What Affects the Cost of a Bitumen Driveway, and What a Quote Should Show

In Queensland, a spray seal driveway is hot bitumen sprayed over a compacted gravel base, then covered with stone and rolled. Its cost depends on length and width, the state of the base, drainage, any prime or primerseal, one coat or two, access for the sprayer truck and travel. A written quote after a site visit is the reliable figure.

Updated 25 September 2026.

Get an on-site quote or call (07) 5447 6619. Based in Cooroy, working across the Sunshine Coast, Noosa and Gympie, Brisbane north, Moreton Bay, the Fraser Coast, the Burnetts, Bundaberg, Toowoomba and the Western Downs. See our service areas.

How much does a bitumen driveway cost?

There is no single honest figure, because a spray seal driveway is priced on the ground it sits on. The total depends on the area, base and drainage work, the treatment (a prime or primerseal, one coat or two), the stone, truck access and travel. An itemised written quote after a site visit is the number to trust.

This guide explains each of those cost drivers without prices, so you can read a quote line by line and compare two quotes fairly. When you want a figure for your own drive, ask for an on-site quote.

Austroads notes that sprayed seals are the main surface on rural roads, while asphalt and concrete predominate in urban areas. So the first question is which job you are pricing; this guide covers spray seal only.

Which job are you pricing? What usually drives the price Read next
Sealing an existing gravel drive Base condition, drainage and length Gravel or spray seal
A new drive from bare ground Clearing, earthworks, new road base and drainage, then the seal Sealing drives on the Sunshine Coast
Resealing an old bitumen drive The condition of the old surface and the area Our Sunshine Coast sealing page
A small urban drive or car pad Whether a spray seal suits at all: asphalt and concrete are the common urban surfaces Bitumen vs asphalt
A long shared or private road Length, drainage, access, and how neighbours split the work Sealing a private or shared road

The cost drivers, one by one

Eight things move a spray seal driveway quote: size and shape, base condition, drainage, preparation and edging, the treatment, the stone, access for the sprayer truck and roller, and travel and set-up. The first six are about your drive itself. The last two are about getting the crew and plant to your site, and are part of any quote.

Driver Why it changes the price What a site visit should check
Size and shape More area takes more bitumen, stone and time Length, width, turning areas, parking pads
Base condition A seal adds no strength, so weak areas are fixed first Soft spots, ruts, potholes, gravel depth
Drainage Water in the base weakens it Crossfall, low points, table drains, runoff
Preparation and edging Clearing, grading, compaction, sweeping and edges take time and plant Vegetation, levels, edges against grass or gardens
Treatment A prime means a separate visit; a second coat adds bitumen, stone and time New or existing base; traffic on the drive
Stone (aggregate) Sized for the traffic; very large stone adds cost Traffic, slope, finish
Access The sprayer truck, stone spreader and roller must get in, work and turn Gates, slope, soft verges, branches, power lines
Travel and set-up Distance, and a separate trip for each visit Distance; whether one visit is enough

Source: Austroads, Guide to Pavement Technology Part 4K (AGPT04K-26, 2026), sections 2.3.2, 3.2, 3.3.2 and 4.5.2 and Table 4.2; TMR MRTS11 (July 2025), clause 10.1.2 and Table 9. Drivers only; no prices.

Council crossover works where the drive meets a public road

Where a drive meets the road, the crossover is the section inside the road reserve, and building and maintaining it is the owner’s responsibility. Councils handle it differently:

  • Sunshine Coast: approval is needed for work in the road reserve, and work must not start before the final approval notice.
  • Noosa: written approval may be needed for a non-standard crossover.
  • Gympie: approval is needed where the property adjoins a council-controlled road.
  • Moreton Bay: owners self-assess whether the crossover meets council’s requirements or needs a referral to council for assessment.
  • State-controlled roads: approval comes from the Department of Transport and Main Roads (TMR).

On the Sunshine Coast, resealing an existing drive is different: the council lists sealing your driveway as basic maintenance that needs no approval. Other councils may differ. If a quote excludes the crossover, ask who arranges the approval.

Base and drainage: the work under the seal

A spray seal is a thin waterproof surface: it adds no strength of its own, and the gravel base underneath carries the load. If the base is soft, rutted or holding water, it is fixed before sealing. Drainage keeps water out of that base, which is what lets the seal last.

Signs the base needs work

  • Soft or spongy patches that give under a car
  • Wheel ruts and corrugations
  • Potholes that keep coming back
  • Water that ponds, or runs down the wheel tracks after rain

Each is fixed before sealing, because poor or wet gravel lets the stone sink in, and compaction and an even surface are critical to a lasting seal. That work belongs on the quote as its own line. For what happens to the base on the day, see how a driveway is spray sealed.

