Frinton-on-Sea, Essex
Two-storey rear extension in Frinton-on-Sea
We plan and build two-storey rear extensions for homeowners in Frinton-on-Sea. A larger kitchen downstairs and an extra bedroom or bathroom upstairs, under one roof. Start with a free site visit, then a written price once the design is agreed.
Frinton-on-Sea sits in Essex, with postcode districts including CO13 and CO14. In Essex we check the neighbours' rear windows first, because the upper floor is where most two-storey schemes win or lose planning.
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 Frinton-on-Sea?
Guide prices for a two-storey rear extension in Frinton-on-Sea start from our East of England rate of £1,910–£2,860 per square metre, including VAT. East of England prices run slightly above our West Midlands baseline; clay soils near trees are the main foundation variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m × 5 m footprint, two floors (30 m²) | £57,000–£86,000 |
| 4 m × 6 m footprint, two floors (48 m²) | £91,500–£137,500 |
We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
Do you need planning permission for a two-storey rear extension in Frinton-on-Sea?
Planning for a two-storey rear extension in Frinton-on-Sea follows the English householder rules.
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 Frinton-on-Sea like to extend?
Frinton-on-Sea mixes Victorian terraces with 1930s semis, so both side returns and full-width kitchen extensions suit houses here.
How a two-storey rear extension in Frinton-on-Sea comes together
Look round and measure
A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Approvals
Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.
Fixed price and build
A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.
Two-storey rear extensions near Frinton-on-Sea
From Frinton-on-Sea, the nearest places we also cover are Walton-on-the-Naze (1.6 miles) and Clacton-on-Sea (4.7 miles).
- Two-storey rear extension in Walton-on-the-Naze
- Two-storey rear extension in Clacton-on-Sea
- Two-storey rear extension in Harwich
- Two-storey rear extension in Felixstowe
- Two-storey rear extension in Colchester
Other work in Frinton-on-Sea:
FAQ
Two-storey rear extension questions in Frinton-on-Sea
Can you match the brick or stone on my Frinton-on-Sea house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
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.
Does a two-storey rear extension need planning permission?
Almost always. England and Northern Ireland allow 3 metres without an application only if at least 7 metres remains to the rear boundary; Wales and Scotland are similar or stricter.
How long does a rear extension take to build in Frinton-on-Sea?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
How much does a two-storey rear extension cost in Frinton-on-Sea?
As a guide, £1,910–£2,860 per square metre including VAT for a standard specification. For example, 3 m × 5 m footprint, two floors (30 m²): about £57,000–£86,000 at that rate. Your written price follows the survey.
Do I need planning permission for a rear extension in Frinton-on-Sea?
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.