^{^}Based on M&S Energy Standard Energy prices from 26 March 2012.

^{^^}£610 figure is based on a 3 bed semi-detached with no existing insulation. Source; Energy Saving Trust. £610 is the maximum value of insulation that may be installed without charge. If you are not the homeowner, you must seek the owner’s written permission before arranging installation. Not all properties will be suitable for insulation. You will not be eligible for free insulation if you already have pre-existing cavity wall insulation or loft insulation that is more than 60mm thick, or if we are unable to insulate at least two thirds of the total loft space or wall cavities. Funding is not available for under tile insulation or where there is already more than 150mm/6 inches of existing loft insulation. If you have a large or non-standard property, or if we need to use specialist systems or equipment to carry out the work, then there will be a charge, but you will be told about this at the time of the free no obligation suitability assessment (you will not be able to benefit from the free insulation offer unless you agree to the additional work and costs). Offer open to applications between 31 March to 30 September 2012 and installations must be completed by 30 November 2012. Offer can be withdrawn at any time due to circumstances beyond our reasonable control. Currently only available for properties in mainland Great Britain and the Isle of Wight.

^**Discount applied to unit rates.

^~ M&S Energy – Fixed Price 2 Terms and Conditions

1. These terms and conditions are in addition to the M&S Energy Terms and Conditions and SSE Energy Supply Terms and Conditions for Domestic Customers. In the event of a conflict between these terms and the M&S Energy Terms and Conditions or SSE Supply Terms and Conditions for Domestic Customers, these terms shall prevail.
2. During the period that these terms apply, neither You nor Us will be permitted to alter these terms, other than as expressly set out in these terms.
3. Our prices for the supply of Your electricity and gas on the Fixed Price 2 tariff will be fixed from the date of either, the transfer of your existing tariff with Us, or transfer of Your supply(s) from Your previous supplier(s) to Us (whichever is the latest) until 28 February 2014.
4. The Fixed Price tariff is available to Dual Fuel Standing Charge and Electric with Heat (Domestic Economy and Economy 7) Standing Charge customers, who pay by fixed monthly Direct Debit, variable Direct Debit or quarterly billing only.
5. The Fixed Price 2 tariff ends on 28 February 2014. After this date you will switch to Our prevailing M&S Energy standard tariff at that time.
6. If you leave the Fixed Price 2 tariff at any time on or before 28 February 2014 an exit fee of £50 will be applied to your energy account. We reserve the right to apply the exit fee to either Your electricity or gas account.
7. If you leave the Address to which the Fixed Price 2 tariff applies you will usually be able to transfer the tariff to another property.
8. We reserve the right to amend the tariffs relevant to the Fixed Price 2 tariff if there is a cost imposed by a governmental or statutory body (including a change in VAT). This offer is not available for use in conjunction with any other offer. We reserve the right to refuse or withdraw the offer at any time.

This offer is not available for use in conjunction with any other offer. We reserve the right to refuse or withdraw the offer at any time.

^*Receive £10 M&S voucher per fuel on initial successful registration to M&S Energy; Receive £5 M&S voucher per fuel for each complete 12 month continuous period with M&S Energy; When a 10% or more energy reduction is achieved across the set 12 month period at the same property dual fuel and electricity Economy 7 two rate tariff customers receive a £30 M&S voucher. Electricity single rate customers receive a £15 M&S voucher. This will continue each year at the same property compared with the previous review period; Dual fuel and electricity Economy 7 two rate tariff customers receive a £10 M&S voucher and electricity single rate tariff customers receive a £5 M&S voucher for signing up to paperless billing.

^††Figures taken from the results of SSE's M&S Energy day 270 contact strategy questionnaire from March - September 2010 and are based on the answers of 11,202 customers who took part in the survey.

M&S Energy is unavailable in the Channel Islands, Isle of Man, Ireland and Northern Ireland. Terms and conditions apply.