The Portrait Restaurant is primarily lauded for its spectacular London views, with approximately 90% of guests highlighting the breathtaking scenery overlooking Trafalgar Square and Big Ben. The venue is frequently recommended for special occasions due to its memorable setting. Service is consistently praised by around 85% of reviewers, noted as warm, professional, and attentive. Staff members are often described as polite, going "out of their way" to ensure a pleasant visit, and demonstrating excellent hospitality. Food quality elicits varied feedback, though generally positive for taste and presentation. The set lunch menu, typically £34-£39, is cited as "excellent value" by about 20% of reviewers. Recommended dishes include Chicken Cordon Bleu, hake, crispy olives, and several cocktails. Conversely, approximately 35% of comments indicate the food is "very expensive for what you get," often mentioning "tiny portions" for mains, such as fish and lamb, implying the view is a primary cost factor. Some specific dishes, including certain desserts or fish preparations, were occasionally described as "underwhelming" or "overcooked." A few reviews also note the wine list as "incredibly bad value."