5 FSA-listed Thai businesses · ★★★★☆ average hygiene rating · 0.4% of UK total
Portsmouth has 5 Thai food businesses serving a population of approximately 208,000. That's 2.4 Thai businesses per 100,000 residents — above the UK average of 2.1/100k. The market appears underserved — low supply relative to population, suggesting unmet demand.
All Thai food businesses in Portsmouth are dine-in restaurants (6). There are no takeaway-only establishments.
This split matters for market entry strategy: a takeaway-heavy market suggests delivery-first demand; restaurant-dominant markets suggest eat-in culture.
vs London: Portsmouth has 1.5% of London's 273 Thai businesses, with 2.4% of London's population.
vs UK total: Portsmouth's 5 Thai businesses are part of 1,241 across the UK.
If you're considering opening a Thai restaurant in Portsmouth, the data suggests this market may be underserved — a potential opportunity for new entrants. Use our operating costs guide to model the numbers, and check the full city comparison to see how Portsmouth stacks up against other cities.
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Thai restaurants in Portsmouth cluster in these postcode areas:
There are 5 FSA-listed Thai businesses in Portsmouth — 5 dine-in restaurants and 0 takeaways.
The highest-rated Thai restaurants in Portsmouth include Banana Tree, Koh Thai, Saro's Thai Cafe, all holding 5/5 FSA hygiene stars.
The average FSA hygiene rating across 5 Thai businesses in Portsmouth is 4.4/5 stars.
More UK Thai restaurant FAQs — hygiene ratings, pricing guides, delivery platforms, and data methodology.