An architectural technologist is a regulated design professional specialising in the technical design and specification of buildings. Regulated by the Chartered Institute of Architectural Technologists (CIAT), they hold the designation MCIAT (Member of CIAT) or FCIAT (Fellow of CIAT). Unlike architects, whose title is protected by the Architects Act 1997, the title 'architectural technologist' is not legally protected - but MCIAT or FCIAT membership is a reliable quality indicator. Architectural technologists are experts in Building Regulations compliance, construction detailing, material specification and the technical aspects of building design. For most domestic extensions, loft conversions, garage conversions and similar projects they provide a complete service at a competitive fee relative to a full architect service.
What they do
- Prepare planning drawings and submit planning applications
- Produce Building Regulations technical packages for Building Control
- Prepare construction drawings and specification details for contractors
- Advise on compliance with Building Regulations Parts A, B, C, F, L and M
- Manage the planning and Building Regulations process on the client's behalf
- Prepare drawings for loft conversions, extensions and garage conversions
- Produce measured drawings for existing buildings
- Coordinate with structural engineers for Building Control submissions
When you need one
An architectural technologist is the right choice for most domestic building projects where technical compliance and a complete planning service are the priority - often at a lower fee than a full architect.
Typical costs (UK, 2025)
| Job type | Typical cost |
|---|---|
| Planning drawings (extension) | £1,000 - £3,000 |
| Building Regulations package | £800 - £2,500 |
| Full design service (planning + Building Regs) | £1,500 - £4,000+ |
| Loft conversion drawings | £800 - £2,000 |
| Garage conversion drawings | £600 - £1,500 |
| Hourly rate | £55 - £100 / hr |
Fees vary considerably by practice size, location and project complexity. Always agree the scope in writing - confirm whether the fee covers liaison with Building Control, structural engineer coordination and any pre-application discussions with the planning authority.
Qualifications to look for
The primary qualification for architectural technologists in the UK. MCIAT requires a CIAT-accredited degree plus professional experience and assessment. FCIAT denotes Fellow status. Verify membership at ciat.global before appointing. Members are required to maintain PII and continue professional development.
Technologist membership of CIAT is for practitioners not yet at the chartered level. Appropriate for straightforward domestic projects but MCIAT is preferred for complex or high-value instructions.
Ask to see similar completed projects. Most architectural technologists specialise - some focus on residential domestic work, others on commercial fit-out or healthcare. A specialist in domestic extensions will be more efficient and effective than a generalist.
How to find a reputable architectural technologist
Related Calculators
Extension Cost Calculator Loft Conversion Cost Calculator Roof Pitch and Rafter CalculatorFrequently asked questions
Can an architectural technologist submit a planning application?
Yes. An architectural technologist can prepare and submit a planning application on behalf of a client. They are not ARB-registered architects but they are CIAT-chartered professionals and are fully qualified to prepare planning drawings, design and access statements, and supporting documents. For straightforward domestic applications - extensions, loft conversions, garage conversions - an architectural technologist is often as effective as an architect at a lower fee.
What is the difference between an architectural technologist and an architectural designer?
An architectural technologist is a CIAT-regulated professional who has met specific educational and experience requirements. 'Architectural designer' is not a regulated or protected title - anyone can use it. When appointing a designer for planning drawings or Building Regulations work, always check for MCIAT or FCIAT membership as a quality assurance baseline.
Do I need an architect or an architectural technologist for my extension?
For most domestic extensions, loft conversions and conversions, an architectural technologist is fully competent and typically more cost-effective than a full architect service. An architect adds most value where design innovation is a priority, where the project involves listed buildings or complex planning, or where you want a single professional to manage the whole project from design through construction. For a standard extension or loft, an MCIAT professional will deliver a complete planning and Building Regulations service at a competitive fee.