofing

Luton - LU4

Enquiry from: Simon P

Start Date: Immediate

Rising damp three walls with damp rising

Property: commercial

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22 Nov

Damp proofing

High Wycombe - HP15

Enquiry from: Scott L

Start Date: Immediate

Damp walls in external facing downstairs living area. Looks to have had injection treatment in the past but also has cracked tender on outer facing side of wall

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07 Nov

Damp proofing

High Wycombe - HP13

Enquiry from: Jay G

Start Date: Immediate

External wall has damp. *** floor flat

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FAQs

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.

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.

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