West Molesey, Surrey
Bungalow rear extension in West Molesey
Bungalow rear extension in West Molesey: single-storey rear extensions that keep everything on one level. We measure the house, show you what the rules allow, price it in writing and build it.
West Molesey and its postcode districts KT8, KT12 and KT13 are part of our Surrey coverage. For West Molesey bungalows we design the roof first, because the low eaves decide the height of the new room.
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 bungalow rear extension cost in West Molesey?
Guide prices for a bungalow rear extension in West Molesey start from our South East England rate of £2,070–£3,360 per square metre, including VAT. South East prices run above our West Midlands baseline, mainly on labour rates and clay-soil foundations.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £25,000–£40,500 |
| 4 m wide × 6 m deep (24 m²) | £49,500–£80,500 |
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 bungalow rear extension in West Molesey?
Here is how the rules in England apply to a bungalow rear extension in West Molesey.
In England a single-storey rear extension can often be built under permitted development: up to 3 metres beyond the original rear wall of an attached house, or 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres if any part is within 2 metres of a boundary.
England also has the larger home extension route: a single-storey rear extension of up to 6 metres on an attached house or 8 metres on a detached house, after prior approval from the council. The council notifies your neighbours and has 42 days to decide; the fee is £249 (£310 for applications made from 8 December 2026). The route is not available on designated land such as conservation areas.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in West Molesey like to extend?
Around West Molesey the housing ranges from inter-war semis to 1960s and 1970s estates with good-sized gardens. Many of the newer estates had permitted development rights removed by condition, so we check the planning history before anything is drawn.
How a bungalow rear extension in West Molesey 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.
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.
Bungalow rear extensions near West Molesey
Neighbouring places we cover include Hampton (1.1 miles) and East Molesey (1.3 miles).
- Bungalow rear extension in Hampton
- Bungalow rear extension in East Molesey
- Bungalow rear extension in Sunbury-on-Thames
- Bungalow rear extension in Walton-on-Thames
- Bungalow rear extension in Esher
Other work in West Molesey:
FAQ
Bungalow rear extension questions in West Molesey
Who will build my extension?
Vetted building teams working under contract to us. Your contract is with S&K Property Investments and Improvement Ltd for the design and the build.
Will I need a structural engineer?
Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.
How deep can I extend?
The same limits as a house: 3 or 4 metres in England, more with prior approval.
Can I get a price without a visit?
Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.
How long does a rear extension take to build in West Molesey?
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 bungalow rear extension cost in West Molesey?
As a guide, £2,070–£3,360 per square metre including VAT for a standard specification. For example, 3 m wide × 4 m deep (12 m²): about £25,000–£40,500 at that rate. Your written price follows the survey.