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Free guide for homeowners

Planning a House Extension?
Start With the Right Advice.

Planning an extension can feel complicated.

Download Hepburn Architects' free Complete House Extension Guide to understand planning permission, permitted development, realistic budgets, likely timescales and the mistakes worth avoiding before you appoint builders.

Planning a House Extension — A Practical Homeowner's Guide by Hepburn Architects
Free homeowner guide

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Practical guidance

What You'll Learn

Clear, useful advice to help you make better decisions from the outset.

01

Planning permission explained clearly

02

Permitted development and what may be possible

03

Realistic project budgets and timescales

04

Extension mistakes that cause delays and unnecessary costs

05

Preparing properly before appointing builders

06

Professional advice from a residential architect

Residential expertise

Advice grounded in real extension projects.

Residential extension specialistsDirector-led service with David HepburnNorth East Studio
Rear extension in Stokesley with matching brickwork, a pitched tiled roof, glazed gable and white-framed doors opening onto a garden patio
Selected extension project

Pitched-Roof Rear Extension in Stokesley

A brick rear extension in Stokesley with a pitched tiled roof, glazed gable and garden-facing doors. The design combines traditional materials with generous daylight and a direct connection to the patio and garden.

View project
Independent client feedback

Clear advice. Dependable communication.

Great service! David was on time with the plans, and his advice has been invaluable throughout the process.
Verified homeownerView on MyBuilder
David was a pleasure to deal with throughout. He was easy to talk to and nothing was too much.
Verified homeownerView on Checkatrade
Your project starts here

Start Planning Your Extension With Confidence

Get the essential planning, design, budget and timescale advice before making costly commitments.

Download the Free Guide