ʻOku faʻa ui ʻa e hala Harley ko “Fakafaitoʻo Lonitoni” koeʻuhi ko e foʻi moʻoni ko ia ʻoku ne maʻu e taha ʻo e concentrations fakafaitoʻo lahi taha ʻi he mamani. ʻI he ongoongo fuoloa ko ha senita ʻo e lelei fakafaitoʻo fakatautaha, ʻE lava ke fakatotoloʻi ʻa e ngaahi fuofua feohi ʻa Halai mo e faitoʻo ki he 1860 ʻi he taimi ne hiki mai ai ha kau toketa tokolahi ki he feituʻu koeʻuhi ko e feituʻu totonu pea ofi ki he ngaahi feituʻu lelue lalahi, hange ko e kolosi ʻa e ngaahi tuʻi, Seni Pancras mo Marylebone. Talu mei he senituli hongofulu ma hiva mo e tokolahi ʻo e kau toketaa, falemahaki, tafa mata mo e organisations fakafaitoʻo kehe ʻoku tuʻu ʻi he feituʻu ʻo e hala Harley. Naʻe ʻi ai ha 20 practising e kau toketaa ʻi he feituʻu ko ia ʻi he 1860 pea naʻe lekooti ʻa e tupu ʻe hongofulu tupu ʻe 1914 ʻi he taimi naʻe tuʻu hake ai ʻa e fakatata ki 200. Ko ha ongo meʻa talitali lelei ʻe ua ki he feituʻu naʻa ne toe fakalahi atu ki he ongoongo ʻo e feituʻu ko e sosaieti fakafaitoʻo ʻo Lonitoni, ʻa ia naʻe fakaava ʻi Chandos hala ʻi he 1873 pea mo e sosaieti fakaʻeiʻeiki ʻo e faitoʻo naʻe kamata ʻi he 1912 ʻi wimpole hala. ʻi he ngaahi taʻu kuo hili ne foki ai ʻa Halai hala ki ʻapi ki ha kau palofesinale fakafaitoʻo ʻiloa. ʻEiki Heneli Tomisoni, ko ha toketa faitafa maʻongoʻonga ʻo Pilitania mo polymath, akoako ʻi he feituʻu lolotonga e ngaahi taʻu ʻo e 1870 pea hoko atu ke fili ko e toketa faitafa ki he tuʻi ʻo Palasolo. Naʻe akoako ʻa Toketa ʻEtuate Bach mei he hala Harley ʻi he 1920 kimuʻa pea ne toki hiki ki he falemahaki ʻo Lonitoni pea toki fakatupulaki ʻa e matalaʻiʻakau Bach fulifulihi ʻa ia ʻoku kei manakoa he ʻaho ni. Kuo liliu moʻoni ʻa e taimi talu mei he senituli hongofulu ma hiva ʻi he taimi naʻe mei fokotuʻu ai ʻe he kau toketa fakafaitoʻo ha tafa ʻi honau ʻapi pea fokotuʻutuʻu ʻenau ngaahi ʻapoinimeni mo e hala Harley ʻoku kei hokohoko atu pe ʻene tupulaki ko ha senita maʻa e ngaahi meʻa fakafaitoʻo kotoa pe. ʻOku ʻikai ke pehe ʻoku ʻomi ʻe he kiliniki ʻoku maʻu heni ʻa e tekinolosia fakamuimuitaha fakataha mo e niʻihi ʻo e taukei fakafaitoʻo lelei taha ʻo e fonua. ʻI he ʻaho ni kuo ʻosi 3,000 kakai ʻoku ngaue ʻi he feituʻu ʻoku nau ʻomi ha ngaahi tokoni fakafaitoʻo kehekehe, mei he faitoʻo fengaueʻaki ki he tafa pelesitiki. Ko ia, tatau ai pe pe ʻoku ke kumi ha tafa mata leisa ʻi Lonitoni pe fie maʻu ke lesisita ʻaki ha GP ʻoku ke fakapapauʻi ʻoku ke maʻu ʻa e meʻa ʻoku ke fie maʻu heni ʻoku ʻai ʻe he hala Harley ha feituʻu lelei ʻaupito ke akoako ai pea hokohoko atu hono tohoakiʻi mai ʻe he feituʻu ko ia ha kau toketa fakafaitoʻo tokolahi, mei he kau toketa faitafa mo e kau toketa ki he psychiatrists mo e kau toketa faitafa pelesitiki. Kapau ʻoku fie maʻu ke ke aʻu ki he hala Harley ke maʻu ha taimi pea ʻoku lahi e ngaahi meʻa ke ke fili mei ai. Kapau te ke maʻu ʻa e foʻi tiupi te ke lava ʻo hifo ʻi he hala fehaʻiʻaki pe ʻOkisifoti Panemi sekasi ki he feituʻu southerly lahi ange, lolotonga e loi ʻa Regents Paʻake mo e hala Potileni lahi ki he tokelau ke faingofua haʻo maʻu ha foʻi tiupi ke feʻunga mo e feituʻu totonu ʻoku ke ʻalu ki ai. Ko e meʻa ʻoku mahulu hake, ʻOku fakatou vaofi ʻa e marylebone mo e ngaahi kautaha lelue Euston pea mo e ngaahi paʻake ʻo e kaa ʻi he feituʻu Potileni mo e hala Harley ʻai e moʻui ke faingofua ange kiate kinautolu ʻoku tuʻuta mai ki he kaa.