Greater London · England
Driveway extensions and widening in Harrow
We survey and quote driveway extensions and widening in Harrow and nearby. Every quote names the resin, the depth and the base work, so nothing is left vague.
- Guide price
- £90–£145 per m²
- Postcodes
- HA1, HA2, HA3, HA5, HA7
- Survey
- Free, no obligation

What driveway extensions and widening involves
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.
Before quoting in Harrow we look at three things: the base, the falls, and where water goes. Those decide the specification, and the specification decides the price. Drives in Harrow range from single-car frontages to wide plots, which is why every price follows a measured survey.
Projects we quote in and around Harrow include framing a golden blend with charcoal granite setts, swapping loose gravel for a resin surface that stays put and replacing tired block paving with a permeable resin build. More about driveway extensions and widening.
Prices for driveway extensions and widening in Harrow
For London, where typical costs are well above the UK average, these are the ranges we would expect before seeing your property.
As a guide, a 25 m² drive in the HA1 area with a dig-out and new permeable base would be around £2,250–£3,600, including VAT.
| Service | Guide price inc VAT |
|---|---|
| Driveway extensions and widening | £90–£145 per m² |
| Resin driveway cleaning | £95–£240 per visit |
| Resin garden paths | £60–£170 per m² |
Based on London rates. See the full price guide or price your own project.
Planning in Harrow
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.
General information for England, not legal advice.
Weather and working days
London is one of the drier parts of the UK, but heavy summer downpours on small, mostly paved plots are exactly what front-garden drainage rules were written for. Surveys run all year; resin work itself waits for a dry day above about 5°C.
How it works
You start with a guide price, we visit to measure and check the site, you get a written quote, and we book the work for suitable weather.
Driveway extensions and widening in Harrow: questions
Can you match a resin colour I have seen in Harrow?
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.
What postcodes do you cover around Harrow?
We cover HA1, HA2, HA3, HA5 and HA7 and the surrounding districts, including Wembley and Northolt.
How soon can you survey in Harrow?
Call 0800 088 6341 or use the quote tool and we will offer survey dates. Surveys are free and run all year.
Driveway extensions and widening near Harrow
Other services in Harrow
- 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
- 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
Free survey · itemised quote
Book a free survey in Harrow
We cover HA1, HA2, HA3, HA5 and HA7 and nearby. Tell us about your project and we will be in touch to 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