Building services in Altrincham
House extensions
- Single-storey extensions
- Double-storey extensions
- Side extensions
- Side return extensions
- Wraparound extensions
- Kitchen extensions
- Orangeries
- Glazed and contemporary extensions
- Porches
Loft conversions
- Dormer loft conversions
- Hip-to-gable loft conversions
- Mansard loft conversions
- Rooflight loft conversions
- Bungalow loft conversions
Garage, basement and barn conversions
New build homes
Renovations and structural work
Design and approvals
Guide prices in Altrincham
| Project | Guide range (inc VAT) |
|---|---|
| Single-storey extensions | £1,850–£2,750 per m² of floor area |
| Double-storey extensions | £1,550–£2,350 per m² of floor area (both floors) |
| Dormer loft conversions | £45,000–£64,000 for a typical rear dormer with en-suite |
| Hip-to-gable loft conversions | £51,500–£73,500 for a hip-to-gable with rear dormer |
| House renovations | £850–£1,700 per m² for a medium to full renovation |
| Orangeries | £2,250–£3,200 per m² of floor area |
The guide for Altrincham reflects typical costs in the North West, roughly 6% below the UK-wide figure.
Planning permission in Altrincham
In England a single-storey rear extension is often permitted development: broadly up to 3 metres deep on a semi-detached or terraced house and 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary, and covering no more than half the garden. The larger home extension scheme allows up to 6 or 8 metres if you notify the council first and neighbours have a chance to comment. In conservation areas, National Parks and National Landscapes the larger home extension route, side extensions and cladding are not permitted development. Flats and houses whose rights have been removed need a planning application, and listed buildings need listed building consent.
Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued at the end.
About building in Altrincham
The North West has many brick terraces and inter-war semis, where kitchen extensions and dormer loft conversions add space without moving.
Altrincham sits in Greater Manchester, about 8 miles south-west of Manchester. We cover the whole of Altrincham, including postcodes WA14. Altrincham has a population of around 50,000.
How it works
- 01
Survey and brief
We visit, discuss your ideas and budget, and survey the property or site at no cost.
- 02
Design and pricing
Design options, then a fixed quote based on the chosen drawings and specification.
- 03
Approvals in place
We handle planning, building control and neighbour notices before work starts.
- 04
Build and sign-off
We run the build to a written programme and hand over the completion certificate.
Questions from homeowners in Altrincham
Do I need planning permission for an extension in Altrincham?
In England a single-storey rear extension is often permitted development: broadly up to 3 metres deep on a semi-detached or terraced house and 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary, and covering no more than half the garden. The larger home extension scheme allows up to 6 or 8 metres if you notify the council first and neighbours have a chance to comment. In conservation areas, National Parks and National Landscapes the larger home extension route, side extensions and cladding are not permitted development. Flats and houses whose rights have been removed need a planning application, and listed buildings need listed building consent.
Is the home visit free?
Yes. The first visit to discuss your project and measure up for a quote is free, with no obligation.
How much does a loft conversion cost in Altrincham?
A rear dormer loft conversion in Altrincham typically costs £45,000–£64,000 for a typical rear dormer with en-suite, including VAT.
Do you work in Altrincham?
Yes. We take on extensions, loft conversions, conversions, renovations and new builds across Altrincham, including postcodes WA14.
How much does an extension cost in Altrincham?
A single-storey extension in Altrincham typically costs £1,850–£2,750 per m² of floor area, and a double-storey extension £1,550–£2,350 per m² of floor area (both floors), including VAT.