House Extension Drawings UK

Extension Design & Planning Drawings Online

If you’re planning to extend your home, professionally prepared house extension drawings are essential. From early extension design plans through to planning permission and building regulations drawings, accurate drawings are required for approval, pricing, and construction.

Architectural.Services provides extension plans online, offering a fixed-fee, remote drawing service for homeowners across the UK and worldwide.

Professional House Extension Drawings

House extension drawings show the layout, size, and construction of your proposed extension. These drawings are used by:

Local planning authorities

Building control officers

Builders and contractors

Structural engineers

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Extension Design Plans for Planning Approval

Planning authorities require clear extension design drawings to assess how your extension affects your home and neighbouring properties.

Our planning drawings for extensions include:

Existing and proposed floor plans

Proposed elevations

Site location plan

Block plan

These are prepared to meet UK planning requirements, reducing the risk of refusal.

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Building Regulations & Construction Drawings

Even where planning permission is not required, building regulations drawings are still mandatory before construction.

Our extension building regulations drawings include:

Construction details

Structural layout

Insulation and energy performance

Compliance notes for building control

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Types of Extension Plans We Design

Single Storey Extension Drawings

Rear extensions

Side extensions

Kitchen extensions

Double Storey Extension Drawings

Two-storey side extensions

Rear double extensions

Wraparound Extension Drawings

Side return and rear extensions

Kitchen Extension Design

Open-plan kitchen and dining layouts

All extension drawings are completed 100% online.

Extension Plans Online – Fixed Fee Service

One of the most common questions is: “How much do extension drawings cost in the UK?”

Traditional architects often charge thousands. Architectural.Services offers:

Fixed-fee extension drawings

No hourly charges

No site visits

Clear, upfront pricing

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Remote Extension Drawing Service

Our fully remote process allows you to upload:

Estate agent floor plans

Existing drawings

Property photos

Simple measurements

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Why Choose Architectural.Services?

✔ Extension drawing specialists ✔ Planning & building regulations experience ✔ Fixed-fee pricing ✔ Fast turnaround times ✔ Fully online service ✔ UK & worldwide coverage

We focus entirely on extension drawings, not general architecture, allowing us to deliver faster and more affordable results.

Extension Drawings FAQs

Do I need drawings for a house extension in the UK?

Yes. Drawings are required for planning permission, building regulations, and construction.

Can extension drawings be done online?

Yes. Architectural.Services delivers extension drawings entirely online.

How long do extension drawings take?

Most projects are completed within 7–14 days.

Do permitted development extensions need drawings?

Yes. Building regulations drawings are still required.

Get a Fixed-Fee Quote for Extension Drawings

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