Brentford
Brentford itself puts you closest to the monument, with several of the listed properties in the same area. Holiday Inn London Brentford Lock by IHG is 630 m away, a 9-minute walk, with parking, a fitness centre and family rooms. Aparthotel Adagio London Brentford (760 m, 11 minutes) has kitchen facilities and welcomes pets, while Novotel London Brentford (710 m, 11 minutes) adds an indoor pool and sauna. Hilton London Syon Park sits 1.0 km out, a 16-minute walk, with its own pool, sauna and free car parking.
London
Staying in London gives you two more options for a visit to the monument. Premier Inn London Kew Bridge is the closest of all the listed hotels at 220 m, about 3 minutes on foot, with parking, a lounge, wheelchair access and free wifi. Premier Inn London Brentford hotel, also in London, is 760 m away and around 11 minutes' walk, with the same practical mix of parking, lounge, wheelchair access and free wifi. Both are 3-star properties, and Kew Gardens Hotel, further out, sits in London as well.
Hounslow
Hounslow is represented among the listed hotels by Premier Inn London Brentford hotel, 760 m from the monument and roughly 11 minutes on foot. It is a 3-star property with a guest score of 4.0 from 1,041 reviews, and its facilities include parking, a lounge, wheelchair access and free wifi. Staying here keeps you within an easy walk of the monument while putting a straightforward, well-reviewed base under your trip to Brentford.