Proud to Partner in Shaping the Future of UK Mobile Connectivity
As our valued landlord, you are integral to our mission. Together, we are central to the digital economy, driving nationwide connectivity. Your support is crucial as we advance through a dynamic phase of new technologies across the UK.
OUR LANDLORDS
We are proud to partner with over 12,000 landlords, including major property portfolios, central government, local authorities, utilities, and infrastructure providers.
Here to support you with any landlord enquiries, as we work together to deliver reliable and responsible infrastructure connectivity solutions.
Landlords Newsletter
The newsletter is an important resource for landlords and your relationship with us. From industry insight articles to important landlord information releases, you will find it all here.
Community Relations and Public Safety
Cornerstone is committed to engage with our landlords and the communities around all our installations. We follow the processes laid out in the Code of Best Practice for Mobile Network Development.
Potential New Sites
Be a part of the enablement of digital connectivity in the UK. If you have a rooftop or piece of suitable land that you would want to rent to Cornerstone, contact our landlord site offer team from our Contact us section.
Multi-Skilled Visit
Find out what a Multi-Skilled Visit is and what you can expect to happen during a site survey.
Site Issues
Report Site Access Issues
Please use our report site issue form to tell us about site access issues.
FAQs
Frequently asked questions for landlords
If you have any questions try reading our FAQs, or get in contact with us.
I have a payment query
lease contact the Cornerstone Estates Service Desk if you:
- haven’t received a payment
- have a question about a payment that is due
- have a question about a payment you have received
Telephone: 0800 084 3454
Email: estatepayments@cornerstone.network
I need help with site maintenance
Although it is Cornerstone’s responsibility to maintain our equipment at your site, we’d really appreciate your support by reporting any of the following to our 24-hour Property Management Centre:
- Damage to the site caused by vandalism or severe weather conditions
- Health & Safety issues
Whilst we won’t always be able to send an engineer out immediately (particularly over a weekend or bank holiday), we will arrange for one to attend your site as quickly as possible. If an emergency visit is required out of hours, please be aware that we would waiver the courtesy call.
Telephone: 0800 084 3454
Email: cornerstone.servicedesk@mitie.com
If there is an immediate emergency on site, for example a fire, please dial 999
How do I report a site access issue?
If you have experienced an issue on site, e.g. damage, or contractors not following the access arrangements, please use our site reporting form.
What do I do if I have a complaint?
If you would like to make a formal complaint about a site visit, your experience with Cornerstone or our agents, you can write to us at:
Complaints, Cornerstone, Hive 2, 1530 Arlington Business Park, Theale, Berkshire, RG7 4SA.