Sloping hinterland drives: scour and runoff

On a sloping gravel drive, runoff tends to follow the fall or the wheel tracks. TMR’s road maintenance guidelines describe scour channels forming this way on unsealed surfaces where drainage is blocked or inadequate, or where ruts and corrugations concentrate the water. Because water in a base weakens it, a quote for a long hinterland drive may include crossfall, table drains, pipes or culverts before any bitumen.

Reworking existing gravel or adding new road base

Sound existing gravel may only need grading, shaping and compacting. Thin, poor or wet gravel may need new road base first, which means more material and more plant time. Check which one a quote allows for.

Cheapest today or cheapest to own

A quote that leaves out base or drainage work can look cheaper. But a seal only performs as well as the base under it, and water in the base shortens the life of the whole pavement. When two quotes differ, check first whether both include the same base and drainage work.

Reading a driveway quote: prime, primerseal, one coat or two

A good quote lists each stage so two quotes compare like for like: base work, drainage, any prime or primerseal, the seal coats, the stone size, travel and exclusions. ‘Prime and seal’ means a new base is primed, left to cure, then sealed on a later visit. A two coat seal adds a second spray and smaller stone.

Whoever quotes your drive, ask for the coat type and the stone size in writing. A second coat adds cost, and so does very large stone, so two quotes only compare when they name the same treatment and stone.

Line on the quote What it is Why it is there
Site preparation Clearing, shaping, compacting, sweeping The seal follows the shape of the base
Base work Repairs or new road base A seal adds no strength
Drainage Crossfall, drains, pipes, culverts Keeps water out of the base
Prime A light primer spray on a new base, usually with no stone Bonds base to seal; cures first, generally at least 3 days for a cutback prime
Primerseal (initial seal) A first seal on an unprimed base Carries traffic once laid; a final seal follows
Seal, first coat Hot bitumen, covered with stone, rolled The wearing surface
Seal, second coat A lighter spray with smaller stone Locks the first stone in; a tougher surface
Aggregate Stone size (mm) and type Sized for traffic; very large stone adds cost
Travel and set-up Crew and plant to site, per visit Distance and number of visits
Exclusions Work the quote leaves out For example the crossover and its approval

Source: TMR MRTS11 (July 2025), Table 2 and clause 11.4; Austroads AGPT04K-26 (2026), sections 3.2, 3.3.2 and 4.5.2.

Prime or primerseal: why a quote shows one or the other

A prime soaks into a new base and bonds it to the seal that follows. It must be dry before it is driven on or sealed: Austroads says a cutback prime generally needs at least 3 days to cure and an emulsion prime at least 1 day, depending on the weather. So ‘prime and seal’ means two visits, and the drive is out of use while the prime cures.

A primerseal (current Austroads and TMR documents call it an initial seal) goes straight onto an unprimed base and can carry traffic once laid, with a final seal to follow. Austroads notes it carries a higher risk of failure than prime and seal, which it calls generally more economic in overall cost. If a quote shows a primerseal, ask whether the final seal is in the price. For fuller definitions, see primer seals.

One coat or two: the cost difference

A two coat seal, which Austroads and TMR call a double/double seal, is two sprays of bitumen, each followed by stone: larger stone first, then, after rolling and sweeping, a lighter spray with smaller stone that locks it in place, for example 14 mm then 7 mm. Austroads places it above a single coat seal in both initial cost and effectiveness. So the second coat buys more bitumen, stone and time on site, and a tougher surface. Which one suits your drive is best settled at the site visit, so ask for an on-site quote.

Want your own driveway itemised like this? Get an on-site quote.

Why per square metre prices online rarely fit a rural driveway

Online per square metre figures often put hot-mix asphalt and spray seal in one range, and treat preparation, drainage, edging and road base as extras. On a long rural drive, only a site visit shows how much of that work yours needs. Two per square metre rates only compare when both quotes cover the same preparation, treatment and stone.

Search how much it costs to bitumen a driveway, and the AI answer at the top of the Brisbane results gives one per square metre range covering both spray seal and hot-mix asphalt; the same results have included a page about asphalt driveways in Perth. Whether you look up the average cost of a bitumen driveway or how much driveway sealing costs, check what the figure includes. Many list preparation, drainage, edging and a road-base layer as extras. On a long hinterland drive with a soft base and a slope to drain, base and drainage work may be needed before any bitumen, and a per square metre rate will not show it.

