Existing driveway replacement

Replacing an existing driveway is more than laying a new surface over old problems. Strip-out, disposal, formation repair, drainage upgrades, and a new compacted sub-base decide whether the next finish lasts. Many UK “re-tarmac” jobs fail because soft, contaminated, or waterlogged build-up was left underneath.

This page covers strip-and-rebuild groundworks for domestic driveways. Mainline excavates failed layers, removes arisings, improves formation where needed, and rebuilds Type 1 and drainage ready for block, tarmac, resin, or gravel. Like-for-like cosmetic overlays without opening up are a different, riskier product — we will say so when inspection shows they will not hold.

review Groundworks Contractors in Wandsworth and Groundworks Contractors in Kingston.

When driveway groundworks need proper preparation

When the current driveway is rutted, heaved, drained poorly, or beyond patching; when changing surface type needs different levels; or when a house sale or renovation budget includes a full driveway renew.

It also appears when oil-contaminated old asphalt or mixed hardcore must be removed under proper waste routes before a clean build-up.

What the build-up usually includes

Typical sequence: protect thresholds and neighbouring surfaces, break out and excavate old surface and failed sub-base, sort waste streams, inspect formation, place membrane if specified, compact new Type 1 to depth, renew or add drainage, reinstate edges, then hand over for the new wearing course.

Reuse of existing stone is only viable when it is clean, well graded, and can be re-compacted — mixed brick rubble and clay-contaminated hardcore usually leave the site. Levels often need correcting against doors and DPC that the old drive no longer matched.

Dropped-kerb and planning status should be checked if the replacement changes footprint or impermeable area. Mainline handles the groundworks package; surfacing may be coordinated or separate. Document hold points for formation inspection before covering where Building Control or the client’s surveyor requires photographic evidence of depth and membrane — cheap insurance on disputed domestic jobs.

If this matches your project stage, send drawings and site details for a scoped quote — or call to talk through programme and access constraints.

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Construction sequence

Step 1: Inspect and agree dig-out depth
What this step delivers: Failure scope understood.
Step 2: Break out and dispose
What this step delivers: Arisings removed via correct routes.
Step 3: Rebuild formation and Type 1
What this step delivers: New compacted base complete.
Step 4: Drainage and edges
What this step delivers: Ready for new wearing course.

Failure modes and site constraints

Widespread rutting or breakup of existing drive
Ponding that patches cannot fix
Change of surface needing new levels
Contaminated or mixed old hardcore
Client wants long-term renew not cosmetic overlay

Layer / specification reference

Approach	When it can work	When it fails
Full strip and rebuild	Systemic base/drainage failure	— preferred durable fix
Local dig-out + regulate	Isolated soft spots	Hidden saturation elsewhere
Overlay only	Sound base, minor surface wear	Traps water on failed stone
Surface change on old base	Levels and structure proven	New resin/block on mud

Replacement strategies — when each appears.

Site checklist before surfacing

Trial understanding of existing build-up
Waste disposal route and skip plan
New sub-base depth and drainage scope
Levels vs thresholds and highway
Consent check if footprint/impermeability changes

Drainage and edge detailing

Leave a new compacted base with working drainage and correct levels. Provide waste transfer notes. Brief the client on curing or trafficking times for the new surface once laid. Brief the following trade on protection of the completed formation so scaffolding, deliveries, and skip movements do not undo compaction before the wearing course is down.

What changes cost and programme

Breakout labour, waste classification, skip numbers, and depth of replacement stone dominate. Contaminated asphalt disposal can eclipse clean hardcore rates. Rate intent: costs hub. Partial dig-out only where inspection justifies it — false economy otherwise. Constrained London and Home Counties access, permit bay suspensions, and manual handling of stone where machines cannot enter routinely move domestic quotes more than raw tonnage tables suggest. Sequence skip exchanges so the plot is not blocked when the Type 1 delivery arrives the same day as breakout arisings leave. Confirm garage threshold protection before breakout vibration begins.

Domestic and shared access contexts

Full renew of 20–30 year-old suburban drives
Post-extension driveway rebuilds
Failed DIY hardcore replacements
Preparation for premium resin or block finishes

Frequently asked questions

Can you resurface without digging?

Only if the existing base is sound and drained. Many failing drives are not. We advise after looking.

What happens to the old tarmac?

It is broken out and disposed of via licensed waste routes with transfer notes. Some material may be recyclable depending on classification.

How long will I be without parking?

Depends on dig depth, drainage, and surfacing cure times. We programme phases where the plot allows temporary parking elsewhere.

How This Issue Is Normally Diagnosed and Repaired

Follow the typical path from problem identification through to resolution:

We provide these services across the UK, including

London Richmond Chiswick Wimbledon Fulham Hammersmith Ealing

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Replacing a driveway? Send photos and approximate size for a strip-and-rebuild quote.

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