Njengoba kunikezwe lesi sigaba esiphathelene neLondon, ngitshele isizathu esisodwa esenza ukuba kube nezifo eziwumshayabhuqe eLondon.
Context:Ngokuqala kweNguquko Yezimboni eBrithani, kwaba nokwanda okungakaze kube khona emadolobheni, futhi inani leMigwaqo Ephakeme (umgwaqo oyinhloko wokuthengisa eBrithani) lakhula ngokushesha. ILondon yayiyidolobha elikhulu kunawo wonke emhlabeni kusukela cishe ngo-1831 kuya ku-1925, elinabantu abangu-325 ehektheleni ngalinye. Ngaphezu kwenani elikhulayo lezitolo ezithengisa izimpahla ezinjengeHarding, Howell & Co. ePall Mall - okuyisitolo esifuna ukuba yisitolo esikhulu sokuqala - imigwaqo yayinabathengisi abaningi basemgwaqweni bekhangisa kakhulu ngezimpahla nezinsizakalo zabo. Izimo zokugcwala ngokweqile eLondon zaholela ezifweni zekholera, ezabulala abantu abangu - 14 000 ngo - 1848, nabangu - 6 000 ngo - 1866. Ukugcwala kwezimoto okwandayo kwaholela ekwakhiweni kwenethiwekhi yokuqala yezitimela zasemadolobheni emhlabeni. I-Metropolitan Board of Works yaqondisa ukwakhiwa kwengqalasizinda enhlokodolobha kanye nezifunda ezithile ezizungezile; yaqedwa ngo-1889 lapho i-London County Council yakhiwa ezindaweni ezizungeze inhlokodolobha.
Izimo zokugcwala kwabantu eLondon zingenye yezimbangela zokusakazeka kwezifo eziwumshayabhuqe eLondon.