ALthough not due to open till the year 2020, it seems the tunnelling to extend the Northern line to reach Battersea finally got completed on Wednesday this week.

The giant boring machine, which had been named Amy in honour of aviation giant AmyJohnson, the first female pilot to fly solo from Great Britain to Australia, broke through at Kennington, meaning a pair of two-mile long tunnels have finally been finished to the new stations.

Two new stations will be opened in 2020 – one at the heart of the Battersea Power Station redevelopment and another at Nine Elms, serving developments such as the US Embassy and the revamped New Covent Garden Market, as well as existing communities.

London’s transport commissioner Mike Brown said: “I’m delighted to welcome the two tunnelling machines to Kennington after their epic journey.

“Both machines have had to navigate a challenging, congested path under south London which included sewers, power cables, a Victorian-era well and existing Victoria and Northern line tunnels.

“This achievement brings us a significant step closer to the delivery of the first major Tube extension in nearly two decades.”