£m
Shares in Group undertaking
Cost
As at 30 March 2012572.9
Additions — share based payments0.1
At 29 March 2013573.0

The investments represent shares in the following subsidiary undertakings as at 29 March 2013 and the fair value of share based compensation plans that are awarded to employees of the Company's subsidiary undertakings.

Subsidiary undertakingIncorporated
in
Ordinary shares
percentage owned %
Principal
activities
Halfords Holdings (2006) LimitedGreat Britain*100Intermediate holding company
Halfords Holdings (Jersey) 1 LimitedJersey100Intermediate holding company
Halfords Holdings (Jersey) 2 LimitedJersey100Intermediate holding company
Halfords Ireco 1 LimitedGibraltar100Intermediate holding company

* Registered in England and Wales.

In the opinion of the Directors the value of the investments in the subsidiary undertakings is not less than the amount shown above.

Principal Subsidiary Undertakings

The principal subsidiary undertakings of the Company at 29 March 2013 are as follows:

Subsidiary undertakingPrincipal activity% Ownership of
ordinary equity shares
Halfords Holdings (2006) LimitedIntermediate holding company100
Halfords Holdings Limited*Intermediate holding company100
Halfords Finance Limited*Intermediate holding company100
Halfords Limited*Retailing of auto parts, accessories, cycles and cycle accessories100
Halfords Investments (2010) LPIntermediate holding partnership
Halfords Autocentres Holdings Limited*Intermediate holding company100
Halfords Autocentres Limited*Car servicing100
Halfords Holdings (Jersey) 1 LimitedIntermediate holding company100
Halfords Holdings (Jersey) 2 LimitedIntermediate holding company100
Halfords Ireco 1 Limited*Intermediate holding company100
Halfords Ireco 2 Limited*Intermediate holding company100
Halfords Finance UK LLPIntermediate holding partnership

* Shares held indirectly through subsidiary undertakings.
† Wholly owned indirectly through subsidiary undertakings.

Halfords Holdings (Jersey) 1 Limited and Halfords Holdings (Jersey) 2 Limited are incorporated and registered in Jersey. Halfords Ireco 1 Limited and Halfords Ireco 2 Limited are incorporated and registered in Gibraltar. All other subsidiary undertakings are incorporated in Great Britain and registered in England and Wales. The only subsidiaries to trade during the year were Halfords Limited and Halfords Autocentres Limited.