Utilize the input text as a context reference, choose the right relationship between British Land and LONDON from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

LONDON (ShareCast) - (ShareCast News) - British Land (LSE: BLND.L - news ) said it has had a good start to the year, with strong occupational demand and lettings well ahead of estimated market rental value.

Answer: headquarters_location