{"t":{"slug":"portstewart","name":"Portstewart","district_slug":"causeway-coast-and-glens","district":"Causeway Coast and Glens","region":"Northern Ireland","branches":8,"estate":4,"letting":6},"ranked":[{"branch_id":"brankins-chartered-surveyors-property-agents-causeway-coast-","channel":"sales","score":61.0,"coverage":25,"perf":null,"rep":null,"pres":75.0,"trust":40.0,"pres_raw":10.0,"pres_src":"agent website","rank_town":1,"n_town":2,"rank_outcode":1,"n_outcode":1,"rank_district":5,"n_district":6,"rank_region":29,"n_region":40,"rank_brand":1,"n_brand":1,"updated":"2026-10-17","name":"Brankins Chartered Surveyors Property Agents","id":"brankins-chartered-surveyors-property-agents-causeway-coast-","address":"51 Causeway Street, Portrush, BT56 8AD","postcode":"BT56 8AD","outcode":"BT56","kind":"Estate and letting agent","grp":null,"town":"Portstewart","town_slug":"portstewart","district":"Causeway Coast and Glens","since":null,"founded":null,"sales_count":10,"lettings_count":0,"domain":"brankins.com","reviews":[],"year":null,"provisional":true,"reason":"Strongest on market presence: 10 homes for sale (agent website)."},{"branch_id":"armstrong-gordon-causeway-coast-and-glens","channel":"sales","score":37.0,"coverage":25,"perf":null,"rep":null,"pres":25.0,"trust":55.0,"pres_raw":0.0,"pres_src":"agent website","rank_town":2,"n_town":2,"rank_outcode":1,"n_outcode":1,"rank_district":6,"n_district":6,"rank_region":35,"n_region":40,"rank_brand":1,"n_brand":1,"updated":"2026-10-17","name":"Armstrong Gordon","id":"armstrong-gordon-causeway-coast-and-glens","address":"64 The Promenade, Portstewart, BT55 7AF","postcode":"BT55 7AF","outcode":"BT55","kind":"Estate agent","grp":null,"town":"Portstewart","town_slug":"portstewart","district":"Causeway Coast and Glens","since":null,"founded":"2014-11-28","sales_count":0,"lettings_count":0,"domain":"armstronggordon.com","reviews":[],"year":2014,"provisional":true,"reason":"Strongest on trust and longevity: 0 homes for sale (agent website), trading since 2014."}],"unranked":[{"id":"causeway-coast-sales-causeway-coast-and-glens","name":"Causeway Coast Sales","address":"4 Coleraine Road, Portstewart, BT56 8JW","kind":"Estate agent"},{"id":"philip-tweedie-and-company-causeway-coast-and-glens-2","name":"Philip Tweedie and Company","address":"81 The Promenade, Portstewart, BT55 7AF","kind":"Estate and letting agent"}],"stock":10.0,"sold_n":0,"median":null,"ocs":["BT55","BT56"],"rivals":[{"a":"armstrong-gordon-causeway-coast-and-glens","b":"brankins-chartered-surveyors-property-agents-causeway-coast-","an":"Armstrong Gordon","bn":"Brankins Chartered Surveyors Property Agents"}],"nearby":[{"slug":"coleraine","name":"Coleraine"},{"slug":"causeway-coast-and-glens","name":"Causeway Coast and Glens"},{"slug":"limavady","name":"Limavady"},{"slug":"ballymoney","name":"Ballymoney"}],"faq":[["Who is the best estate agent in Portstewart?","On the UK Agent Register score, Brankins Chartered Surveyors Property Agents ranks first of 2 estate agent offices in Portstewart (October 2026). Strongest on market presence: 10 homes for sale (agent website)."],["How many estate agents are there in Portstewart?","8 estate and letting agent offices are on the register in Portstewart: 4 handle sales and 6 handle lettings."],["Which Portstewart agent has the most homes for sale?","Brankins Chartered Surveyors Property Agents, with 10 (agent website)."],["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"}