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Castleside House 40 Narrowgate 705 - 2,203 SF of Office Space Available in Alnwick NE66 1JQ

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Highlights

  • Grade II Listed period stone building with strong character and kerb appeal.
  • Flexible accommodation across three floors, suitable for a variety of commercial uses.
  • Prime town-centre location surrounded by independents and national brands and directly beside Alnwick Castle.

All Available Spaces(3)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • Ground
  • 705 SF
  • Negotiable
  • $13.35 /SF/YR $1.11 /SF/MO $9,414 /YR $784.54 /MO
  • Office
  • Partial Build-Out
  • Now

nternally, the property offers a collection of cellular offices, W/C facilities, a reception area, storage rooms and a small kitchen, making it suitable for a wide range of business or professional uses.

  • Use Class: E
  • Office intensive layout
  • Partitioned Offices
  • Private Restrooms
  • Multiple cellular offices + reception
  • Three self-contained office floors
  • Partially Built-Out as Standard Office
  • Fits 2 - 6 People
  • Can be combined with additional space(s) for up to 2,203 SF of adjacent space
  • Fully Carpeted
  • W/Cs, storage and kitchen
  • 1st Floor
  • 745 SF
  • Negotiable
  • $13.35 /SF/YR $1.11 /SF/MO $9,949 /YR $829.05 /MO
  • Office
  • Partial Build-Out
  • Now

nternally, the property offers a collection of cellular offices, W/C facilities, a reception area, storage rooms and a small kitchen, making it suitable for a wide range of business or professional uses.

  • Use Class: E
  • Office intensive layout
  • Partitioned Offices
  • Private Restrooms
  • Multiple cellular offices + reception
  • Three self-contained office floors
  • Partially Built-Out as Standard Office
  • Fits 2 - 6 People
  • Can be combined with additional space(s) for up to 2,203 SF of adjacent space
  • Fully Carpeted
  • W/Cs, storage and kitchen
  • 2nd Floor
  • 753 SF
  • Negotiable
  • $13.35 /SF/YR $1.11 /SF/MO $10,055 /YR $837.95 /MO
  • Office
  • Partial Build-Out
  • Now

nternally, the property offers a collection of cellular offices, W/C facilities, a reception area, storage rooms and a small kitchen, making it suitable for a wide range of business or professional uses.

  • Use Class: E
  • Office intensive layout
  • Partitioned Offices
  • Private Restrooms
  • Multiple cellular offices + reception
  • Three self-contained office floors
  • Partially Built-Out as Standard Office
  • Fits 2 - 7 People
  • Can be combined with additional space(s) for up to 2,203 SF of adjacent space
  • Fully Carpeted
  • W/Cs, storage and kitchen
Space Size Term Rental Rate Space Use Condition Available
Ground 705 SF Negotiable $13.35 /SF/YR $1.11 /SF/MO $9,414 /YR $784.54 /MO Office Partial Build-Out Now
1st Floor 745 SF Negotiable $13.35 /SF/YR $1.11 /SF/MO $9,949 /YR $829.05 /MO Office Partial Build-Out Now
2nd Floor 753 SF Negotiable $13.35 /SF/YR $1.11 /SF/MO $10,055 /YR $837.95 /MO Office Partial Build-Out Now

Ground

Size
705 SF
Term
Negotiable
Rental Rate
$13.35 /SF/YR $1.11 /SF/MO $9,414 /YR $784.54 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

1st Floor

Size
745 SF
Term
Negotiable
Rental Rate
$13.35 /SF/YR $1.11 /SF/MO $9,949 /YR $829.05 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

2nd Floor

Size
753 SF
Term
Negotiable
Rental Rate
$13.35 /SF/YR $1.11 /SF/MO $10,055 /YR $837.95 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

Ground

Size 705 SF
Term Negotiable
Rental Rate $13.35 /SF/YR
Space Use Office
Condition Partial Build-Out
Available Now

nternally, the property offers a collection of cellular offices, W/C facilities, a reception area, storage rooms and a small kitchen, making it suitable for a wide range of business or professional uses.

  • Use Class: E
  • Partially Built-Out as Standard Office
  • Office intensive layout
  • Fits 2 - 6 People
  • Partitioned Offices
  • Can be combined with additional space(s) for up to 2,203 SF of adjacent space
  • Private Restrooms
  • Fully Carpeted
  • Multiple cellular offices + reception
  • W/Cs, storage and kitchen
  • Three self-contained office floors

1st Floor

Size 745 SF
Term Negotiable
Rental Rate $13.35 /SF/YR
Space Use Office
Condition Partial Build-Out
Available Now

nternally, the property offers a collection of cellular offices, W/C facilities, a reception area, storage rooms and a small kitchen, making it suitable for a wide range of business or professional uses.

  • Use Class: E
  • Partially Built-Out as Standard Office
  • Office intensive layout
  • Fits 2 - 6 People
  • Partitioned Offices
  • Can be combined with additional space(s) for up to 2,203 SF of adjacent space
  • Private Restrooms
  • Fully Carpeted
  • Multiple cellular offices + reception
  • W/Cs, storage and kitchen
  • Three self-contained office floors

2nd Floor

Size 753 SF
Term Negotiable
Rental Rate $13.35 /SF/YR
Space Use Office
Condition Partial Build-Out
Available Now

nternally, the property offers a collection of cellular offices, W/C facilities, a reception area, storage rooms and a small kitchen, making it suitable for a wide range of business or professional uses.

  • Use Class: E
  • Partially Built-Out as Standard Office
  • Office intensive layout
  • Fits 2 - 7 People
  • Partitioned Offices
  • Can be combined with additional space(s) for up to 2,203 SF of adjacent space
  • Private Restrooms
  • Fully Carpeted
  • Multiple cellular offices + reception
  • W/Cs, storage and kitchen
  • Three self-contained office floors

Property Overview

Castleside House is a characterful Grade II listed property of traditional stone construction, positioned prominently on Narrowgate in the heart of Alnwick. Formerly used as a healthcare facility, the building provides approximately 2,203 sq ft of versatile office accommodation arranged across three floors.

  • Kitchen
  • Reception
  • Central Heating
  • Secure Storage

Property Facts

Building Type
Office
Year Built
1800
Building Height
3 Stories
Building Size
2,203 SF
Building Class
C
Typical Floor Size
734 SF
  • Listing ID: 39739404

  • Date on Market: 3/11/2026

  • Last Updated:

  • Address: 40 Narrowgate, Alnwick NE66 1JQ

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