Need Plans for an Extension, Alterations, or a New Build?

Professional Drawings For Planning & Building Regulations

Whether you are looking to expand your current living space, undertake substantial modifications to your property, or embark on the exciting journey of a new construction project, we are here to assist you every step of the way.

Get In Touch For A Free Consultation

Professional Drawings For Planning & Building Regulations Whether you are looking to expand your current living space, undertake substantial modifications to your property, or embark on the exciting journey of a new construction project, we are here to assist you every step of the way. Get In Touch For A Free Consultation

Williams Design & Construction

Trusted Experts in Residential Construction & Architectural Design

Whether you're planning an extension, loft conversion, or internal renovation, we offer clear advice, competitive pricing, and professionally drafted plans to help bring your vision to life—on time and within budget.

At Williams, we specialise in delivering high-quality, precise bespoke architectural drawings for planning and building regulations. With years of hands-on experience in the construction industry and advanced qualifications in CAD and construction design, we’re committed to combining traditional craftsmanship with modern, building techniques.

Contact us today to discuss your requirements

3D architectural drawing of a modern house with a sloped roof and several windows.

📍 Proudly based in Darwen, Lancashire

We’re ideally located to work with Clients and homeowners across Lancashire, Yorkshire, Cumbria, Greater Manchester, and Cheshire.

Producing CAD Drawings For:

New Build
House Extensions
Loft Conversions
Garage Conversions
Internal Alterations
As Built Drawings
Site Plans

Also offering:

Measured/as Built Surveys
Topographic Surveys
Estimating Service
Project Management

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