Building control


Our Harrow building control team is accepting online applications via the Submit-a-plan web portal.

There are several ways to submit your application. To submit an online application please click on the link below.

You can also download our application forms to either print or email to us directly by visiting the next page.

Start your building control application


The Submit-a-plan web portal submits applications online to local authorities across the country free of charge.

There are lots of benefits of submitting your plans including:

  • Free of charge to use.
  • Open 24 hours a day 7 days a week.
  • No printing or postage required.
  • Applications can be managed and tracked online.

Site inspections

Harrow Building Control is operating a full site inspection service.

Other enquiries will be dealt with the available resources, but there may a delay in responding.

In advance can we thank you for your patience when emailing and/or phoning the office.

Book a site inspection

Site visits are available on week days from Monday to Friday. Inspection times are:

  • Morning visits: 10am -12.30pm
  • Afternoon visits: 12pm - 3pm (new revised afternoon time)

To book a site inspection call 0208 736 6058 including same day inspections before 9.00am*.

If all our officers are busy you must leave a message on the voicemail stating the following:

  • Property Address
  • Date of the Inspection
  • What is being inspected (foundation, roof etc.)
  • AM or PM       

Our messaging service is monitored continually between 0800-1700 (Mon-Fri) so a member of the team will contact you.

*We will endeavour to carry out same day site inspections when booked by phone only and before 9.00am that day, you may also contact us on before the date that you require the inspection for.

If booking the inspection by phone please leave a voice message if you cannot get through.

It may be possible to book outside these hours by prior arrangement.

Planning Advice

Unfortunately, Building Control Staff are unable to offer Planning Advice. Please contact the Duty Planner, which operates Monday to Friday, 9:30am to 12:30pm on 020 8424 1660.

Building Control Searches

If you are requesting copies of documents or historical records under the Environmental Information Regulations 2004 (the Regulations) please email

Please note the Local Authority is only obliged to maintain records for up to 15 years.