Submit a quotation request when:

  • the requirement of the site falls outside of the standard pressure matrix (available in TSPNP14 appendices, see below)
  • you have received a valid land enquiry response where reinforcement has been identified
  • the site contains a combined heating plant, booster or compressor.

Quotation Standard Administration Charges (excluding VAT)

Customer type Manual Portal
IGT £237 £223
UIP (<63mm diameter) £265 £251
UIP (≥63mm diameter) £283 £268


Terms and conditions

 General Conditions of Contract for self lay systems above 2196000KWH February 2017
 General Conditions of Contract for self lay systems below 2196000KWH February 2017
 General Conditions of Contract for Site Engineering Works for Connected Offtake Systems



Sometimes when IGTs/UIPs want to connect to our network an easement may be required before work can begin.

 Standard UIP Easement


Start Date Notifications: Please fill in this spreadsheet to inform us of planned low pressure and medium pressure connections where you are laying no larger than 63mm infrastructure

 C1 and C2 Forms
 FM138 UIP Quotation Requests
 FM140 GT UIP Quotation Variation Self Connection Notification Form
 Copy of blank form SDN FM144
 FM153 Request for quotation
 FM176 Request for Medium Pressure Tier Information
Design variation request form


Specification for the Design of System Extensions, Connections and Services to below 7Bar Systems (TSPNP14e)  TSPNP14e

Mains location

Additional mains location guidance is provided in briefing note 11.

Contact us

Lead time for submissions is D+21.

  • Email us, or call:
  • 08453 666 758 (option 3)

Calls will cost 7p per minute plus your provider's connection charge.

For escalations please contact: Jemima Mitchell or Claire Wilcox.