Firstbus London is a subsidiary of FirstGroup. The operation consists of around 980 vehicles of differing types, on 82 Transport for London routes, operating from 10 bus garages. Operations began on February 28, 2025 after the company purchased RATP Dev Transit London (see Former Operators).
In this section of the website, you will find our images of Alexander Dennis Limited Enviro400MMC vehicles operated by the company on current and former routes.
Firstbus London Alexander Dennis Limited Enviro400MMC – 10.4 metre
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UNV – Fleet Number: ADH45287 Route: 79 – Location: Honeypot Lane
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UNJ – Fleet Number: ADH45279 Route: 340 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UNK – Fleet Number: ADH45280 Route: 340 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UNL – Fleet Number: ADH45281 Route: 340 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UNM – Fleet Number: ADH45282 Route: 340 – Location: Station Road, Edgware
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UNN – Fleet Number: ADH45283 Route: 340 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YY67 UUO – Fleet Number: ADH45258 Route: 79 – Location: Honeypot Lane
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOJ – Fleet Number: ADH45289 Route: 340 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOK – Fleet Number: ADH45290 Route: H14 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOL – Fleet Number: ADH45291 Route: H14 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOM – Fleet Number: ADH45292 Route: H14 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOO – Fleet Number: ADH45294 Route: H14 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOP – Fleet Number: ADH45295 Route: H14 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOR – Fleet Number: ADH45296 Route: H14 – Location: College Road, Harrow
Operator: Firstbus London – Vehicle: Alexander Dennis Limited Enviro400MMC – Registration Number: YX68 UOS – Fleet Number: ADH45297 Route: H14 – Location: College Road, Harrow