East of England · England
Driveway extensions and widening in Hertfordshire
Planning a driveway extension in Hertfordshire? We survey, measure and quote across the area, and our guide prices reflect typical East of England costs.
- Guide price
- £80–£130 per m²
- Postcode areas
- SG, WD, AL, EN, HP
- Survey
- Free, no obligation

Driveway extensions and widening across Hertfordshire
A driveway extension adds new hard-standing to an existing drive, usually by taking in part of the front garden, so more cars can park off the road. The new area needs its own excavation and base, and the whole drive is often resurfaced in resin so old and new match.
Resurfacing the old and new areas together in one resin bound pour avoids a visible join and gives you one even colour across the whole drive.
Typical projects we can quote for in Watford include swapping loose gravel for a resin surface that stays put, widening a drive into the front garden for a second car and overlaying sound tarmac on a two-car drive.
Prices in Hertfordshire
Labour and material costs in the East of England run above the UK average, and the guide figures below reflect that. They include VAT and are confirmed after a survey.
Driveway extensions and widening: £80–£130 per m².
For a 70 m² drive in Hertfordshire, built with a dig-out and new permeable base, expect roughly £5,650–£9,050 including VAT before any drainage or kerb work.
Planning in Hertfordshire
In England, a new or replaced hard surface of more than 5 m² in a front garden is permitted development only if it is porous, or if rainwater drains to a lawn, border or soakaway within the property. A fully permeable resin bound build, with a porous base under it, meets that test.
Permitted development rights apply to houses, not flats or maisonettes, and some conservation areas have Article 4 directions that remove them. Listed buildings can need consent if railings or historic walls are affected.
If cars will cross the pavement in a new place, or the crossing needs widening, consent is needed from your council as local highway authority before any kerb work.
Weather and working days
The East of England is the driest part of the UK, which gives a long resin laying season, though heavy clays in places mean the sub-base needs designing for slow drainage. Laying days in Watford are confirmed close to the date, because rain and cold stop resin curing properly.
Driveway extensions and widening in Hertfordshire: questions
Is the price fixed for Hertfordshire jobs?
Yes, once the scope and specification are agreed in writing. If hidden ground conditions turn up, we explain and agree any change with you before doing extra work.
Can you match a resin colour I have seen in Hertfordshire?
Often, yes. Tell us where you saw it or show us a photo, and we will bring the closest blends to the survey to compare in daylight.
How much is a driveway extension in Hertfordshire?
As a guide, £80–£130 per m² in Hertfordshire including VAT, depending mainly on whether your existing base can be overlaid. Your written quote follows a free survey.
Other services in Hertfordshire
- Resin bound driveways
- Resin bonded driveways
- Resin over tarmac and concrete
- New resin driveways (full dig-out)
- Permeable SuDS driveways
- Resin patios
- Resin garden paths
- Resin steps
- Resin pool surrounds
- Accessible resin ramps
- Excavation and sub-base
- Driveway drainage and soakaways
- Driveway edging and borders
- Dropped kerb applications
- Resin driveway repairs
- Resin driveway cleaning
- Resin driveway restoration
- Commercial resin surfacing
- Resin tree pits
- Anti-slip resin surfacing
- Footpaths and cycle paths
Free survey · itemised quote
Book a free survey in Hertfordshire
Tell us about your project and we will arrange a visit.
- Base, edging and drainage priced line by line
- Real blend samples shown in daylight
- Price fixed in writing once the spec is agreed
Prefer to talk? 0800 088 6341 or