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Sir Isaac Newton (pub), 84 Castle Street, Cambridge

A friendly, dog‑friendly Castle Street pub named for Cambridge’s famed scientist — casual food, sports screens and a neighbourhood atmosphere.

4.2

A lively, history-tinted pub on Castle Street named for Cambridge’s most famous scientist, Sir Isaac Newton. Expect a roomy interior with sports screens, a long bar, and a mixed menu of pub classics; the atmosphere suits groups, locals and dog owners, and it's popular for watching matches and informal socialising in the city’s west end.

A brief summary to Sir Isaac Newton

  • 84 Castle St, Cambridge, CB3 0AJ, GB
  • +441223305555
  • Visit website
  • Duration: 0.5 to 3 hours
  • Mid ranged
  • Environment icon Indoor
  • Mobile reception: 4 out of 5
  • Monday 11:30 am-2:30 pm
  • Tuesday 11:30 am-2:30 pm
  • Wednesday 11:30 am-2:30 pm
  • Thursday 11:30 am-2:30 pm
  • Friday 11:30 am-11:30 pm
  • Saturday 11:30 am-11:30 pm
  • Sunday 11:30 am-11:30 pm

Local tips

  • If you want a quieter visit, come mid-afternoon on weekdays when the pub is calmer and service is quicker.
  • The pub is dog-friendly—bring your pet but be mindful of busy match nights when space is limited.
  • Expect match-day crowds around televised fixtures; reserve a table for larger groups where possible on big sports days.
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Sir Isaac Newton location weather suitability

  • Weather icon Any Weather
  • Weather icon Mild Temperatures

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Discover more about Sir Isaac Newton

Character and setting

Sir Isaac Newton sits on Castle Street, a broad Victorian-era road on the western edge of central Cambridge, presenting a convivial pub interior that blends modern comforts with traditional pub layout. The bar area is arranged for socialising and televised sport nights; there’s a sense of everyday city life here rather than ornate or themed dining. Lighting and finishes lean practical and welcoming, while seating is arranged to accommodate both small groups and larger parties.

Food, drink and service style

The kitchen focuses on approachable pub dishes and casual plates to pair with a modestly-priced drink list; menus typically include burgers, pies and bar snacks alongside a rotating selection of ales and lagers. Service operates on a friendly, informal model typical of a neighbourhood pub—efficient at busier times but relaxed during off-peak hours. Screens for live sport are a defining feature and help shape peak times and the overall social energy.

Who it suits and atmosphere

This is a social, easygoing pub that appeals to local residents, students and visitors seeking a casual pint or to watch a match. It is dog-friendly and frequently hosts groups watching televised fixtures; the ambience is lively during evenings and quieter in daytime when it functions as a comfortable spot for a relaxed lunch or midweek break. Expect a mixed-age crowd and a practical, unpretentious vibe.

Layout, accessibility and practical features

The premises include an open-plan bar with multiple seating zones and visible screens; there are no elaborate private dining rooms, but the space can handle mid-sized groups. Accessibility is typical of refurbished city pubs—step-free access may be limited at older thresholds and some tight circulation routes can occur near the bar, so wheelchair users should check specifics before arrival. The pub is dog-friendly and suited to short stays or longer social evenings.

Local context and nearby character

Located on Castle Street, the pub sits within a short distance of residential areas and local shops rather than the tourist-heavy core of Cambridge colleges; this gives it a neighbourhood feel while still being within reach of the city centre. The name nods to Cambridge’s scientific heritage, and although the venue is a contemporary commercial pub rather than a museum or historic house, the association with Isaac Newton adds an agreeable layer of local identity.

Practical notes on timing and experience

Expect the highest energy during televised matches and weekend evenings when the bar becomes lively; daytime visits are calmer and better for conversation. The environment is geared toward casual drinking and simple meals rather than fine dining—come for sociability, accessible pub food and a convivial, straightforward local experience.

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