Newquay, Cornwall
Two-storey rear extension in Newquay
A larger kitchen downstairs and an extra bedroom or bathroom upstairs, under one roof. If you live in Newquay and want to know what a two-storey rear extension would cost and whether it needs planning, start with the online guide price or a free site visit.
Newquay and its postcode districts TR7 are part of our Cornwall coverage. Two-storey rear extensions suit semi-detached houses in Newquay best, where the extra bedroom matters as much as the bigger kitchen.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a two-storey rear extension cost in Newquay?
In Newquay, our guide for a two-storey rear extension is £1,870–£2,810 per square metre including VAT for a standard specification. South West prices run slightly above our West Midlands baseline; natural stone to match the house is the main variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m × 5 m footprint, two floors (30 m²) | £56,000–£84,000 |
| 4 m × 6 m footprint, two floors (48 m²) | £90,000–£135,000 |
Your written price follows a measured survey and an agreed design, so it reflects your house, not an average.
Do you need planning permission for a two-storey rear extension in Newquay?
Here is how the rules in England apply to a two-storey rear extension in Newquay.
A two-storey rear extension can be permitted development in England only if it projects no more than 3 metres, stays at least 7 metres from the rear boundary, matches the existing roof pitch and has obscure-glazed upper side windows. In practice most double-storey rear extensions go through a householder planning application.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. At the first visit we measure what is there now and tell you which route fits: permitted development, prior approval or a planning application.
What are homes in Newquay like to extend?
Stone-built and rendered houses are common around Newquay, so matching the walling is a design decision in its own right: natural stone, reconstituted stone or a render finish across old and new.
How a two-storey rear extension in Newquay comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Design and guide price
Two or three layout options with a guide price for each, so you choose the design knowing what it costs.
Approvals
Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.
Written price, then build
Once the design and approvals are in place, you get a fixed written price and programme, and we build through to sign-off.
Two-storey rear extensions near Newquay
Close by, we work in Truro, about 10.4 miles away, and St Austell, about 14.1 miles away.
- Two-storey rear extension in Truro
- Two-storey rear extension in St Austell
- Two-storey rear extension in Redruth
- Two-storey rear extension in Bodmin
- Two-storey rear extension in Camborne
Other work in Newquay:
FAQ
Two-storey rear extension questions in Newquay
Do I need planning permission for a rear extension in Newquay?
Often not for a single-storey rear extension of up to 3 metres (4 metres on a detached house) under permitted development, or up to 6 or 8 metres with prior approval, unless the house is in a conservation area or its rights have been removed.
Can you match the brick or stone on my Newquay house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
Can it be built on a terraced house?
Sometimes, but the upper floor is harder to get through planning on a terrace because of the effect on neighbours. A single-storey extension with a loft conversion is often an easier route.
Is the site visit in Newquay free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Do I need a party wall agreement?
In England, usually yes if the extension is on or near a shared boundary or the foundations are close to a neighbour's building. We serve the notices.
How much does a two-storey rear extension cost in Newquay?
As a guide, £1,870–£2,810 per square metre including VAT for a standard specification. For example, 3 m × 5 m footprint, two floors (30 m²): about £56,000–£84,000 at that rate. Your written price follows the survey.