In a room that size, you have plenty of scope. I always think an island is a great additional workspace, and having part of it as a breakfast bar makes for a very sociable space. I'd go for an Lshape with the sink on one leg and hob on the other, an island towards the middle of the room, and the dining table in front of the big doors. That's very basic layout, but what you really need to do is think about the way you'll use the space. How many people eat there? Do you cook a lot? Do you have guests over often? What do you need to store- lots of fresh ingredients, dry goods, frozen foods, baking equipment? Do you want a walk-in pantry? What type of fridge? Are you tall/short, ie will overhead cabinets work for you? What items need counter space? Toaster, coffee machine, mixer, microwave? What kind of oven/hob do you prefer? Will you do other things in the kitchen besides cooking and eating- laundry? Office type work? Kids playing? Have a think about all this, and browse through kitchen pictures with an eye on what would work for you in a practical sense. A well laid out kitchen is the most important thing in the house IMO !!

I like the L-shaped option

Your project plan is very similar to the project we did in Esher few years ago, please have a look at Esher project. I would suggest incorporating sliding doors to utility room, it’s more functional and cleaner look and creates more space for utility room. The island will be great feature in your kitchen. The size of the island in Esher project is 1.600mm x 2.400mm, sittings for 4 people, consist of 3 units 800mmm x 600mm. In Ailsa Road Twickenham project the size of the island is 1.400 mm x 2.400 mmm for 6 people. I would recommend the lighting above the island (as in Alisa Road project), bright and dimmable LED lights, as your space will require lots of clever lighting, At this stage I would suggest getting free 3D AutoCAD design of your desired kitchen which can be adjusted with your requirements , it will help you both on visualisation of your future family space. Please contact me if you need further advice. Esher project Ailsa Road

Thanks for this @slow @slowcoachltd. I love the idea of the peninsula (option b) because we also thought space was too tight for an island. Me and the wife do a lot of cooking so would really like a spacious kitchen with loads of storage and prep space. We really want to maximise the use of the whole space so dont mind having the kitchen across the arch. We have a seperate dining room so we plan to use the whole space for the kitchen. We will need to put in a steel beam when we remove the arched wall however the walls wont be flush. We have been told that the beams on each side of the kitchen will stick out 15cm and be 30cm wide) As for the wish list we also want an american fridge freezer, build in 5 burner hob. We have 3 kids so want enough space for them to all be able to sit at the breakfast bar. Also forgot to mention we are going to create a doorway to the dining room to make the house flow better. Haven't decided which way it will open yet though.( see pic attached) Thanks