
Get quick answers to common questions about our connection cost estimator. If you can't find what you're looking for, contact our team for help.
To receive an indicative budget estimate:
If the tool cannot provide an estimate, this usually means your request is complex or outside the tool's limits. in that case you'll be prompted to contact our team for a manual review.
The map uses colours to show existing network features:
your cable route should start from an orange or green point and end at your meter location.
Tip: Use the zoom feature for better accuracy when drawing your route.
This message appears when the cable route crosses land that cannot be used for underground cables (e.g. watercourses, protected areas, or unsuitable surfaces).
What to do:
Yes. The tool currently supports connections up to 210kVA and allows you to choose between single-phase and three-phase supply.
If you need a larger capacity or have specialist requirements (e.g. for commercial or industrial sites), please submit your details via the 'Contact Us' link, and we'll provide a tailored estimate.
If no estimate is shown at the end of the process, it's usually because:
Next steps:
Use the contact details provided on the results page to reach our team. We'll review your request and provide a manual estimate as quickly as possible.
The estimate you receive is indicative only. It's based on standard assumptions about cable routes, excavation, and connection points.
Why it might differ from the final cost:
For a confirmed price, a detailed site survey and formal quotation will be needed. The tool is designed to give you a quick starting point for planning and budgeting.
Currently, the tool supports one meter position per request and standard domestic or small commercial connections:
If you need:
Please complete the online form and select 'Additional requirements'. Our team will review your details and provide a tailored estimate.
If the tool freezes or crashes:
If the issue persists, click the 'Report a problem' link on the tool page or email our support team at nged.websiteenquiries@nationalgrid.co.uk. We'll help resolve the issue quickly.

For comprehensive cost breakdowns and project planning, view our detailed pricing tables.

Find out your connection costs before you apply.

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