United Kingdom
ARB (Official page)7.0 overall (practical standard)
ARB requires evidence of English proficiency for registration. No fixed IELTS score published, but Band 7.0 is the practical standard. RIBA Chartered Membership also expects strong English.
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Rules and exceptions
The Architects Registration Board (ARB) is the statutory regulator for architects in the UK. Only professionals registered with ARB may legally use the title 'architect'. ARB requires evidence of English language competence as part of the registration process for internationally qualified architects.
While ARB does not publish a specific IELTS band score threshold, the practical expectation is Band 7.0 overall. The Prescribed Examination — which tests UK-specific knowledge of construction law, building regulations, and practice management — is conducted entirely in English at a high academic level.
RIBA (Royal Institute of British Architects) membership is separate from ARB registration and is voluntary. However, RIBA Chartered status requires completing the RIBA Part 3 examination, which involves written case studies and oral examinations in English — effectively requiring Band 7.0+ proficiency.