Sherwood & Nottinghamshire Grantham
Sir Isaac Newton, Grantham
Independent pet-friendly review by Four Legged Guests · updated August 2026 · paw rating built from 4 verified guest reviews mentioning pets
Bring your dog if
- You want a whole-property rental - no shared lobbies or corridors to navigate with your dog
- You're basing yourself in Grantham / the Sherwood & Nottinghamshire and want a pet-friendly anchor for day trips
- The wider guest experience is strong - guests rate this 9.0/10 overall on booking platforms
Worth knowing
- Paw rating is based on 4 reviews - limited sample, treat as directional
- Pet fee and any size restrictions aren't published - confirm directly with the property before booking
How this review was built Evidence, sources, refresh cadence
- Evidence: 4 pet-mention guest reviews sourced from major booking platforms - guests who explicitly mentioned travelling with a dog. Each review is screened for pet-relevance, then judged for sentiment to compute the paw rating.
- Not a personal visit. We don't stay at every hotel we cover - we summarise patterns from real guest reviews, paraphrased and never quoted verbatim. Full standard on our editorial policy page.
- Wider context: The property has 13 guest reviews overall across booking platforms, averaging 9.0/10 - the paw rating reflects only the pet-mentioning subset.
- Last refreshed: August 2026. Policies and pricing drift; we re-check on a rolling basis. Confirm specifics with the property at the moment you book.
- How the paw rating works: Full detail on the methodology page, including the three verification gates and known limitations.
Pet-friendly summary
Sir Isaac Newton is a whole house to yourself on a quiet residential street in Grantham, and the enclosed back garden is what makes it work for dogs. No shared corridors, no lift, no other guests to negotiate around, and a fenced patch outside that you can open the door onto at six in the morning without getting dressed first.
The property advertises that pets stay free of charge, which is unusual enough in self-catering to be worth noting. Nothing further about pet terms is published, so confirm how many dogs are allowed and any conditions with the owner when you book. Parties arriving with more than one dog report the garden coped comfortably, and the space suits a household that would rather not split a pack across two rooms.
Beyond the garden, guests describe a genuine home-from-home: a well-stocked kitchen with milk, tea and snacks left out, good parking, and a host who is easy to reach and quick to help. The street is very quiet, and there is plenty of local walking, with the hospital, town centre and the A1 all close by.
Feedback is not uniformly positive, and one point matters specifically to dog owners. The main front gate has been reported broken and propped shut with wheelie bins, which undermines the whole reason to choose a house with an enclosed garden. Check it on arrival before you let a dog off the lead. The same feedback found the furnishings dated, the sofas uncomfortable and the downstairs bathroom awkwardly laid out.
At 4.3 out of 5, this is a practical rather than a polished stay. It suits dog owners who want space, a garden and self-catering freedom near the A1, and who value that over hotel finish.
Highlights from pet-mentioning reviews
What reviewers travelling with dogs consistently noted about staying here.
- Enclosed rear garden for off-lead time
- Room for more than one dog
- Whole house with no shared corridors
- Quiet street with local walking
- Front gate security worth checking
About this hotel
Sir Isaac Newton is a self-catering house on Ninth Avenue in Grantham, Lincolnshire, sleeping a family or a couple. It has off-street parking, a well-equipped kitchen with basics supplied, and an enclosed rear garden. Guests rate it 9.0 out of 10 across 13 reviews, and both the A1 and the A52 are a short drive away.
Hotel facts
Photos
Location
Ninth Avenue, Grantham, NG31 9TF
