Technical design across Hertfordshire

A consented Hertfordshire scheme still has to become information precise enough to price and pass, and the county's range means the package is scaled to the project. Our technical design service produces it: Building Regulations packages covering structure, fire safety, thermal performance under Part L, ventilation and access under Part M; construction details for the junctions and, where relevant, historic fabric or open-site conditions that decide durability; and specifications a contractor can price. Structural and services information is coordinated into one consistent set, carrying the architectural design intent through to construction. Building control submissions are prepared and managed, with a full plans decision typically due within five weeks, handled by the district or an approved inspector. A conservation conversion gets heritage-sensitive detailing; a new-town apartment building gets full coordination and a resolved fire strategy; a Green Belt edge house gets landscape-led materials and drainage. Scope and deliverables are fixed in writing first, so the commitment matches the project.

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

What does a Hertfordshire technical appointment cover?

The appointment covers the stretch from a consented scheme to a set a contractor can build, sized to the job. A note to info@aecarchitecture.co.uk or the contact form with the consent, its conditions and the programme lets AEC return a written scope, be it a full Building Regulations and construction package or a defined element such as a detail set. What the scope weighs is the district and its context, a conservation conversion, a new-town block or a Green Belt house each demand different information, plus the consultants in play and the contractor's pricing route. Structural, services and, as needed, fire, heritage or drainage coordination sit inside the fee, usually fixed and set before drawing starts. The context's particular demands are built in from the first drawing.

One team across ten districts

A package drawn by the practice that designed and consented the scheme carries the intent and the governing district's conditions straight into the drawings, with no handover to reinterpret them. Across Hertfordshire's ten authorities, that continuity is what keeps a consent intact from any of them into a buildable set.

Detailing tuned to the district

A package answers both the building and the district it sits in, and Hertfordshire has ten, each with its own conservation guidance and building-control habits. A conversion in one authority, a new-town block in another and a Green Belt house in a third are each drawn to suit that council as well as the scheme.

South East in working range

The practice works across the South East from its Essex base, with Hertfordshire in range, so surveys, coordination and site checks are practical. Familiarity with the county's building control routes keeps submissions aligned with what approval requires on a given site.

How does detailing suit a project's setting?

By drawing each package for the building in front of it. A conversion in a conservation-area district gets heritage-sensitive detailing, junctions to historic fabric drawn for minimal harm and materials specified to the council's conservation guidance. An apartment building in a new town such as Stevenage or Hemel Hempstead gets full structural and services coordination, a fire strategy resolved with the fire engineer and, where the scale triggers it, the higher-risk building requirements. A house on a Green Belt edge, common across the county, gets landscape-led materials, boundary treatments and sustainable drainage laid out for an open plot. Building control routes and expectations vary between the county's districts, so submissions are tuned to the relevant authority, with a full plans decision typically due within five weeks. Compliance under Part L and Part M is designed in throughout, and where the project continues onto site the same team provides construction support, so the detailing suits both the building and the district it sits in.

A project we have worked on

Big Creative Academy, London: exterior of the new fashion teaching block

Big Creative Academy

London

Education
New Build
College

Planning secured for a modern teaching block with three fashion studios, a central hub and facilities. AEC led from sketch through planning and technical drawings, then managed construction on site.

View project

FAQs

What does technical design produce for a Hertfordshire project?

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Building Regulations packages, construction-level drawings, the junction, heritage or open-site details a scheme needs, schedules and specifications a contractor can price, with structural, services and any fire information coordinated into one set. Building control submissions are managed. Deliverables are listed in the written scope, scaled to the project, agreed before drawing begins.

Do you handle varied site types across Hertfordshire?

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Yes, and to the district as much as the site. A conservation conversion in one Hertfordshire authority, a new-town apartment block in Stevenage or Hatfield, and a Green Belt house elsewhere each get detailing suited to that council's guidance and control route as well as to the building's scale and complexity. The package is drawn for both.

Who handles building control in Hertfordshire?

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Either the relevant district council's building control team or an approved inspector, depending on the client's choice and the project. Packages are prepared to satisfy either route, and the full plans approach gives a decision typically within five weeks. AEC manages the submission as part of the technical design service.

How is fire safety handled on larger schemes?

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On larger residential buildings the fire strategy, compartmentation, escape and external wall build-up, is worked through with the fire engineer and drawn into the package, and where the building's scale triggers the higher-risk regime, its requirements are met. Fixing this in the drawings is central to delivering a larger Hertfordshire scheme without putting approval at risk.

How are technical design fees set in Hertfordshire?

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From the scope and the project's complexity: the drawings and details required, the coordination, heritage or fire load and the deliverables the procurement route demands. Fees are usually fixed for a defined package and agreed in writing before drawing begins, scaled to the project so a small scheme pays for a small package.

What should we send for a Hertfordshire fee proposal?

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The consented drawings and decision notice with its conditions, a note on the procurement route and programme, and details of any consultants already engaged, through the contact form or to info@aecarchitecture.co.uk. AEC reviews them, scopes the package to the project and returns a written fee proposal with deliverables listed. Work begins on acceptance with a coordination review.

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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