Wirral
House Extensions in Wallasey
Local builders. Fixed-price quotes. 20-year structural guarantee. CNR Construction covers Wallasey and the surrounding area.
House Extensions in Wallasey
Wallasey covers a broad sweep of north Wirral including Liscard, Poulton, Seacombe, and the coastal resort of New Brighton. It has one of the most varied housing mixes on the peninsula, from dense Victorian terraces near the Mersey waterfront to the interwar semis that define the inland residential areas, and extension demand is strong across all of them.
What to expect building in Wallasey
Coastal exposure is a genuine design factor for properties near New Brighton promenade and Leasowe. Salt-laden air affects render longevity, window frame materials, and roofing specification. We use materials rated for coastal environments on properties within the more exposed zones. In the denser inland areas around Liscard, access and parking on established residential streets is something we plan for carefully on every project, particularly for skip placement and materials delivery.
Typical housing stock in Wallasey
Interwar semi-detached housing dominates Liscard and Poulton, particularly on Leasowe Road, New Road, and the streets running parallel to the main shopping area. Victorian and Edwardian terraces sit closer to the Seacombe waterfront and along parts of Wallasey Village. Larger Edwardian properties with better plots are found on the elevated roads near the golf links.
CNR Construction are Wirral-based builders with over 15 years of experience across Merseyside. We cover Wallasey 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 Wallasey 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 Wallasey
Beyond those specific considerations, many single-storey rear extensions in Wallasey 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 Wallasey 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 Wallasey
Do I need planning permission for a house extension in Wallasey?
New Brighton seafront streets have some character area considerations. Standard Wirral Council permitted development rules apply to the majority of Wallasey's residential areas. The Prior Approval scheme for larger extensions is not available in conservation areas or streets with Article 4 directions. 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 Wallasey?
Costs in Wallasey 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 Wallasey?
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 Wallasey?
Yes. CNR Construction are based in Wirral and cover Wallasey 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 Wallasey and the surrounding areas of Wirral.
Get a Free Quote for Your Wallasey Extension
We visit your property, discuss your plans, and provide a detailed written quote. No obligation, no pressure.