Last updated: June 14, 2026
By accessing and using the umber-storm website or renting our equipment, you agree to be bound by these terms of use. If you do not agree with any part of these terms, you should not use our services.
umber-storm provides portable generator rental services for outdoor events, street fairs, and temporary power requirements. All rental agreements are subject to equipment availability and approval of rental terms.
Rental requests submitted through our website are inquiries, not confirmed bookings. We will review your request and confirm availability within 24 hours. A rental agreement becomes binding only when we send written confirmation and receive your deposit payment.
All prices listed on our website are in British pounds (GBP) and exclude delivery charges unless explicitly stated. Pricing is subject to change without notice until a rental agreement is confirmed in writing.
Payment terms:
When you rent equipment from umber-storm, you agree to:
Delivery and collection times are estimates. While we make every effort to meet scheduled times, we are not liable for delays caused by traffic, weather, or other circumstances beyond our control.
You must ensure the delivery location is accessible for our vehicles. Additional charges may apply if access restrictions require special equipment or additional time.
Cancellation terms:
You are responsible for any damage to rental equipment during your possession, excluding normal wear and tear. Damage costs will be assessed based on repair or replacement expenses.
umber-storm is not liable for:
We recommend obtaining event insurance that covers equipment rental and power-related risks.
You are responsible for ensuring generator operation complies with all applicable health, safety, and environmental regulations. This includes:
Technical support is available during business hours and by emergency contact for active rentals. We aim to respond to support requests within 2 hours during your rental period.
Support does not cover issues resulting from improper use, unauthorized modifications, or failure to follow operating instructions.
You may use our website for legitimate rental inquiries and information gathering. Prohibited activities include:
All content on this website, including text, images, logos, and design elements, is the property of umber-storm or used with permission. You may not reproduce, distribute, or create derivative works without written authorization.
We are not liable for failure to fulfill rental obligations due to circumstances beyond our control, including natural disasters, strikes, government actions, or equipment failures caused by manufacturer defects.
These terms are governed by the laws of England and Wales. Any disputes will be subject to the exclusive jurisdiction of the courts of England and Wales.
We reserve the right to modify these terms at any time. Changes become effective when posted on our website. Continued use of our services after changes constitutes acceptance of modified terms.
For questions about these terms or our services:
Email: [email protected]
Address: 47 Riverside Industrial Estate, Thornbury Road, Bristol BS12 4NQ, United Kingdom