Damp Proofing Marlow | Survey & Treatment | Advanced Damp

Damp & waterproofing specialists, South Bucks

Damp Proofing Marlow

Marlow sits on the Thames floodplain with the Chiltern chalk rising behind, so its riverside homes, period cellars and Georgian town centre get a particular mix of damp. We work the town from our nearby High Wycombe office, diagnose the real cause and put it right. Survey-led, with a written 10 year guarantee.

Call 0300 373 7251 Book a Survey →

10 Year Guarantee Riverside & Below-Ground Georgian & Period Specialists Survey-Led Diagnosis CSSW & CSRT Trained

Book a Marlow Damp Survey

0300 373 7251

Request a Callback

Survey-led diagnosis with a clear, written report. No obligation.

Damp in Marlow Property

Marlow was made by the Thames, and the river still shapes its damp. The town sits on the floodplain on the south bank, on low-lying gravel and alluvium, with the Chiltern chalk rising steeply behind. The riverside has flooded here for centuries, enough that the old church and manor hall down by the water were undermined by it, so low-lying and riverside property has a high water table, and cellars and basements, including the old chalk-built cellars beneath the period houses, can take in ground and below-ground water that needs proper waterproofing, not a damp proof course.

Above the town the ground climbs onto the chalk around Quarry Wood and Marlow Common, where spring-line seepage can show up as penetrating damp on hillside walls.

In between sits the handsome Georgian town centre, the High Street, West Street and St Peter Street, much of it listed and solid-walled, prone to rising damp, alongside the modern estates of Marlow Bottom. With that range, a proper survey is the only reliable starting point.

Cavity drain membrane basement waterproofing by Advanced Damp

Damp & Waterproofing Services in Marlow

Whatever the property and whatever the cause, we cover it, and we link each job to the right specialist treatment.

Below-Ground Waterproofing

Tanking and cavity drain membranes to BS 8102 for riverside cellars and basements on the Thames floodplain.

Penetrating Damp

Spring-line seepage on the chalk slopes and driving rain through solid walls, render and bays.

Rising Damp

Failed or bridged damp proof courses in the solid-walled Georgian and period homes, treated where confirmed.

Condensation & Mould

Black mould in modern estate homes and conversions, cured with the right ventilation rather than a damp proof course.

Timber & Rot

Woodworm, dry rot and wet rot in the timbers of period and riverside property, treated at the cause.

Damp & Waterproofing Surveys

Independent, survey-led diagnosis with a clear written report, ideal for buyers of period and riverside homes.

Call 0300 373 7251 Book a Survey →

Signs of Damp in Marlow Homes

If you are seeing any of these, it is worth getting the cause checked before it spreads:

Water seeping into a cellar or basement

Damp, musty cellars near the river

Tide marks or staining low down on walls

Damp on walls backing onto a slope or bank

Black mould in corners and around windows

Damp patches through render after rain

A persistent damp, musty smell

Rotten or springy floor and skirting timber

How We Work, Survey to Completion

Book a survey

We arrange a convenient visit to your property, anywhere across Marlow and south Bucks.

Diagnose the real cause

We use moisture readings and, where useful, thermal imaging to confirm whether it is below-ground water, rising damp, penetrating damp or condensation, not guesswork.

Clear written report

You get a plain-English report setting out the cause, the recommended work and the costs, sympathetic to period and listed homes.

Carry out the work

Our in-house teams complete the treatment tidily and with minimal disruption, leaving the property clean.

Written guarantee

Installed work is backed by a written 10 year guarantee, transferable on sale.

Damp proofing work to a wall by Advanced Damp

What Our Customers Say

Genuine reviews from Advanced Damp customers.

★★★★★

"Lionel came to survey our flat. He couldn't have been pleasanter or more professional. He explained all his findings and we're hoping we're now on the way to resolving our mould problems."

Claire Hudson

Google review

★★★★★

"Lionel was brilliant. Expert, efficient and extremely helpful in answering our various queries."

Hugo

Trustpilot review

★★★★★

"Lionel was professional, polite and explained the process clearly and concisely. First class service. Would highly recommend."

Andy Dodd

Trustpilot review

Call 0300 373 7251 Read more reviews →

Areas We Cover Around Marlow

We cover Marlow and the surrounding south Buckinghamshire area, including:

Marlow
Marlow Bottom
Little Marlow
Bisham
Medmenham
Hurley
Bourne End
Well End
Bovingdon Green
Frieth
Hambleden
Lane End
Cadmore End
Skirmett
Fingest
Cookham
Wooburn Green
Flackwell Heath

Nearby? See our Maidenhead and Amersham damp proofing pages, or our main London damp proofing page.

Call 0300 373 7251 Book a Survey →

Damp Proofing Marlow FAQs

Which parts of Marlow do you cover?

All of Marlow and the surrounding south Buckinghamshire area, including Marlow Bottom, Little Marlow, Bisham, Medmenham, Hurley, Bourne End, Bovingdon Green, Frieth, Hambleden and Lane End.

Does being on the Thames cause damp problems in Marlow?

It can, and it is the thing that sets Marlow apart. The town sits on the Thames floodplain, on low-lying gravel and alluvium, with the Chiltern chalk rising behind. The riverside has flooded for centuries, enough that the old riverside church and manor hall were undermined by it, so low-lying and riverside property has a high water table, and cellars and basements, including the old chalk-built cellars of period homes, can take in ground and below-ground water. That needs below-ground waterproofing or tanking to BS 8102 rather than a damp proof course. A survey confirms it first.

Can you work on the Georgian homes in the town centre?

Yes. The High Street, West Street and St Peter Street have solid-walled Georgian and period property, much of it listed and in the conservation area. A bridged or failed damp proof course lets rising damp up the wall, and driving rain crosses solid walls as penetrating damp. Old fabric needs a breathable approach, so we confirm the cause and repair sympathetically rather than sealing moisture in.

I have damp on a property on the slopes above Marlow. What causes it?

Above the town the ground rises steeply onto the Chiltern chalk, around Quarry Wood, Marlow Common and Marlow Bottom. On those slopes, water moving through the chalk and clay-with-flints can be forced out as spring-line seepage, showing up as penetrating or hillside damp on walls backing onto the bank. We confirm the water path with a survey before recommending anything.

How much does damp proofing cost in Marlow?

It depends on the cause, how much of the property is affected, access, whether it is a damp proof course or below-ground waterproofing, and whether replastering is needed, so there is no honest one-size figure. After a survey we provide a clear, itemised written report so you know exactly what the work involves and what it costs before deciding anything.

Is the work guaranteed?

Yes. Our installed damp proofing and waterproofing work is backed by a written 10 year guarantee, which is transferable if you sell and is accepted by solicitors and lenders during a sale.

Book a Damp Survey in Marlow

Get the real cause of your damp diagnosed by a specialist who understands Marlow property, from the riverside cellars of the Thames floodplain to the Georgian town centre and the chalk slopes above, with a clear written report and honest advice.

Call 0300 373 7251 Request a Survey →

Last updated June 2026 · Advanced Damp Ltd · Damp proofing in Marlow, Buckinghamshire · 0300 373 7251

Call 0300 373 7251