Before you compare two rates, check:

  • Is it spray seal or hot-mix asphalt? They are different surfaces.
  • Does the rate include base work and drainage?
  • Is there a prime or a primerseal first, and is it one coat or two?
  • What stone size is quoted?
  • Is travel included, and for how many visits?

That is why this guide gives no rates. A bitumen driveway price, a bitumen spray seal driveway price or any bitumen seal cost you find online is a guess until someone has seen your base, drainage and access. For how asphalt compares with spray seal, see bitumen vs asphalt.

Travel, access and timing

A spray seal needs a bitumen sprayer, a stone spreader and a roller on site, so distance and the number of visits are part of any quote. The trucks need room to get in, work and turn. Sealing also needs warm, dry weather, so a booking can move when rain is forecast.

Getting the trucks in

TMR’s specification for state road work lists the plant for a sprayed seal: a bitumen sprayer, a mechanical stone spreader, a multi-wheeled rubber-tyred roller and a road broom. It also says the bitumen goes on from the sprayer, with hand spraying only where the sprayer cannot reach. On a driveway, a site visit should check:

  • gates and the width of the entrance
  • slope and tight corners
  • soft verges
  • low branches and overhead power lines
  • room to turn near the house or shed

How travel is priced

Cuzkell is based at 3 Johnson Ct, Cooroy. Whoever quotes your drive, travel and set-up come with each visit, so a prime and a later seal mean two trips. Ask how travel is shown on the quote.

Queensland weather and your sealing date

TMR’s specification for state road work says sprayed sealing should be programmed for warm, dry conditions, with no spraying in rain or when rain is likely before the stone is spread and rolled. In cool or damp conditions bitumen grips the stone poorly, which Austroads links to early stone loss. TMR’s default minimum surface temperatures are 10°C for a prime and 20°C for a bitumen seal.

Time of year near Cooroy What it means for sealing Source
February and March The wettest months on average, with the most rain days in March Bureau of Meteorology, Tewantin RSL Park
May to August (Tewantin); April to October (Gympie, inland) TMR rates these as higher-risk months for sealing, because of cold or rain TMR Technical Note TN186
September The driest month on average Bureau of Meteorology, Tewantin RSL Park

For timing your job, see the best time of year to spray seal.

Shared roads and neighbours

If your drive is part of a longer shared road, the same questions apply to the whole road, and neighbours need to agree how the work is split. See sealing a private or shared road.

Setting a driveway allowance: a note for builders and developers

A driveway allowance is only as good as what it includes. Price the seal once the finished levels, base and drainage are known, and keep earthworks, base, drainage and seal as separate lines. Allow for the curing time after a prime, and plan the final seal for after heavy construction traffic has finished.

What the allowance should cover

  • Earthworks and road base, as their own line
  • Drainage: crossfall, table drains, pipes or culverts
  • A prime and its curing time, or a primerseal
  • The seal coats and the stone size
  • The crossover and its council approval, where the drive meets a council road
  • Travel and set-up for each visit

Staging the seal on a new build

Austroads notes that on new construction, a small-stone initial seal can carry construction traffic at the lowest cost and be resealed before the road opens, and that a small-stone treatment can waterproof a new pavement that will not be used for some time. On a new home or lot, that can mean a temporary seal while trades are on site and a final seal once they have gone, so both belong in the allowance. The crossover may also need its own council approval; see the council list above.

Estate roads and car parks

Before you pay: how to check a sealing contractor

Before you pay, get a written, itemised quote after a site visit, with the business name, address and ABN, naming the treatment and stone. Be wary of a door-knock offer of leftover bitumen, pressure to decide on the day or a request for cash up front. Queensland Police and the Office of Fair Trading have both warned about these tactics.

Police say these so-called bitumen bandits cold call and may offer to drive people to the bank for a deposit; they advise researching the business and getting written quotes first. The Office of Fair Trading advises paying nothing up front to a travelling trader, not even for materials.

Your rights when the offer comes to your door

  • An uninvited offer you agree to at your door is usually an unsolicited consumer agreement, with 10 business days to change your mind.
  • During that cooling-off period, the business cannot supply the service or take any payment or deposit.
  • Door-to-door sellers may call only between 9am and 6pm on weekdays and 9am and 5pm on Saturdays, never on Sundays or public holidays.
  • They must give their name and the business name and address, and must leave when asked.
  • If they break these rules, you can cancel the contract up to 6 months after signing.
  • During a declared natural disaster, the cooling-off period does not apply to work linked to the disaster.

