Clare Smyth at Restaurant Gordon Ramsay joins L'Enclume and the Fat Duck with a 10/10 rating.
Clare Smyth, chef/proprietor of Restaurant Gordon Ramsay has scored full marks in the 2015 edition of the Good Food Guide, bringing the total number of restaurants with 10/10 to three.
It is the first time in 15 years that three restaurants have all taken maximum points in the guide, and Smyth is also the first female chef to register a perfect score since Gunn Eriksen at Altnaharrie Inn in 1999.
Meanwhile, Simon Rogan's L'Enclume achieved the top spot for the second year running, with Heston Blumenthal's the Fat Duck in third.
The Fat Duck has now scored a perfect ten for seven years in a row - longer than any other restaurant since the guide, now owned by supermarket chain Waitrose, adopted its current scoring system.
Smyth took over as head chef of Ramsay's flagship restaurant in 2007/08 and was named chef/proprietor in 2013 - the same year that she was named Chef of the Year in the Good Food Guide 2013.
Commenting on her score of 10/10 this year she said: ""This is incredible, I'm absolutely overjoyed, we all are. I have personally referenced the Good Food Guide for places to eat for years and value their opinion as it's the customers' opinion.
"It makes it so much more significant when you know it's through customer feedback. Like all restaurants we are one big team and my team here is tremendous, so a huge thank you from every one of us."
Elizabeth Carter, consultant editor of the Waitrose Good Food Guide, said: "After a break of a decade, Gordon Ramsay's Chelsea flagship has once again been awarded a perfect 10. Now the domain of Clare Smyth, with support from what is, without doubt, one of the best front-of-house teams in the UK, this most impressive of London's premier restaurants is back in that elite club. With her brilliantly artistic, elegant, modern French cooking she perfectly complements the witty, cerebral Fat Duck and the sensual farm-to-table delights of L'Enclume at the pinnacle of our Top 50 list."
Commenting on holding onto the top spot, Simon Rogan, head chef at L'Enclume said: "We feel so privileged to be at the number one spot for a second year for L'Enclume. The full 10 rating really is a reflection of all the continued focus and improvements we have been undertaking at L'Enclume every single month. The team just keeps on getting stronger and stronger, and we now also have a hugely skilled front-of-house staff who more than match our culinary standards."
Nine of the ten restaurants named in the top 10 in the 2014 Guide retained their status as top 10 restaurants for 2015, with only Le Manoir aux Quat'Saisons in Great Milton, Oxfordshire dropping slightly to 13th to make way for Le Champignon Sauvage in Cheltenham. It is the first time that the restaurant, run by the 2014 Guide's Chef of the Year David Everitt-Matthias, has made it it into the top 10.
The top 10 restaurants in the 2015 guide are:
1. L'Enclume, Cumbria. Cooking score: 10/10. (Last' year's position: 1)
2. The Fat Duck, Berkshire. 10/10. (2)
3. Restaurant Gordon Ramsay, London. 10/10. (5)
4. Restaurant Nathan Outlaw, Cornwall. 9/10. (3)
5. Hibiscus, London. 9/10. (7)
6. Pollen Street Social, London. 9/10. (6)
7. Restaurant Sat Bains, Nottinghamshire. 9/10. (4)
8. The Square, London. 8/10. (8)
9. Le Champignon Sauvage, Gloucestershire. 8/10. (11)
10. The Ledbury, London. 8/10. (9)