Wales regional pricing

How Much Does a Damp Proofer Cost in Monmouthshire?

Updated prices for . Monmouthshire prices are typically 10% above the national average.

12 services priced
Wales region
Updated

Price summary

Monmouthshire Price Summary

Service Low Average High
Rising Damp Treatment (Per Wall) £275 £550 £1,100
Damp Proof Course Injection £550 £1,320 £2,750
Condensation Treatment £165 £440 £880

Prices include labour and materials. VAT may apply. Based on Wales regional pricing.

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Full pricing

All Damp Proofer Prices in Monmouthshire

Every price adjusted for Monmouthshire using a 1.1x cost multiplier, rounded to the nearest £5.

Rising Damp Treatment (Per Wall)

Low

£275

Average

£550

High

£1,100

Half day to 1 day

Damp Proof Course Injection

Low

£550

Average

£1,320

High

£2,750

1-2 days

Condensation Treatment

Low

£165

Average

£440

High

£880

Half day

Penetrating Damp Repair

Low

£220

Average

£550

High

£1,320

Half day to 1 day

Basement Waterproofing and Tanking

Low

£2,200

Average

£5,500

High

£11,000

1-2 weeks

Mould Removal and Treatment

Low

£220

Average

£495

High

£880

Half day to 1 day

Damp Survey and Report

Low

£165

Average

£275

High

£440

1-2 hours

Cavity Wall Tie Replacement

Low

£550

Average

£1,650

High

£3,300

1-3 days

Timber Treatment (Dry Rot)

Low

£550

Average

£1,650

High

£4,400

2-5 days

Timber Treatment (Wet Rot)

Low

£220

Average

£660

High

£1,650

1-2 days

Salt Damage Replastering

Low

£440

Average

£880

High

£1,650

1-2 days

Ventilation System Installation

Low

£440

Average

£880

High

£1,650

Half day to 1 day

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Regional comparison

How Monmouthshire Compares

Average cost of rising damp treatment (per wall) across regions.

Monmouthshire
+10% £550
National Average
baseline £500
London
+24% £620

Local insights

What Affects Damp Proofer Costs in Monmouthshire?

Wales has a distinctive mix of housing, from Victorian and Edwardian terraces in the south to stone-built cottages and rural properties across the rest of the country. Monmouthshire and the wider area around Swansea and the Valleys include many older properties that present challenges for damp proofer work. Stone walls, exposed locations, and older infrastructure all tend to push costs toward the higher end.

Wales sits below the national average for trade costs. Labour rates in Monmouthshire are typically 10% above the UK average. While this makes damp proofer work more affordable, there can be fewer qualified professionals in rural areas compared to English cities, which can mean longer waiting times. In more populated areas, competition keeps prices reasonable. Always get at least three quotes.

Properties in Monmouthshire can present specific challenges that affect damp proofer costs. Stone-built and older Welsh terraces often have thick walls that make work more difficult and expensive. Properties in exposed or rural locations may face harsher weather conditions that influence timing and approach. For larger jobs in Monmouthshire, expect to pay £2,200 to £11,000 for basement waterproofing and tanking.

When getting quotes in Monmouthshire, aim for at least three from different qualified professionals. Ask each one to visit and assess the work rather than quoting over the phone. A good damp proofer will check existing conditions, identify complications, and provide a detailed cost breakdown. Be wary of quotes that seem significantly cheaper — they may be cutting corners on materials or quality. Always check qualifications, insurance and recent reviews.

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More services

Other Services in Monmouthshire

Explore costs for other services in the Monmouthshire area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about damp proofer costs in Monmouthshire.

How much does a damp proofer cost in Monmouthshire in 2026?
Rising Damp Treatment (Per Wall) in Monmouthshire typically costs between £275 and £1,100, with the average being around £550. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are damp proofer prices cheaper in Monmouthshire than London?
Monmouthshire prices are 10% above the national average, though still £70 cheaper than London for rising damp treatment (per wall).
How do I find a good damp proofer in Monmouthshire?
Get at least three quotes from different tradespeople, check recent reviews, and ask whether the quote includes VAT and everything you need. A detailed written quote that breaks down all costs is a good sign. Always check qualifications, insurance and recent reviews before hiring.
What affects damp proofer prices in Monmouthshire?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Monmouthshire rates are 10% above the national average. Getting multiple quotes is the best way to ensure a fair price.
Do damp proofer prices include materials in Monmouthshire?
The prices shown on this page include all typical costs. However, when getting real quotes, always confirm what is and isn't included. Some tradespeople break out costs separately, while others give an all-in price. Ask for a detailed breakdown before agreeing to any work.