Shared layer · In 3 nations

OS Historical 1919-1947

Explorer

Historical maps show how an area was recorded in an earlier period.

On iPhone? Get it on the App StoreOn Android? Get it on Google Play

Free to download on iPhone and Android.

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Scan with your phone camera to get the app
Start free trialOpen the web map

On your phone: App Store · Google Play

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

4.7 / 5 from 2,400+ ratings on the App Store and Google Play · 10,000+ prospectors and detectorists
OS Historical 1919-1947 in the Detector Maps app, England© Mapbox, © Maxar

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

About this layer

Historical maps show how an area was recorded in an earlier period. Compare old roads, buildings, boundaries and workings with the modern basemap. Scans can be misaligned, and features may have moved or disappeared.

What it is for

Compare the old map with the modern basemap using opacity. Check the selected map or era before interpreting a feature.

Limits

Old maps can be stretched, incomplete or offset from modern coordinates. Treat locations as clues rather than exact positions.

Plans

Where it works in United Kingdom.

Pictures

Drawn in each nation.

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

Source

Where the data comes from.

For England

Data © OpenStreetMap contributors, UK public datasets; styling © Detector Maps™

For Scotland

Data © OpenStreetMap contributors, UK & Scotland public datasets; styling © Detector Maps™

For Wales

Data © OpenStreetMap contributors, UK & Wales public datasets; styling © Detector Maps™

Plans

What the pills mean.

Every layer shows the plan that opens it. The free plan never runs out. Prices are shown once, here.

Free

Open on every plan, forever. Includes recorded finds and old maps where the place has them.

Explorer

Opens every base layer, and offline maps for the areas you choose. £50 a year or £10 a month, including 20% VAT.

Add-on

A layer sold on its own: the Dynamic NDVI add-on for England, +£50 a year.

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

The UK has Free and Explorer. There is no Pro plan.

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

Get Detector Maps

Plan the next trip tonight.

Free to download on iPhone and Android.

On iPhone? Get it on the App StoreOn Android? Get it on Google Play

Free to download on iPhone and Android.

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Scan with your phone camera to get the app
Start free trialOpen the web map

On your phone: App Store · Google Play

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Or open the web map

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