Explore the sub-services

What is Pre-Planning & Feasibility?

Pre-Planning & Feasibility is the work done before committing to a project or a site. It tests whether an idea stacks up by looking at planning policy, site constraints, access, capacity and budget realism before serious money is spent on design or applications.

The output is usually a feasibility study or options appraisal, setting out what the site can accommodate, the likely planning position and the risks worth knowing about, so decisions are made with evidence rather than assumption.

Where Pre-Planning & Feasibility sits in the RIBA process

0. Strategic Definition

1. Preparation & Briefing

2. Concept Design

7. Use

3. Spatial Coordination

6. Handover

5. Manufacturing & Construction

4. Technical Design

0. Strategic Definition

This is the "should we build?" moment. The team clarifies goals, budget, risks and constraints, explores options (including non-build solutions), and forms the business case. The outcome is a confirmed set of client requirements and a go/no-go decision.

1. Preparation & Briefing

All the groundwork happens here: site information, surveys, statutory context and stakeholder needs are gathered, and the Project Brief and outline programme are agreed. Procurement and planning strategies are sketched so everyone knows the road ahead.

Look at the whole process

When should feasibility work happen?

The best time is before a site is purchased or a brief is fixed. Testing capacity, planning context and constraints at that stage means a poor site can be walked away from cheaply, and a good one can be bought with confidence about what it will support.

It is equally valuable for existing sites. Schools, healthcare providers and landowners often hold buildings or land with untapped potential, and a feasibility study reveals what is realistically achievable.

Why do Pre-Planning & Feasibility with AEC architecture?

Informed site decisions from the outset

We undertake site appraisals, planning history reviews and constraints analysis to identify opportunities and risks early. This includes feasibility studies, capacity testing and acquisition support to inform investment decisions.

Clear development strategies

We define appropriate planning routes, assess permitted development opportunities and develop pre-application strategies. Concept design and options testing ensure proposals are aligned with policy and site constraints.

Maximised value and reduced risk

Through development optimisation and strategic advice, we balance planning requirements with commercial objectives, improving site efficiency, viability and programme certainty.

How does feasibility work reduce project risk?

Most expensive project failures trace back to assumptions that were never tested. A scheme designed for a site that cannot achieve planning consent, or a budget set before constraints were understood, wastes months of work. Feasibility work catches these problems while changing course is still cheap.

It also sharpens the brief. By exploring options early, the strongest approach is identified before detailed design begins, so later stages start from a position that already works.

Projects we have done

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FAQs

What is a feasibility study and do I need one?

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A feasibility study tests what a site can realistically deliver before you commit to design fees or a purchase. It looks at capacity, layout options, planning constraints and viability so you can make an informed decision early.

Can you advise before we purchase a site?

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Yes. We provide pre-acquisition reviews and development potential assessments that flag planning risks and opportunities, giving you a realistic picture of a site before you commit.

What is the difference between feasibility and concept design?

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Feasibility establishes whether and how a site can be developed, while concept design starts shaping what the building or scheme will actually be. Feasibility usually comes first and informs the brief for design.

What our clients say

From schools to homeowners, we work closely with every client to deliver thoughtful, lasting architecture here’s what they’ve said about working with us.

Sarah Mitchell
Headteacher, Hollowbrook primary

AEC understood exactly what our school needed a space that was calm, practical, and inspiring for students and teachers alike. The whole process felt collaborative from day one, and the end result has had a real impact on daily school life.

James Carter
Private homeowner, Cambridge

Working with AEC was seamless. They listened carefully, challenged our thinking in the right ways, and delivered a design that just works — light, functional, and surprisingly cost-efficient. We couldn’t be happier with the result.

Ravi Patel
Director, Ashore housing development

AEC brought clarity and creativity to a complex residential scheme. Their technical knowledge and attention to detail kept the project on track and their team were genuinely great to work with.

Sarah Mitchell
Headteacher, Hollowbrook primary

AEC understood exactly what our school needed a space that was calm, practical, and inspiring for students and teachers alike. The whole process felt collaborative from day one, and the end result has had a real impact on daily school life.

James Carter
Private homeowner, Cambridge

Working with AEC was seamless. They listened carefully, challenged our thinking in the right ways, and delivered a design that just works — light, functional, and surprisingly cost-efficient. We couldn’t be happier with the result.

Ravi Patel
Director, Ashore housing development

AEC brought clarity and creativity to a complex residential scheme. Their technical knowledge and attention to detail kept the project on track and their team were genuinely great to work with.

Sarah Mitchell
Headteacher, Hollowbrook primary

AEC understood exactly what our school needed a space that was calm, practical, and inspiring for students and teachers alike. The whole process felt collaborative from day one, and the end result has had a real impact on daily school life.

James Carter
Private homeowner, Cambridge

Working with AEC was seamless. They listened carefully, challenged our thinking in the right ways, and delivered a design that just works — light, functional, and surprisingly cost-efficient. We couldn’t be happier with the result.

Ravi Patel
Director, Ashore housing development

AEC brought clarity and creativity to a complex residential scheme. Their technical knowledge and attention to detail kept the project on track and their team were genuinely great to work with.

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