Why does design continue at technical stage?

Technical design is where a strong concept either survives or slowly erodes. As engineering information, product selections and cost pressures arrive, we keep developing the design rather than just documenting it: resolving clashes, refining details and making sure every technical decision still serves the original intent.

Where Technical Design 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

4. Technical Design

Detailed drawings, specifications and schedules are produced so the project can be priced, procured and built. Design responsibilities are pinned down and information is prepared for tender or for a contractor to manufacture and construct.

Look at the whole process

Where does design quality matter most?

This matters on any project where design quality is part of the value: schools and public buildings with civic presence, healthcare environments that affect wellbeing, and commercial buildings where quality supports letting and brand. The building should read as designed, not as compromised.

Refinement through technical stage

We refine design as technical information develops, integrating new information into the proposal.

Clash and coordination resolution

Clashes and coordination issues are resolved as they emerge, with the wider team.

Maintaining design intent through delivery

We maintain design intent through detailed delivery, balancing technical resolution with original ambition.

How is design intent protected through change?

Every technical decision is tested against the approved design before it is adopted. Where cost or engineering pressure forces a change, alternatives are explored that achieve the saving without losing what makes the scheme work. The result is a building that reads as designed rather than as a series of compromises.

A project we have worked on

Loughton – 66 Alderton Hill

Loughton

Residential
Replacement / Redevelopment
Private Developer

Demolition of an existing dwelling and replacement with a five‑bed home, including associated amenities, external works and parking. AEC were instructed and achieved planning permission.

View project

FAQs

Why does design intent get lost at technical stage?

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Because technical resolution involves hundreds of small decisions, and each one made without reference to the design intent erodes it slightly. Active design development keeps those decisions aligned with the original concept.

How do you handle clashes between disciplines?

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We identify coordination issues as information develops, convene the relevant consultants and resolve the clash in a way that protects both technical performance and design quality.

What happens when cost pressures require changes?

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We treat value engineering as design work, not deletion. Options are developed that reduce cost while holding the qualities that matter, and the implications of each are set out clearly.

Does this stage change the planning approval?

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Usually not, but where technical development would materially alter the consented scheme, we flag it early and advise whether a non-material amendment or new application is needed.

How is this different from producing construction drawings?

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Documentation records decisions; design development makes them well. We do both, so the drawings that reach site describe a resolved, coherent building rather than a collection of fixes.

Which project types benefit most from this?

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Complex or design-led projects: education, healthcare, civic and commercial buildings across Essex and London where the finished quality genuinely matters to the client.

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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