So a door-knocker who wants to start today and be paid today is usually asking for something these rules do not allow.

A 9-point checklist before you pay

  1. A written, itemised quote after a site visit.
  2. An ABN you have checked on ABN Lookup, which shows free of charge whether it is active or cancelled, the business type, GST status and, where available, past trading names.
  3. A business name, street address and phone number on the quote and the receipt.
  4. Proof of public liability insurance, if you ask for it.
  5. A licence check where it applies. The QBCC Regulation 2018 lists laying asphalt or bitumen as work that is not building work. If your job also includes other work, such as concreting, ask QBCC whether a licence applies, and check any licence on the QBCC licensee register.
  6. Industry membership you can check yourself. For example, the Australian Flexible Pavement Association (AfPA) publishes a member directory.
  7. The treatment and stone named: prime or primerseal, one coat or two, and the stone size.
  8. Payment terms in writing before work starts.
  9. Your cooling-off rights, if the offer came to your door uninvited.

Council or civil work? See engaging a bitumen spraying subcontractor.

Frequently asked questions

How much does it cost to seal a driveway in Australia?

There is no national figure worth relying on. Prices found online often mix spray seal with hot-mix asphalt and treat base work, drainage and edging as extras. What you pay depends on the size of your drive, its base and drainage, the treatment, the stone, truck access and travel. A written quote after a site visit is the reliable figure: get an on-site quote.

What is the typical cost of installing a bitumen driveway in Brisbane?

A typical figure hides the things that decide yours: the area, the state of the base, drainage, a prime or primerseal, one coat or two, the stone and travel. Only a site visit can price those. Cuzkell is based in Cooroy, and its current service area includes Brisbane north and Moreton Bay. See our service areas.

How much does a bitumen driveway cost per square metre?

A per square metre rate only means something when you know what it includes. Online rates often blend spray seal with hot-mix asphalt and treat base work, drainage and edging as extras. Before comparing two rates, check that both cover the same preparation, the same treatment (prime or primerseal, one coat or two) and the same stone size. For what each treatment is, see primer seals.

How much for a 30m2 driveway?

Even a small spray seal means bringing a bitumen sprayer, stone and a roller to site, and travel and set-up are part of any quote. Asphalt and concrete are the common urban surfaces, so they are worth comparing for a small car pad. For how asphalt differs from spray seal, see bitumen vs asphalt.

Does a two coat seal cost more than a single coat?

Yes. A two coat seal (double/double) is two sprays of bitumen, each covered with stone, so it takes more bitumen, more stone and more time on site. Austroads places it above a single coat seal in both initial cost and effectiveness, and describes multiple-application seals as a robust, heavy-duty surface. Which one suits your drive is best settled at the site visit; see how we seal drives on the Sunshine Coast.

How can I tell a genuine sealing contractor from a bitumen bandit?

Ask for a written, itemised quote after a site visit, with a business name, street address and an ABN you can check on ABN Lookup. Be wary of anyone offering leftover bitumen from another job, pushing a today-only deal or asking for cash up front. If the offer came to your door uninvited, you usually have 10 business days to change your mind, and the business cannot start work or take payment in that time. See the 9-point checklist.

Is it cheaper to seal your own driveway?

Not with a spray seal. It is hot bitumen applied from a sprayer, covered with stone and rolled, so it is work for a sealing crew. Most driveway sealers sold for home use are coatings brushed, rolled or sprayed onto an existing, sound surface such as concrete, pavers or old asphalt; they do not turn a gravel drive into a sealed one. See how a driveway is spray sealed.

About this guide

Published by Cuzkell Pty Ltd, a bitumen spray sealing contractor based at 3 Johnson Ct, Cooroy. The technical and legal points in this guide come from Austroads, TMR, local councils, the Bureau of Meteorology, the Office of Fair Trading, the ACCC and QBCC, listed under Sources.

Get a quote for your drive

Other questions? Contact us.

Based in Cooroy, working across the Sunshine Coast, Noosa and Gympie, Brisbane north, Moreton Bay, the Fraser Coast, the Burnetts, Bundaberg, Toowoomba and the Western Downs. See our service areas. Monday to Friday, 6am to 6pm.

Sources

All checked 25 September 2026.

About Us

Established in 2005, Cuzkell Pty Ltd is a family-run business based in Cooroy, working across the Sunshine Coast, Noosa and Gympie. We also take on work in Brisbane north, Moreton Bay, the Fraser Coast, Bundaberg, the North and South Burnett, Toowoomba and the Western Downs. Call (07) 5447 6619 to check whether we can reach your site.
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