Kitchen with pale units and a long stone topped island.

Planning consultants in Weybridge.

Fulham · SW6 · Fulham, four new-build houses with basementsCompleted work, photograph

Planning for large Weybridge houses. Often the first question is whether permitted development already covers the idea.

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Permitted or applied for, in Weybridge.

8 metres
Rear reach by prior approval, detached
Three
Conservation areas in Weybridge
KT13
Elmbridge Borough Council

NU Projects is a design and build company in Fulham SW6, founded in 2010. We handle planning applications and appeals in Weybridge KT13, under one contract. Fees are priced per project by our own quantity surveyor, from the actual scope. Call 020 7731 6841, and a budget estimate typically follows within seven days.

Most Weybridge briefs involve a big detached house on a generous plot. Many owners assume everything needs planning. National householder rights often reach further than they expect.

For a detached house, a single storey rear addition of 4 metres is permitted. The prior approval route raises that to 8. Neither applies in the same way inside a conservation area.

Up top, a detached house may add 50 cubic metres of roof space. Anything bigger goes to Elmbridge as a householder application. A lawful development certificate confirms the permitted route in writing.

Weybridge holds three conservation areas: the town centre, Monument Green and Templemere. Their dates run from 1977 to 2017. Inside them, the roof allowance and the longer rear reach both vanish.

Green Belt covers about 57% of the wider borough. Some ground lies in flood zones. We check those layers before sketching. Our nearest new build is in Fulham, and we have no Surrey project yet.

What Elmbridge allows in Weybridge.

Council
Elmbridge Borough Council, which covers the whole town.
Rear extensions
One storey, 4 metres detached. Prior approval reaches 8, but not in a conservation area.
Roof additions
Up to 50 cubic metres on a detached house. Nothing in a conservation area.
Conservation
Town Centre (1977), Monument Green (1990) and Templemere (2017).
Flood SPD
Zone 3b rules out basements. Zones 2 and 3a rule out basement bedrooms.

Source: Elmbridge Development Management Plan 2015, Policy DM18, and Flood Risk SPD 2016. Read on 12 October 2026. Policies change, so we read them again for your address.

What planning costs in Weybridge.

A prior approval costs far less to prepare than a full application.

We tell you which route fits before quoting the fee.

Open the calculatorThe 2026 cost guide

How far can a detached Weybridge house be extended without an application?

4 metres at the rear, on one storey.

Prior approval stretches that to 8, outside a conservation area.

Past those figures, Elmbridge decides.

Which parts of Weybridge are conservation areas?

The town centre, Monument Green and Templemere.

Householder rights shrink inside all three.

Can flooding stop a Weybridge basement?

In Zone 3b, Elmbridge’s 2016 SPD permits none.

In Zones 2 and 3a a basement may be possible, though never a bedroom.

Should I get a lawful development certificate in Weybridge?

If you rely on permitted development, it gives written certainty.

It is also useful evidence when you sell.

Tell us about your home in Weybridge.

Your name and one way to reply are enough. It goes straight to the studio.

A phone number or an email is enough. We only need one.

Where did you find us? Optional
Optional, it helps us prepare
What is the work?