Rear extension planning drawings in Stockton-on-Tees

What do rear extension planning drawings cost in Stockton-on-Tees?

As a guide, £1,000–£2,500 including VAT for a single-storey rear extension, or £2,000–£3,500 for a two-storey scheme. A householder planning application in England costs £548 (£575 for applications made from 8 December 2026), and a lawful development certificate for proposed work costs half the householder fee. 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 rear extension in Stockton-on-Tees?

Whether your rear extension in Stockton-on-Tees needs a planning application depends on its size, your house and any local restrictions.

England's rules allow a rear extension of more than one storey without an application only when it is no deeper than 3 metres and at least 7 metres from the boundary opposite the rear wall, and never on designated land. Most two-storey schemes need householder planning permission.

Councils aim to decide householder applications within 8 weeks of validation, and prior approval within 42 days.

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 Stockton-on-Tees like to extend?

Terraces and semis are typical around Stockton-on-Tees. On terraces a single-storey rear extension across the back yard is usually the practical choice; semis often have room for more.

How a rear extension in Stockton-on-Tees comes together

1. 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.

2. Options and costs

   We draw layout options and price each one, so the budget shapes the design rather than surprising you later.

3. Planning and regulations

   We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.

4. Build and sign-off

   We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.

Rear extension planning drawings near Stockton-on-Tees

Close by, we work in Billingham, about 1.8 miles away, and Thornaby-on-Tees, about 2.5 miles away.

• Rear extension planning drawings in Billingham
• Rear extension planning drawings in Thornaby-on-Tees
• Rear extension planning drawings in Ingleby Barwick
• Rear extension planning drawings in Middlesbrough
• Rear extension planning drawings in Yarm

Other work in Stockton-on-Tees:

• Single-storey rear extension
• Two-storey rear extension
• Kitchen-diner rear extension
• Side return extension
• Wraparound extension
• Glazed rear extension

All rear extensions in Stockton-on-Tees