Integrated Planning Consultancy & Architectural Design Services

Architectural design · Planning consultancy · Essex & Hertfordshire

Home extension design, from first idea to planning approval.

Friendly, professional planning and drawing services for home extensions, loft conversions and alterations. Clear advice, thoughtful design and a straightforward process from your first conversation to submitted drawings.

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Residential home extension design projectResidential property design detailArchitectural design for a house extension
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A clear route from first conversation to submitted drawings

Planning and design, handled with care.

Robert Blake Designs helps homeowners turn ideas into practical, well-considered proposals. You deal directly with Will, with clear communication throughout and support with the planning process and building regulations drawings.

Our services

Everything your project needs, from sketch to approval.

Planning applications

Householder applications, prior approval and lawful development certificates, prepared and submitted on your behalf.

Planning drawings

Existing and proposed plans, elevations and sections to explain your project clearly.

Building regulations

Detailed drawings and specifications to support your building control application.

Property extensions

Single-storey, two-storey, rear, side and front extension design tailored to your home.

Loft conversions

Practical layouts and planning drawing support for creating more space at home.

Garage & outbuildings

Design and planning support for garages, garden buildings and ancillary accommodation.

Why homeowners choose us

One point of contact. A personal service.

With over 15 years' experience, Robert Blake Designs provides a responsive, straightforward service built around your project. We take time to understand what you want to achieve, explain the options and prepare drawings that communicate the proposal clearly.

Please note: Robert Blake Designs does not provide structural engineering or structural design services. This includes structural calculations, beam and lintel design, steelwork design and foundation design. Where structural input is required, it must be commissioned separately from a suitably qualified structural engineer.

More about our experience
Residential home design project
Selected residential work

Projects from our drawing board.

A selection of residential design imagery to give a feel for the types of projects we help homeowners plan.

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Where we work

Planning drawing services across Harlow and Essex.

We work with homeowners in Harlow, Chelmsford, Epping, Bishop’s Stortford and Sawbridgeworth. Find out more about our residential planning drawing services in your area:

Harlow · Chelmsford · Epping · Bishop’s Stortford · Sawbridgeworth

A straightforward process

From first conversation to a clear set of drawings.

01

Discuss

We talk through your ideas, requirements and the best route forward.

02

Survey

We arrange a measured survey and prepare the existing drawings.

03

Design

We develop the proposal and refine the drawings with you.

04

Submit

Where instructed, we prepare and submit the relevant planning application.

Planning advice for homeowners

Clear answers before you start building.

Explore practical guides to planning permission, permitted development, Lawful Development Certificates, prior approval, loft conversions and building regulations.

Explore our planning advice →
Let's talk about your project

Good ideas start with a conversation.

Tell us about your extension, loft conversion or renovation. We will be happy to discuss your ideas, explain the planning considerations and provide a no-obligation quotation.

Request a quoteEmail Will