---
title: "Driveway Extensions & Widening in Cambridge: More Space"
description: "Driveway extensions and widening in Cambridge. Excavation, sub-base and surface installation. Matches existing material. Free site survey."
canonical: "https://www.cambridgeshiredriveways.co.uk/services/driveway-extensions-widening"
lastmod: "2026-10-05T11:37:59.461Z"
---

# Driveway Extensions & Widening in Cambridge

![Driveway Extensions & Widening carried out by a professional driveways](https://utmost-ibex-736.convex.cloud/api/storage/e13fbae0-8e8d-4198-80d1-25acf9203d52)

Add a second parking width to your existing drive without replacing the whole surface.

- **Local Survey First**: The site is surveyed before any work is agreed.
- **Surface Matching**: New section chosen to blend with your existing material.
- **Drainage Checked**: Falls and kerb crossing assessed as part of the survey.
- **Written Quote**: Full quote covering excavation, sub-base and surface finish.

## Where rushed driveway widening fails

The common failure modes are avoidable when the base, drainage, and kerb position are checked before work starts.

- **Poor Drainage Fall**: A new section laid without grading the fall correctly sends water pooling at the house wall or running onto the pavement.
  **Graded Fall Across Full Width**: The drainage fall is set across both old and new sections so water clears the full width away from the building.
- **Mismatched Surface**: Choosing a material without checking the existing surface age and colour leaves a visible join that looks unfinished from the road.
  **Survey Before Agreeing**: The survey notes how closely the new section can match before any work is agreed, so there are no surprises on the day.
- **No Edge Restraint**: A widened section without a set edge restraint spreads at the perimeter, loosening the surface and creating an uneven border.
  **Restraints Set to Perimeter**: Edge restraints are installed along the full new perimeter to hold the surface in place and define the finished line.
- **Kerb Crossing Ignored**: Widening the drive without extending the dropped kerb leaves a raised lip that damages tyres and restricts the usable width.
  **Highway Consent Checked**: If the kerb crossing needs widening, a Cambridgeshire County Council highway consent application is flagged before construction starts.

## What a driveway extension covers

From a single extra parking width to a full front garden layout change, the scope depends on your existing surface and how much space you need.

- **Block Paving Extension**: New block paving section laid on compacted MOT Type 1 sub-base with kiln-dried sand joints to match the existing drive.
- **Tarmac Widening**: Tarmac base and wearing course extended alongside the existing surface, with falls set across the full new width.
- **Resin Bound Extension**: Permeable resin bound aggregate added to meet SuDS requirements on front garden areas over five square metres.
- **Gravel Extension**: Gravel section added with geotextile membrane and edge restraints to contain the surface and prevent spread.

- **Dropped Kerb Check**: Highway consent requirements confirmed before work starts.
- **Drainage Planning**: Falls graded so water clears the full extended width.
- **Edge Restraint Installation**: Perimeter restraints set to hold the new section in place.
- **Surface Matching Assessment**: Existing material, age and colour checked before agreeing.

## Widening a driveway without replacing the whole surface

Adding a second parking width is often straightforward when the existing base is sound and the drainage is planned correctly.

Many Cambridge semi-detached and terraced properties have front drives wide enough for one car but not two. Widening adds a new section alongside the existing surface rather than replacing everything. The survey checks the existing base condition, confirms the drainage fall across both old and new sections, and identifies whether the kerb crossing needs extending to cover the wider access.

Surface matching is the main visual consideration. Block paving, tarmac, resin bound, and gravel can all be extended, though matching an older surface exactly is not always possible, the survey notes this before any work is agreed. Edge restraints are set along the new perimeter, and the drainage fall is graded so water runs away from the house across the full width.

For front garden extensions covering more than five square metres in total, a permeable surface avoids the surface water drainage requirement that applies to impermeable finishes. If the kerb crossing needs widening, a separate highway consent application to Cambridgeshire County Council is required before construction begins. Both checks are part of the initial survey.

[Request a Survey](https://www.cambridgeshiredriveways.co.uk/contact)

## Why use us for driveway widening in Cambridge?

Local knowledge, a clear process, and a written quote before any commitment, here is what that means in practice.

- **Survey Before Any Commitment**: A site visit checks the base and drainage, and the quote covers it in full before work is agreed.
- **Cambridgeshire Kerb Consent Handled**: Highway consent requirements for Cambridgeshire County Council are identified at survey stage, not after digging starts.
- **Written Quote Covering All Stages**: The quote covers excavation, sub-base, drainage falls, edge restraints, and surface finish, no hidden line items.
- **Permeable Surface Guidance**: SuDS compliance for front garden extensions over five square metres is explained clearly so you choose the right finish.
- **Match Assessment Upfront**: How closely the new section can match your existing surface is confirmed before work starts, not after it is laid.

