{"t":{"slug":"longfield","name":"Longfield","district_slug":"sevenoaks","district":"Sevenoaks","region":"South East","branches":3,"estate":3,"letting":2},"ranked":[{"branch_id":"hartley-estates-sevenoaks","channel":"sales","score":82.0,"coverage":25,"perf":null,"rep":null,"pres":100.0,"trust":55.0,"pres_raw":1.0,"pres_src":"register records Dec 2024","rank_town":1,"n_town":1,"rank_outcode":1,"n_outcode":3,"rank_district":1,"n_district":26,"rank_region":50,"n_region":1144,"rank_brand":1,"n_brand":1,"updated":"2026-10-17","name":"Hartley Estates","id":"hartley-estates-sevenoaks","address":"4 The Row, New Ash Green, Longfield, DA3 8JB","postcode":"DA3 8JB","outcode":"DA3","kind":"Estate and letting agent","grp":null,"town":"Longfield","town_slug":"longfield","district":"Sevenoaks","since":null,"founded":"2008-02-15","sales_count":null,"lettings_count":null,"domain":"hartleyestates.com","reviews":[],"year":2008,"provisional":true,"reason":"Strongest on market presence: 1 homes for sale (register records Dec 2024), trading since 2008."}],"unranked":[{"id":"ward-partners-sevenoaks","name":"Ward & Partners","address":"20 The Row, Longfield","kind":"Estate agent"},{"id":"wards-sevenoaks","name":"Wards","address":"20 The Row, New Ash Green, Longfield, DA3 8JB","kind":"Estate and letting agent"}],"stock":0,"sold_n":213,"median":480000,"ocs":["DA3"],"rivals":[],"nearby":[{"slug":"sevenoaks","name":"Sevenoaks"},{"slug":"swanley","name":"Swanley"},{"slug":"hartley","name":"Hartley"},{"slug":"edenbridge","name":"Edenbridge"},{"slug":"otford","name":"Otford"},{"slug":"westerham","name":"Westerham"}],"faq":[["Who is the best estate agent in Longfield?","On the UK Agent Register score, Hartley Estates ranks first of 1 estate agent offices in Longfield (October 2026). Strongest on market presence: 1 homes for sale (register records Dec 2024), trading since 2008."],["How many estate agents are there in Longfield?","3 estate and letting agent offices are on the register in Longfield: 3 handle sales and 2 handle lettings."],["Which Longfield agent has the most homes for sale?","Hartley Estates, with 1 (register records Dec 2024)."],["What do homes sell for in Longfield?","A median £480,000 across 213 sales in its postcode districts (DA3) in the last 12 months (HM Land Registry)."],["How are agents ranked?","Four measures, weighted 40/35/15/10: sales performance, reviews, market presence and trust. Missing measures are left out and the rest rescaled; rankings below 75% data coverage are marked provisional. Full method at /methodology."]],"channel":"sales","month":"October 2026","updated":"2026-10-17"}