Damp Proofing UK

Damp Proofing in Northumberland

In the North of England, older solid-brick and stone properties are common, and exposure to driving rain makes penetrating damp through failed pointing and render a frequent cause alongside classic rising damp.

Most surveys in Northumberland are arranged within a few working days, and a single-wall damp-proof course and re-plaster is usually a one-to-three-day job. We'll always confirm timings up front rather than leaving you with a vague window.

Across Northumberland we handle everything from rising damp treatment and penetrating damp treatment to condensation and mould control, installing a fresh damp-proof course and salt-resistant damp-proof re-plastering afterwards. Where damp has reached skirtings or joists we add woodworm and timber treatment, and for wet cellars we offer basement waterproofing — every job starting with a proper damp survey so the cause is diagnosed before any work begins.

Towns & areas we cover in Northumberland

Damp Proofing Price Guide

Indicative pricing — every job gets a fixed, written quote after a survey. No hidden extras.

Damp survey & report

diagnosis

Free

Free for straightforward jobs; a detailed independent survey report is available for mortgage or purchase cases.

DPC injection (per wall)

rising damp

from £350

Chemical damp-proof course injection to a single affected wall — priced by length and access.

Damp-proof re-plaster

per room

from £600

Salt-resistant re-plastering after treatment, so the wall can be redecorated cleanly.

Basement / cellar tanking

waterproofing

from £1500

Structural waterproofing (tanking or cavity membrane) — quoted per project after survey.

Damp services we offer across Northumberland

See all damp proofing services →

Damp proofing in Northumberland — frequently asked questions

Is there a charge just for a quote?

No. A survey and fixed written quote for standard domestic damp work are free with no obligation to book. Only a formal independent survey report is a separate, paid service, which we agree with you beforehand.

What other areas near Northumberland do you cover?

We cover Northumberland as part of a wider service area — see the nearby towns listed on this page, or get in touch with your postcode and we’ll confirm coverage.

How long does damp proofing last?

A correctly installed damp-proof course and salt-resistant re-plaster should last for decades, which is why the work is backed by a written guarantee. The key is treating the actual cause, not just covering the symptom — which is what the survey stage is for.

Do you cover both homes and commercial properties?

Yes — we treat damp in houses, flats and commercial premises, from a single damp wall in a home to larger surveys and waterproofing for landlords, letting agents and commercial buildings.

How and when do I pay?

Larger jobs are typically arranged with a deposit to book the work and the balance on completion. Full payment terms are set out in your written quote before anything starts — nothing to pay just for a survey and quote.

Page reviewed: September 2026Reviewed by: Damp Proofing UK Team

Damp is treated by cause, not by symptom: rising, penetrating and condensation damp look similar but need completely different treatments, which is why every job starts with a proper survey and diagnosis before any work is quoted.

Book a free damp survey in Northumberland

Tell us about the damp and your postcode — we'll arrange a survey and a fixed written quote.