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Lumps Fort
Fort · near Portsmouth · Hampshire

Lumps Fort

Lumps Fort is a fortification in Southsea, City of Portsmouth. It counts as a scheduled monument. A short trip away is HMS Victory, 3.7 km off, the first of 95 within 15 km.

Photo: Lumps Fort, RAF (Public domain)
Where
100 m
south of Portsmouth
How well known
Top 49%
#4,147 of 8,556 places we list
Warmest months
May–Sep
highs of 18–23°C
In brief

Fort near Portsmouth

Just outside Portsmouth

Lumps Fort is 100 m south of Portsmouth. Towns near it ↓

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 months and wet ones

Afternoons in Portsmouth reach 18–23°C from May to September.

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

Lumps Fort

Fortification in Southsea, City of Portsmouth, England, UK.

100 m south of Portsmouth.

Portsmouth’s listed buildings and monuments →

Type
Fort
Listed
Scheduled monument
Town
100 m south of Portsmouth
Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).
The map

The map

The map centres on Lumps Fort, in orange, with nearby places numbered.

12345678

© OpenStreetMap contributors · ONS built-up area 2022

Towns near it

Towns that list Lumps Fort

By population, Portsmouth leads the 3 with 223,324. Nearest first, every town here counts it among its places to visit.

123
  1. 1Portsmouth
  2. 2Gosport
  3. 3South Hayling
1 · 100 m north of it

Portsmouth

223,324 people · 64 places to visit

2 · 3.2 km northwest of it

Gosport

70,120 people · 57 places to visit

3 · 4.4 km east of it

South Hayling

15,305 people · 10 places to visit

Compare the 3 towns
TownWhere Lumps Fort isPeoplePlaces to visit
Portsmouth100 m north of it223,32464
Gosport3.2 km northwest of it70,12057
South Hayling4.4 km east of it15,30510
Make a day of it

Combine it with these

Also close at hand are 2 historic ships, 2 castles and a museum, among 95 within 15 km.

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

Your questions on Lumps Fort

Where is Lumps Fort?

Lumps Fort is 100 m south of Portsmouth, Hampshire.

What is Lumps Fort?

Fortification in Southsea, City of Portsmouth, England, UK.

When is the best time to visit Lumps Fort?

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

Is Lumps Fort a listed building?

Yes: scheduled monument.

What else is there to see near Lumps Fort?

Within 15 km: HMS Victory (3.7 km), Mary Rose (3.4 km), HMS Warrior (3.5 km) and Spinnaker Tower (3.3 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)

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.