Castle · near Portsmouth · Hampshire

Portchester Castle

Portchester Castle is a medieval castle. Its setting is 100 m northwest of Portsmouth. It is a scheduled monument.

Photo: Portchester Castle, Matthew Folley from UK (CC BY 2.0)

Where

100 m

northwest of Portsmouth

Run by

English Heritage

a national heritage body

How well known

Top 3%

#219 of 8,556 places we list

Warmest months

May–Sep

highs of 18–23°C

In brief

Castle near Portsmouth

One of the best-known places to visit in England, Scotland, Wales and Northern Ireland

#219 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (18 Wikipedias). About ↓

Just outside Portsmouth

Portchester Castle is 100 m northwest of Portsmouth. Towns near it ↓

Cared for by English Heritage

One of the places English Heritage looks after; members usually get in free. About ↓

Scheduled monument

On the official list of protected heritage; Portsmouth has 490 listed buildings in all, on its History page. About ↓

Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.

When to go

Warm weather in Portsmouth runs May to September, with highs of 18–23°C.

Jan9° / 3°86 mm

Feb9° / 3°60 mm

Mar12° / 4°50 mm

Apr15° / 6°53 mm

May18° / 8°43 mm

Jun21° / 11°50 mm

Jul23° / 13°46 mm

Aug23° / 13°60 mm

Sep20° / 11°58 mm

Oct16° / 9°88 mm

Nov12° / 6°90 mm

Dec10° / 3°89 mm

Green months are the warmest. Typical afternoon highs and night lows in Portsmouth, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Portsmouth. Opening times change through the year: check before you go. Portsmouth’s full climate →

About

Portchester Castle

The site is kept up by English Heritage. Readers can find it on Wikipedia in 18 languages. Around it, within 15 km, lie 85 more places, HMS Victory (4 km) first on our list.

Portsmouth’s listed buildings and monuments →

Type: Castle
Run by: English Heritage
Listed: Scheduled monument
Wikipedias: Covered in 18 languages
Town: 100 m northwest of Portsmouth
Official site: english-heritage.org.uk/visit/places/portchester-castle

Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).

The map

Where it sits

Orange: Portchester Castle.

Towns near it

Towns that count Portchester Castle

The 8 towns are led in size by Portsmouth, with 223,324 people. The list runs from its own town outward.

1 · 100 m southeast of it

Portsmouth

223,324 people · 64 places to visit

2 · 2.4 km west of it

Fareham

42,633 people · 20 places to visit

3 · 3 km southwest of it

Gosport

70,120 people · 57 places to visit

4 · 3.8 km north of it

Southwick

703 people · 9 places to visit

Compare the 8 towns

Town	Where Portchester Castle is	People	Places to visit
Portsmouth	100 m southeast of it	223,324	64
Fareham	2.4 km west of it	42,633	20
Gosport	3 km southwest of it	70,120	57
Southwick	3.8 km north of it	703	9
Waterlooville	4.6 km northeast of it	34,766	11
Peel Common	5.6 km west of it	263	12
North Boarhunt	6.3 km northwest of it	842	7
Lee-on-the-Solent	7.6 km west of it	24,307	21

Make a day of it

Close to Portchester Castle

Our list has 85 more within 15 km, among them 2 historic ships, 2 cathedrals and a museum.

Historic shipHMS Victory4 km away 2

MuseumMary Rose4.2 km away 3

Historic shipHMS Warrior4.4 km away 4

AttractionSpinnaker Tower4.7 km away 5

Historic house · English HeritageOsborne House15 km away 6

CathedralPortsmouth Cathedral5.3 km away 7

CathedralCathedral of St John the Evangelist4.4 km away 8

CastleSouthsea Castle6.8 km away

Within 15 km, close and well known first. Numbers match the map.

What people ask about Portchester Castle

Where is Portchester Castle?

Portchester Castle is 100 m northwest of Portsmouth, Hampshire.

What is Portchester Castle?

Medieval castle in Portchester, Hampshire, England, UK.

Who runs Portchester Castle?

English Heritage, so members usually get in free; check opening times before you go.

When is the best time to visit Portchester Castle?

May to September are the warmest months in Portsmouth, with afternoon highs of 18–23°C (Met Office 1991–2020 averages).

Is Portchester Castle a listed building?

Yes: scheduled monument.

What else is there to see near Portchester Castle?

Within 15 km: HMS Victory (4 km), Mary Rose (4.2 km), HMS Warrior (4.4 km) and Spinnaker Tower (4.7 km).

Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.

Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).

Photo credits (9)

Portchester Castle: Matthew Folley from UK, CC BY 2.0, Wikimedia Commons
HMS Victory: David Dixon, CC BY-SA 2.0, Wikimedia Commons
Mary Rose: Mary Rose Trust, CC BY-SA 3.0, Wikimedia Commons
HMS Warrior: geni, CC BY-SA 4.0, Wikimedia Commons
Spinnaker Tower: Chris Downer, CC BY-SA 2.0, Wikimedia Commons
Osborne House: Humac45, CC BY-SA 3.0, Wikimedia Commons
Portsmouth Cathedral: JohnArmagh, Public domain, Wikimedia Commons
Cathedral of St John the Evangelist: JohnArmagh, Public domain, Wikimedia Commons
Southsea Castle: Geni, CC BY-SA 4.0, Wikimedia Commons

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.