1 Bedroom Apartments for Rent in New Castle, NH (68 Rentals)

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Genius Ideas and Studio Layout Tips That Maximize Every Square Inch

Transform your studio apartment layout and maximize storage. Get proven ideas from a 20-year property expert to make any small space stylish and functional.

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Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts

Create a productive work-from-home apartment setup, even in a small space or studio. Discover layout ideas, desk solutions, and organization tips that actually work.

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42 Market St
$2,100 - $2,200
Total Monthly Price

Total Monthly Price

Base Rent
$2,100 - $2,200
Total Monthly Price
$2,100 - $2,200
1 Bedroom Apartment Available Now

42 Market St

42 Market StPortsmouth, NH 03801
Affordability

Navigating the Rental Market: Tips for First-Time Renters

Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

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property at 238 Deer St

$2,400 - $2,650

1 Bedroom Rentals

Available Now

238 Deer St

PortsmouthNH03801
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2 Bow St
1 Bedroom Apartments

2 Bow St

2 Bow StPortsmouth, NH 03801
  • Utilities Included
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51 Islington St
1 Bedroom Apartments

51 Islington St

51 Islington StPortsmouth, NH 03801
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241 Middle St
1 Bedroom Apartments

241 Middle St

241 Middle StPortsmouth, NH 03801
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5 Hillcrest Ave
1 Bedroom Apartments

5 Hillcrest Ave

5 Hillcrest AveKittery, ME 03904

Renting Smart: Lease Basics Every Renter Needs

Demystify Your Rental Lease. Learn the basics about renting, deposits, and tenant/landlord responsibilities. Rent smart and avoid surprises. | Renter University at ApartmentHomeLiving.com

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98 Court St
1 Bedroom Apartments

98 Court St

98 Court StPortsmouth, NH 03801
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28-30 Traip Ave
1 Bedroom Apartments

28-30 Traip Ave

28-30 Traip AveKittery, ME 03904
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Rockingham House
1 Bedroom Apartments

Rockingham House

401 State StPortsmouth, NH 03801
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361 Miller Ave
1 Bedroom Apartments

361 Miller Ave

361 Miller AvePortsmouth, NH 03801
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151 High St
1 Bedroom Apartments

151 High St

151 High StPortsmouth, NH 03801
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28 Wyman Ave
1 Bedroom Apartments

28 Wyman Ave

28 Wyman AveKittery, ME 03904
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233 Vaughan St
1 Bedroom Apartments

233 Vaughan St

233 Vaughan StPortsmouth, NH 03801
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14 Market Sq
1 Bedroom Apartments

14 Market Sq

14 Market SqPortsmouth, NH 03801
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3 Congress St
1 Bedroom Apartments

3 Congress St

3 Congress StPortsmouth, NH 03801
  • Smoke Free

The Art of the Rental Viewing: What to look for during a property tour

Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

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Showing Results 1-50, Page 1 of 2

New Castle, NH Local Guide

Largest Available New Castle and Nearby 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in New Castle, NH is found at The Thomas Apartments in the Crocketts Crossings neighborhood and is 888 square feet priced from $2,196. 29-41 Congress St in the Hillcrest neighborhood has the second largest 1 Bedroom, which is sized at 815 square feet and currently listed start at $3,495. Here is today’s list of the largest available 1 Bedroom units in New Castle:

Apartment ListingModel NameSquare FootagePriced From
The Thomas ApartmentsOne Bedroom plus Den888 Sq Ft$2,196
29-41 Congress StApt. D815 Sq Ft$3,495
The Residences at Portwalk PlaceAria 1 Bedroom B8732 Sq Ft$3,595
Cummings Mill1 Bedroom705 Sq Ft$1,450
Princeton Dover ApartmentsAnnex One Bedroom704 Sq Ft$2,300
Sagamore Court1 Bedroom650 Sq Ft$1,858
Royal Oak ApartmentsDeluxe One Bedroom625 Sq Ft$1,995
West End YardsA1M612 Sq Ft$2,705
Winchester Arms1 - C570 Sq Ft$1,550

Cheapest Available New Castle and Nearby 1 Bedroom Apartments

As of May 19, 2026 the lowest priced 1 Bedroom apartment unit in New Castle, NH is the 1 Bedroom Model starting from $1,450 at Cummings Mill in the Crocketts Crossings neighborhood. The second most affordable New Castle 1 Bedroom is the 1 - C Model at Winchester Arms starting at $1,550 . The average price for all 1 Bedroom apartments in New Castle is currently $2,432. Here is today’s list of the cheapest available 1 Bedroom options in New Castle:

Apartment ListingModel NamePriced From
Cummings Mill1 Bedroom$1,450
Winchester Arms1 - C$1,550
Rockland Street Apartments1-Bedroom$1,850
Sagamore Court1 Bedroom$1,858
Royal Oak ApartmentsStandard One Bedroom$1,895
The Thomas ApartmentsOne Bedroom plus Den$2,196
Princeton Dover ApartmentsAnnex One Bedroom$2,300
West End YardsA1M$2,705

Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University

From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.

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Frequently Asked Questions about 1 Bedroom New Castle Apartments

How much is the average rent for a 1 Bedroom New Castle Apartment?

The average rent for a 1 Bedroom Apartment in New Castle is $2,432.

What is the largest available 1 Bedroom New Castle Apartment for rent?

Today's apartment with the most square footage in New Castle is a 888 square feet unit starting from $2,196 at The Thomas Apartments.

What is the average size for New Castle 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in New Castle is currently 688 sq ft.

Expert Rental Resources

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

Articles, How-To's, and Tips

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Genius Ideas and Studio Layout Tips That Maximize Every Square Inch

Written by: Lauren Harrington

This article was written based on first-hand renter experiences and common layout challenges identified after move-in.

decorative image for A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back article

A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back

Written by: Lauren Harrington

I’m going to talk with you as a seasoned property manager and friend. So, let’s start with your security deposit. I want you to think about this guide as insider information. You deserve your deposit back.

decorative image for Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts article

Expert Solutions for Creating the Perfect Work-From-Home Apartment Layouts

Written by: Lauren Harrington

This article is based on first-hand experience managing apartment communities and helping renters adapt to their spaces after moving in.

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What Does “Rent Burdened” Mean? How Much Rent Is Too Much

Written by: Lauren Harrington

This article draws from first-hand renter experiences and recurring financial challenges reported after moving in.