Extensions

Highlights & Benefits:

Looking to extend your home with more space, more light, or a better layout? At Affordable Architectural, we offer fast, affordable, and planning-compliant extension drawings to bring your ideas to life. Whether you’re building to the side, rear, or wrapping around your home, we’ll provide everything you need to submit a planning application or start construction.

We cover all types of domestic extensions, including:

• Rear Extensions

• Side Extensions

• Wraparound Extensions

• Single Storey & Two Storey Builds

• Open-Plan Layout Alterations

All drawings are tailored to your property, your needs, and UK planning rules — without unnecessary complexity or cost.

See More:

Single Storey Extensions

Two Storey Extensions

Our Process – Simple and Remote

Our streamlined 3-step process means no stress and no delays:

1. Send us photos and basic measurements
   We guide you on exactly what we need – no site visit required.

2. We create and share your drawings
   View and give feedback with live updates through WhatsApp or email.

3. Receive final plans
   Approved and delivered in PDF and CAD formats, ready to build or submit.

Most drawings completed in under 2 weeks.

Why Choose Us?

Reliable Communication:

You’ll always know what’s happening. We respond same-day, keep you updated throughout, and offer support by WhatsApp, email, or phone — whichever suits you best.

Unbeatable Value:

We’re one of the most affordable architectural services in the area, offering high-quality drawings and support at a fraction of the cost of traditional firms — without cutting corners.

Fast Turnaround:

We respond to all enquiries the same day and typically complete drawings within two weeks. Our streamlined process keeps your project moving quickly and efficiently from day one.

Transparency:

We believe in clarity from day one. You’ll receive a fixed quote upfront — no hidden charges, no surprises. Every stage of your project is explained in plain English.

Transparency.

Additional Fees/Terms:

Every drawing for planning requires a OS location plan this is charged from £24.50 purchased from RequestAPlan. This will be added onto your quotation and a receipt will be provided.

Measured Surveys are quoted from £50 - £150 (subject to changes*) this will be fully explained in your quotation once provided. This fee does not have to be paid most our clients choose the remote option where you provide the information required.

A 20-50% initial payment will be required in order for works to begin. Along with surveys paid upfront.

Our services do not include Local Planning Authority Fees these are applicable to the client.

Additional services or external consultations are to be reviewed and priced on case by case basis please contact us for quotation.

Frequently Asked Questions:

Do I need planning permission for an extension?
Some extensions fall under Permitted Development rights, while others require full planning permission. We’ll advise you based on your location, size, and layout.

Can you submit the application for me?
Yes. We regularly act as agents for our clients and can handle the entire planning process on your behalf.

Do you cover building control drawings too?
Yes, this is available as an optional add-on. We can prepare technical packs suitable for Building Control approval and contractor use.

How much does it cost?
Prices vary depending on the size and complexity of the extension. Please contact us for a fast, fixed quote with no obligation.