## From enquiry to finished extension

1. **Describe Your Drive**: Tell us the current width, surface material, and how much extra space you need, and we schedule a site survey.
2. **Survey & Quote**: The contractor checks the base, drainage fall, and kerb position, then provides a written quote covering every stage of the work.
3. **Extension Completed**: Excavation, sub-base, edge restraints, and surface are laid to the agreed spec, with drainage falls set across the full new width.

[Request a Survey](https://www.cambridgeshiredriveways.co.uk/contact)

## Typical Driveway Extensions & Widening Prices

| Job | Typical cost |
| --- | --- |
| Small driveway widening | £100-£250 per m² |
| Standard driveway extension | £100-£250 per m² |
| Larger widening project | £100-£250 per m² |

These prices are estimates and often vary with the condition, size and scope of each job. Message or call us for a free, no-obligation quote.

[See all prices](https://www.cambridgeshiredriveways.co.uk/pricing)

## Questions about driveway widening in Cambridge

### Do I need permission to widen my driveway?

Usually yes, if the widening means more than 5 square metres of new hardstanding that is not permeable. Under permitted development rules, non-permeable surfaces over that threshold require planning permission. Permeable materials such as resin bound or block paving with open joints typically avoid that requirement. Check with your local planning authority before work starts.

### Will widening my driveway affect drainage?

Yes, adding more hardstanding increases surface water runoff unless drainage is designed into the extension. A permeable surface or a channel drain at the edge can manage this. The survey arranged before work covers drainage requirements, so the right solution is specified before any ground is broken. See [Driveway Drainage & Channel Drains](https://www.cambridgeshiredriveways.co.uk/services/driveway-drainage-channel-drains) for more detail.

### Can the new section match the rest of my drive?

In most cases yes, though an exact match depends on the existing material, its age and whether the same product is still available. Block paving and resin bound surfaces are the easiest to colour-match closely. Older tarmac or concrete often shows a visible join. A site survey will confirm what level of match is realistic before you commit.

### How much extra parking space can I actually gain?

A standard car bay needs roughly 2.4 metres wide by 4.8 metres deep, so even a 1-metre strip added along the full length of a 5-metre drive creates a usable second space. The actual gain depends on your boundary, the dropped kerb width and any side access you need to keep clear.

### Can this be done without replacing the whole driveway?

Yes. The extension is built as a separate section alongside or in front of the existing drive, with its own sub-base and surface. The existing driveway stays in place unless it is already in poor condition. A site survey will confirm whether the current surface is sound enough to leave untouched.

### Will the work affect my dropped kerb?

It may do if the widening extends beyond the current dropped kerb footprint. Widening the vehicle crossing onto the public highway requires a separate application to the local highway authority. The survey covers kerb requirements, including whether a [dropped kerb extension](https://www.cambridgeshiredriveways.co.uk/services/dropped-kerbs-access) is needed alongside the driveway work.

### How much disruption will there be while the work is being done?

Most extensions take one to three days depending on size and material. Excavation and sub-base work on day one creates the most noise and mess. The existing driveway usually stays accessible throughout, though access may be restricted for a few hours during edging and surface laying. The programme is confirmed at the survey stage.

### How do I know if widening my driveway is allowed at my property?

Check whether your property is in a conservation area or is listed, as permitted development rights are restricted in both cases. Also confirm the boundary line so the extension stays within your land. A site survey flags any obvious planning or boundary constraints before work is priced or started.

[More questions about Driveway Extensions & Widening?](https://www.cambridgeshiredriveways.co.uk/faq/driveway-extensions-widening)

## Tell Us About Your Driveway

Describe the size, existing surface and drainage and we’ll schedule a survey and quote the full job.

[Request a Survey](https://www.cambridgeshiredriveways.co.uk/contact)

## Business details

### Contact

- **Phone**: [07787 475312](tel:07787475312)
- **Email**: [contact@cambridgeshiredriveways.co.uk](mailto:contact@cambridgeshiredriveways.co.uk)
- **Based in**: Cambridge, Cambridgeshire, CB1
- **Enquiries**: [Send an enquiry](https://www.cambridgeshiredriveways.co.uk/contact) — We ask for your name, phone number, email and a message.

### Opening hours

- **Monday**: 08:00 – 18:00
- **Tuesday**: 08:00 – 18:00
- **Wednesday**: 08:00 – 18:00
- **Thursday**: 08:00 – 18:00
- **Friday**: 08:00 – 18:00
- **Saturday**: 10:00 – 16:00
- **Sunday**: 10:00 – 16:00

[Business details](https://www.cambridgeshiredriveways.co.uk/about/business.md)