Enjoy a Cup of Coffee, being together it always worth a lot. If you are able to find out a perfect romantic place where you can enjoy all that stuff, you must go there to spend sometime. 'Coffee, Cake & Kink', is a cafe in Covent Garden offering all kinds of coffee and beverages in a romantic enviorment for couples to enjoy.
Play a Sports, from the list of games and sports that both of you like. You can enjoy Squash, Tannis, Badminton or Table Tannis. It will give boost to your relationship. Tenpin Bowling can be a very good experience for lovely young couples.
Enjoy shopping together & Buy Gifts, to buy something is a good gesture to express your feelings to your spouse. Perfumes, handbags, watches, rings and any kind of jewlery can be a great gift to offer each other. Find some romantic place for shopping, Harrods is a best option as it is considered as a Shop of Dreams, where you can find almost everything.
Plan a Surprise Day for Eachother, to have some fun plan a long day out. You can visit unexplored locations of London. Or you can go to a long walk or long drive around St. Paul's. Enjoy a view of the Great Wombley Bridge together while hanging all around.
Home and Decor, on weekends it can be a perfect recreational activity for couples while spending their leisure time together at home. You can do different painting stuff and can buy some new thing to decorate your perfect place of residence.
Jive Dancing at London South Pacific, or in any other fun containing location for a while will increase a boosting experience in your relationship. It is a very romantic idea to spend some time in a fun and momerable enviornment.
Enjoy a Movie or Festival, for this you should buy tickets for something you really like to watch and attend. New movies and events can be the best idea for spending time in a romantic way with your spouse.