TXTunnelX

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Every site on file — 20 reports across 5 counties. Filter by region, or sort by when it was documented.

KNT · Kent

Pierremont Park Air Raid Shelter

World War II, Public air raid shelter

Public wartime shelter lying beneath a quiet green space in Broadstairs.

8 Feb 2026

KNT · Kent

128 Brigade Underground Battle Headquarters

World War II, Underground military headquarters

Underground brigade HQ located in a disused quarry at Sarre on the Isle of Thanet in Kent which was subordinate to the Battle HQ at Canterbury.

1 Jan 2026

KNT · Kent

Undisclosed Air Raid Shelter

World War II, Public air raid shelter

Public wartime shelter used to protect the local Kent people. Location Undisclosed to protect it.

1 Jan 2026

WM · West Midlands

Anchor Telephone Exchange

Cold War underground telephone exchange

A vast hardened underground telephone exchange built beneath Birmingham to protect Britain's communications network.

20 Dec 2025

CAM · Cambridgeshire

RAF Alconbury - TR-1 Facilities - 'Magic Mountain'

Cold War reconnaissance airbase

A major USAF reconnaissance base extensively redeveloped during the Cold War to support the TR-1 spy aircraft.

20 Dec 2025

KNT · Kent

St Margaret's Bay Telephone Repeater Station

1930s, Telecommunications infrastructure

WWII-era telephone repeater station at St Margaret’s Bay in Kent, built in 1932 to support the first international subsea telephone cable between Britain and France.

8 Feb 2023

SXS · Sussex

Truleigh Hill R2 Rotor Radar Station

Radar station, active 1940–1958

A Chain Home Low site turned Cold War ROTOR bunker on the Sussex Downs, its guardhouse and operations block still standing today.

28 Aug 2022

KNT · Kent

North Centre Detached Bastion

Napoleonic-era fortification

Two linked bastions built into Dover's Western Heights to guard against invasion from the north, now abandoned and overgrown.

1 Jul 2022

SXS · Sussex

Fairlight R2 Rotor Radar Station

Radar station, active 1940–1973

A wartime radar site near Hastings that was rebuilt underground during the Cold War, now buried within a nature reserve.

26 Jun 2022

KNT · Kent

Fan Bay Deep Shelter

World War II - Coastal deep shelter

A deep chalk-cut shelter built to protect the gun crews of the Fan Bay Battery, with wartime tunnels leading to First World War sound mirrors.

20 Apr 2022

STF · Staffordshire

RAF Fauld – Detonator Store

World War II, Munitions storage site

An underground WWII munitions depot near Hanbury, remembered for one of Britain's largest ever accidental explosions.

2 Apr 2022

SXS · Sussex

Beachy Head R1 Rotor Radar Station

Cold War radar bunker, built 1952

A secret underground R1 radar station on the cliffs above Eastbourne, built to watch for Soviet bombers and now almost entirely buried from view.

13 Feb 2022

KNT · Kent

HMS Pembroke – Royal Naval Barrack Tunnels

Royal Naval barracks, 1897–1984

The Chatham naval barracks that suffered a devastating WWI air raid, with tunnels beneath believed to have sheltered survivors.

25 Jul 2021

KNT · Kent

Undisclosed Air Raid Shelter

World War II, Public air raid shelter

Public wartime shelter used to protect the local Kent people. Location Undisclosed to protect it.

30 Jun 2021

KNT · Kent

Dover Docks – Royal Navy Fuel Bunkers

Naval fuel storage

Five vast fuel tanks cut into the cliffs above Dover Docks to keep the Navy's oil supply safe from air attack.

29 May 2021

KNT · Kent

Mackeson Brewery Tunnels

Early 20th century - present

Brick-built cellars beneath Hythe that once served the brewery behind Mackeson Stout, still used for storage today.

25 May 2021

KNT · Kent

Sittingbourne Air Raid Shelter

World War II, Public air raid shelter

Four separate wartime shelters lying beneath a quiet green space in Sittingbourne, each once holding around fifty people.

22 May 2021

KNT · Kent

Soldiers' Home & Durham Hill Air Raid Tunnels

Wartime shelter extension, 1940s

The eastern arm of Dover's Snargate Street shelter network, badly damaged by a direct hit in 1944 and unsafe ever since.

21 Apr 2021

KNT · Kent

Croucher's Tunnels

20th century, chalk-cut storage tunnels

The central section of a three-part chalk tunnel complex behind Snargate Street, Dover - still in occasional working use today.

11 Apr 2021

KNT · Kent

Court's Wine Vaults / Barwick's Caves

Early 19th century, chalk-cut vaults

The western section of Dover's Snargate Street tunnel complex

14 Dec 2020