Architects Registration Board mailing address

To mail a letter to the Architects Registration Board — the body that regulates architects in the UK — send it to Architects Registration Board, 5th Floor, 70 Gray’s Inn Road, London, WC1X 8NH. The Architects Registration Board is the UK’s statutory regulator of architects. It maintains the Register of Architects, protects the use of the title “architect”, sets standards, and handles complaints about an architect’s conduct or competence. Use this address for complaints and concerns, registration and renewal paperwork, and requests for a certificate of standing. Add your return address and any registration number if you'd like a reply, and confirm the address on ARB's official contact page before anything time-sensitive.

Architects Registration Board — correspondence address

Architects Registration Board
5th Floor
70 Gray’s Inn Road
London  WC1X 8NH

Complaints and concerns, registration and renewal paperwork, requests for a certificate of standing, and general written correspondence. This is the regulator's main office — not a courier depot or a member's practice.

Verified September 2026arb.org.uk

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Architects Registration Board5th Floor70 Gray’s Inn RoadLondon, WC1X 8NH

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Key facts

  • This is the Architects Registration Board's published correspondence address, taken from its own contact page.
  • Architects Registration Board (ARB) is the statutory regulator for architects in the UK — not a voluntary membership association or union.
  • Use it for complaints, registration and renewals, and certificate-of-standing requests — not for parcels or courier-only deliveries.
  • Add an attention line (e.g. "Registration" or "Complaints/Investigations") so your letter reaches the right department.
  • Include your full name, registration number if you have one, and a return address so they can respond.
  • PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.

How to send your letter

  1. 1

    Decide what your letter is for

    ARB handles registration and renewals, complaints and concerns about a registrant, and requests such as a certificate of standing. Note which one applies and add an attention line (e.g. "Attention: Registration" or "Attention: Complaints/Investigations") so it reaches the right department.

  2. 2

    Include the details they need

    Give your full name and, if you're a registrant, your registration or membership number. If your letter is about someone else — a complaint, or a reference request — include that person's name and, where you have it, their registration number so the file can be found.

  3. 3

    Address it to the office

    First line: Architects Registration Board. Next: 5th Floor. Then the street: 70 Gray’s Inn Road. Then the city line: London WC1X 8NH.

  4. 4

    Send it with PostPal

    Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.

Common questions

What does the Architects Registration Board do?

The Architects Registration Board is the UK’s statutory regulator of architects. It maintains the Register of Architects, protects the use of the title “architect”, sets standards, and handles complaints about an architect’s conduct or competence. The address above is its main correspondence office — the right place for registration paperwork, complaints, and requests for a certificate of standing.

What is the Architects Registration Board mailing address?

Architects Registration Board, 5th Floor, 70 Gray’s Inn Road, London, WC1X 8NH. It's the regulator's published correspondence address. Confirm it on ARB's official contact page before anything time-sensitive, since regulators occasionally relocate.

Can I file a complaint about architects by mail?

Most regulators accept written complaints by post as well as online. Send your concern to the address above, marked "Attention: Complaints" (some use "Professional Conduct" or "Investigations"), with the registrant's name and, if you have it, their registration number, plus a clear account of what happened. Check ARB's official contact page for any complaint form they want you to use.

Where do I send registration, renewal, or a certificate-of-standing request?

The same office handles registration and renewals and issues certificates of standing (also called a certificate of professional conduct or good standing, often needed to register in another jurisdiction). Mail it to the address above with an attention line for "Registration," and include your registration number and return address so they can reply.

Is this the regulator, not a professional association or union?

Yes — Architects Registration Board (ARB) is the statutory regulator that licenses architects in the UK and protects the public. It's separate from any voluntary membership association or union for the same profession; use this address for regulatory matters like registration, complaints, and standing.

How do I mail the Architects Registration Board a letter without a printer?

Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

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