Wirral
House Extensions in Heswall
Local builders. Fixed-price quotes. 20-year structural guarantee. CNR Construction covers Heswall and the surrounding area.
House Extensions in Heswall
Heswall is one of Wirral's most sought-after addresses, sitting on the Dee estuary with views across to North Wales. It attracts professionals, families, and retirees who have invested significantly in their properties and regularly extend them to create premium living spaces. The scale of projects in Heswall tends to be larger than in most other Wirral locations.
What to expect building in Heswall
The ground on the slopes leading towards the Dee estuary can be variable. Sandy and silty soil types in parts of the lower Heswall area mean we assess drainage and foundation conditions carefully before specifying groundworks. Properties with Dee estuary views are often extended specifically to maximise that outlook, which influences the placement and height of rear extensions. The quality expectation for extension projects in Heswall is consistently high and we approach all work here with that in mind.
Typical housing stock in Heswall
Detached properties dominate Heswall, particularly on the roads off Banks Road, towards Gayton, and in the Old Heswall area around Oldfield Road and Riverbank Road. Victorian and Edwardian detached and semi-detached properties are found in the older village parts, while more modern executive detached homes sit on later developments. Many plots are generous with good rear access.
CNR Construction are Wirral-based builders with over 15 years of experience across Merseyside. We cover Heswall as part of our wider service area. View our full house extensions service for details on everything we offer.
Extension Types We Build
- Single-storey rear extensions
- Double-storey rear extensions
- Side return extensions
- Wraparound extensions
- Open-plan kitchen-diner layouts
- Bifold and sliding door installations
- Vaulted ceilings and skylights
- Underfloor heating
What's Included
Every house extension we build in Heswall is fully managed from groundworks to final plastering.
Groundworks and Foundations
Excavation, drainage, and concrete footings built right from the start.
Structural Brickwork
Matching brickwork tied seamlessly into your existing property.
Roofing
Pitched, flat, or lantern roofs, weathertight and fully guaranteed.
Windows and Doors
Supply and fit of bifold doors, skylights, and Velux rooflights.
Insulation and First Fix
Fully insulated walls, floor, and roof to current building regulations.
Plastering
Skimmed smooth walls ready for your decorator.
Planning Permission in Heswall
Beyond those specific considerations, many single-storey rear extensions in Heswall fall within Permitted Development rights and do not require a planning application to Wirral Council. Standard PD limits are 3 metres beyond the original rear wall for semi-detached and terraced houses, and 4 metres for detached houses. Larger single-storey extensions of up to 6 metres or 8 metres may be possible under the Prior Approval scheme.
We confirm the planning position for every project before work begins. For a full breakdown of the rules, see our planning permission guide.
Our Guarantee
Every house extension we complete in Heswall is backed by our 20-year structural guarantee, provided in writing at handover. It covers structural integrity and workmanship from the date of practical completion and is transferable if you sell the property.
We also provide fixed-price written quotes before any work starts. What we quote is what you pay.
20 Years
Structural guarantee
15+
Years experience
50+
Projects completed
Fixed
Price quotes
Questions About House Extensions in Heswall
Do I need planning permission for a house extension in Heswall?
Some areas on the slopes towards the Dee have landscape sensitivity designations near the Wirral Shoreline SSSI. Wirral Council planning can confirm applicable restrictions for a specific plot. Standard permitted development rules apply to the majority of Heswall's residential streets. In general, single-storey rear extensions within the standard Permitted Development limits do not require a planning application to Wirral Council. The limit is 3 metres for semi-detached and terraced houses and 4 metres for detached houses. Larger extensions under the Prior Approval scheme may also be available depending on your specific property and location. We confirm the exact position before any work begins.
How much does a house extension cost in Heswall?
Costs in Heswall vary depending on the size, type, and specification of the project. A single-storey rear extension typically starts from around £1,500 to £2,000 per square metre for a well-built, fully insulated extension. CNR Construction provides a detailed fixed-price written quote before work starts, so you know the full cost upfront with no surprises.
How long does a house extension take to build in Heswall?
A single-storey rear extension typically takes 8 to 14 weeks on site once work begins. A double-storey extension may take 12 to 20 weeks depending on scope. We agree a programme before starting and keep you updated at every stage.
Do you cover Heswall?
Yes. CNR Construction are based in Wirral and cover Heswall and the surrounding areas of Wirral. Call us on 07784 255380 or contact us online to arrange a free site consultation.
Also Covering Nearby Areas
We work across Heswall and the surrounding areas of Wirral.
Get a Free Quote for Your Heswall Extension
We visit your property, discuss your plans, and provide a detailed written quote. No obligation, no pressure.