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Sandstone & Stone Care

Sandstone Cleaning in Upper North Shore

Sydney sandstone is soft, porous and irreplaceable. We clean it with biocides, dwell time and soft brushing at low pressure, which removes the black crust and green growth while leaving the tool marks and patina that give the stone its character.

Price on request · servicing 9 Upper North Shore suburbs
Sandstone Cleaning in Upper North Shore by The Prestige Standard
$20M
public liability insurance
11 yrs
cleaning Sydney's finest homes
5.0★
Google rating
7-day
re-clean guarantee
Upper North Shore

Sandstone Cleaning across Upper North Shore

The Upper North Shore's large blocks, long driveways and tall trees make it the moss and leaf-litter capital of Sydney. We clean, treat and seal more driveways and tennis courts here than anywhere else. For sandstone cleaning specifically, the surfaces we meet most in Upper North Shore are driveways, gutters, long driveways, pool decks, pool surrounds, render. A quaternary ammonium or hypochlorite biocide is applied and left to work for 20 to 30 minutes, then the surface is brushed and rinsed at under 500 psi with a fan nozzle.

Ku-ring-gai Council. Ku-ring-gai Council is one of Sydney's greenest LGAs, with heavy tree canopy across Wahroonga, Pymble, Killara and St Ives. Roofs, gutters and driveways accumulate leaf litter, lichen and black algae quickly, and large blocks mean long driveways and tennis courts that benefit from professional cleaning and sealing. Many properties sit in bushfire-prone areas where gutter and roof debris removal is a safety task, not just an aesthetic one.

Hornsby Shire Council. Hornsby Shire Council is known as the Bushland Shire. Suburbs like Beecroft, Cherrybrook and West Pennant Hills carry dense canopy, so gutters, roofs and shaded driveways need regular debris removal and moss treatment, and many properties are designated bushfire-prone.

Suburbs we service for sandstone cleaning in Upper North Shore: Wahroonga, Pymble, Killara, Lindfield, Gordon, Turramurra, Warrawee, St Ives, Roseville.

What's included

Every sandstone cleaning job includes

Absorption test and method statement
Biocide treatment of lichen and algae
Soft brushing and low-pressure rinse
Poultice treatment of rust and tannin
Optional breathable sealer
Suitable for

Surfaces and property types

Heritage retaining walls and fences
Steps, paths and flagging
Sandstone houses and footings
Carved and tooled detail
Modern sawn sandstone cladding
Protecting the property during sandstone cleaning
Our method

How we clean it, and how we protect everything around it

A quaternary ammonium or hypochlorite biocide is applied and left to work for 20 to 30 minutes, then the surface is brushed and rinsed at under 500 psi with a fan nozzle. Rust from ironstone inclusions is treated with a reducing poultice. No acid is used.

Pressure capped at 500 psi on all sandstone
Lime mortar joints protected
Carved detail brushed by hand
Heritage documentation on request

Why Choose The Prestige Standard

Right method
per surface

Soft wash for render and cladding. Conservation-grade chemistry for sandstone and limestone. Hot-water rotary cleaning for concrete. Pure water for glass.

Named technician,
not a subcontractor

Nathan scopes the job and a technician you can name leads it. Working-at-heights and police checks on every team member.

Council compliant,
guaranteed in writing

Drains covered and run-off captured on every job. If any area we quoted is not clean on handover, we return within seven days and re-do it at no cost.
Results

Before and after from our sandstone cleaning work

Our own job photos. Left is the surface as we found it, right is handover.

Full Gallery
Before and after: Sandstone Garden Steps Restored BeforeAfter
Sandstone Garden Steps Restored The steps returned to their natural warm sandstone with the iron banding visible again, and the surface skin left intact.
Before and after: Moss and Algae Removed from Shaded Stone Steps BeforeAfter
Moss and Algae Removed from Shaded Stone Steps Growth removed to the stone, grip restored and the biocide treatment slowing regrowth.
Benefits

Why owners book sandstone cleaning

Reveals the warm colour of the stone
Removes slippery growth from steps
Halts the biological decay cycle
Maintains heritage and property value

What clients say

We are extremely happy about Nathan's work. Our house is totally transformed after he pressure jet the place. The sandstone stairs and surround have restored to its former glory. Driveways are like new.

Lillian Lau
Google review · Sandstone Cleaning

Highly recommend The Prestige Standard, they cleaned my sandstone, it looks perfect!

Caspar Howard
Google review · Sandstone Cleaning

I recently had my brick pavers cleaned by Prestige Standard and I couldn't be happier with the results. The team was professional, punctual, and paid great attention to detail. My pavers went from looking dull and stained to fresh and almost brand new again.

Dorris Barratt
Google review · Paving Cleaning & Re-sanding

5.0-star rating on Google. Read all reviews.

Sandstone Cleaning questions answered

If your question is not covered here, call 0494 810 609 or send the quote form and we will answer it personally.

Where we work

Sandstone Cleaning across Upper North Shore

We cover 9 Upper North Shore suburbs for sandstone cleaning from our Double Bay base.

Book sandstone cleaning

Fixed quote within one business day. If any area we quoted is not clean on handover, we return within seven days and re-do it at no cost.

Get a fixed quote

Tell us about the property

Four quick questions, about a minute. Nathan reviews every enquiry personally, measures the surfaces from satellite imagery and sends a fixed-price quote within one business day. Every price is on request and fixed in writing.

Fixed price, written guarantee, no deposit
$20 million public liability
Most jobs scheduled within 7 to 10 days
Same-day photo report
Step 1 of 4
What needs cleaning?

Tap everything that applies. You can add detail later.

Where is the property?
Property type
Anything we should know?

All optional. Photos and a street address let us measure from satellite and quote without a visit.

Where do we send the quote?

We reply within one business day. By contacting us you agree to our Terms of service and Privacy Policy.

Call 0494 810 609 Request a Quote