Hertfordshire · England

Two-storey extensions in Batchworth

Homeowners in Batchworth can use us for the whole project or just the drawings and approvals. Start with a free visit.

Batchworth at a glance

Postcode districts
WD3
Area
Hertfordshire, England
Price region
East of England
Nearest towns
Croxley Green (0.6 miles), Rickmansworth (0.7 miles), Holywell (Hertfordshire) (1.9 miles), Northwood (2.3 miles)
Distance to Watford
about 3.3 miles
Approvals
Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.

We cover postcode district WD3 in and around Batchworth, along with neighbouring Croxley Green, Rickmansworth and Holywell (Hertfordshire).

Extensions available in Batchworth

Which type suits your house?

If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Batchworth, with a rough idea of the approval route and cost for each.

Also available in Hertfordshire

Rules for Batchworth

Batchworth is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.

The full England rules explained

Questions about extensions in Batchworth

Do you cover Batchworth?

Yes. We cover Batchworth (WD3) and the surrounding area, including Croxley Green and Rickmansworth. The first site visit is free.

What does a two-storey extension cost in Batchworth?

Using our East of England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.

Which other places near Batchworth do you cover?

Everywhere around it, including Croxley Green (0.6 miles), Rickmansworth (0.7 miles) and Holywell (Hertfordshire) (1.9 miles), and the rest of Hertfordshire.

Nearby towns

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