What is construction detailing?

Details are where design intent meets weather, movement and the realities of site assembly. We develop the key junctions of the building: where wall meets roof, where frame meets envelope, where materials change. Each detail is worked through for buildability, durability and appearance, so the design performs as well as it looks.

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

How does good detailing pay back?

Good detailing pays back for the life of the building through fewer defects, better thermal and moisture performance and finishes that age well. It also pays back during construction, because a contractor who can see how something goes together builds it faster and prices it tighter.

Key junctions and details

We develop the key junctions and construction details that define how the building goes together.

Resolution of technical challenges

We resolve technical challenges as they emerge, working through options with the project team.

Buildability and durability

Detailing is shaped around buildability and long-term durability so performance matches design intent.

Which details matter most on a building?

The junctions where elements meet are where buildings succeed or fail: wall to roof, frame to envelope, openings, thresholds and every change of material. These are the points where water, air and movement test the design, so they receive the most attention, drawn at a scale where nothing is left to interpretation.

A project we have worked on

Kennet School (BREEAM)

Thatcham

Education
Replacement / Redevelopment
Secondary school

Single‑storey replacement block providing six classrooms, designed to achieve a BREEAM ‘Excellent’ rating. AEC led early design coordination with the assessor, progressed to Building Regulations drawings and oversaw construction.

View project

FAQs

Which details matter most on a typical project?

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Junctions where different elements or trades meet: roof-to-wall interfaces, openings, movement joints, thresholds and any point where water, air or heat could find a path. These carry most of the technical risk.

How do you balance appearance with buildability?

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By designing details around how they will actually be assembled. A detail a contractor can build reliably in sequence will look better in the finished building than an elegant drawing that cannot be executed.

Do you detail for specific products or generically?

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Both, depending on procurement. We can detail around selected systems and manufacturers or produce performance-based details that allow contractor choice within defined standards.

How does detailing affect thermal and moisture performance?

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Significantly. Junctions are where cold bridging, air leakage and water ingress occur, so detailing quality directly drives energy performance and the long-term health of the fabric.

Can you review or improve details produced by others?

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Yes. We review contractor and specialist details for compliance with the design intent and technical adequacy, and we resolve problem details on live projects.

What do we receive as deliverables?

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Detail drawings at appropriate scales, coordinated with the wider drawing set and specification, plus junction schedules where the project benefits from them.

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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