Liverpool
House Extensions in Aigburth
Local builders. Fixed-price quotes. 20-year structural guarantee. CNR Construction covers Aigburth and the surrounding area.
House Extensions in Aigburth
Aigburth is one of south Liverpool's most desirable residential areas, sitting between Sefton Park and the Mersey with wide tree-lined roads and a concentration of Victorian and Edwardian housing that offers outstanding extension potential. Property values here mean a well-built rear or double-storey extension adds significant value to already strong assets.
What to expect building in Aigburth
Cressington Park is a private estate of substantial Victorian properties near the Mersey within Aigburth and is a designated conservation area. Extensions within Cressington Park are subject to additional controls and the conservation area's character must be respected. Outside Cressington Park, Aigburth's Victorian housing is well suited to double-storey rear extensions and dormer loft conversions. CNR Construction covers Aigburth from our Wirral base via the Mersey Tunnel and regularly works across south Liverpool for clients who want the quality and reliability of an established local builder.
Typical housing stock in Aigburth
Large Victorian and Edwardian semi-detached and detached properties line the principal roads including Mersey Road, Aigburth Vale, Aigburth Road, and the streets between Sefton Park and the river. Many have deep rear gardens with room for substantial extensions. More modest Victorian housing sits on the side streets.
CNR Construction are Wirral-based builders with over 15 years of experience across Merseyside. We cover Aigburth 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 Aigburth 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 Aigburth
Beyond those specific considerations, many single-storey rear extensions in Aigburth fall within Permitted Development rights and do not require a planning application to Liverpool City 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 Aigburth 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 Aigburth
Do I need planning permission for a house extension in Aigburth?
Cressington Park Conservation Area covers the private riverside estate within Aigburth. Outside this area, Liverpool City Council standard permitted development rules apply. Double-storey and loft projects visible from the road should be designed with the period character of the streetscene in mind. In general, single-storey rear extensions within the standard Permitted Development limits do not require a planning application to Liverpool City 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 Aigburth?
Costs in Aigburth 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 Aigburth?
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 Aigburth?
Yes. CNR Construction are based in Wirral and cover Aigburth and the surrounding areas of Liverpool. Call us on 07784 255380 or contact us online to arrange a free site consultation.
Also Covering Nearby Areas
We work across Aigburth and the surrounding areas of Liverpool.
Get a Free Quote for Your Aigburth Extension
We visit your property, discuss your plans, and provide a detailed written quote. No obligation, no pressure.