How can maps show how my town has changed over time?

Using and understanding maps isn't just showing your skills in geography and maths. Maps are also an incredibly useful and important source for historians.
They provide information and knowledge of how a town has changed through time.
They can show where farm lands once were and the impact that historical time periods such as the Roman Empire, the Vikings and the Industrial Revolution had on our towns.
With the support of a trusted adult, you could find both digital and paper maps on online archives or in your local library.
Remember: If you do explore your local history, make sure you go with a trusted adult.

Important words
Important words on how maps can show how a place changes.
| Keyword | Definition |
|---|---|
| Infrastructure | How things are placed and organised. A town needs its buildings and roads in the right places to succeed. |
| Map symbols | Pictures or signs that represent real things such as forests, buildings and bridges. |
| Navigate | To find your way from one place to another. |
| Primary source | A first-hand account or original piece of evidence from an event or time period. |
| Settlement | A place where people live together such as village, town or city. |
Watch: How can maps reveal what was once in our town?
Explore how maps can reveal what was once in a town with the History Clue Crew.
Holly: HCC. Maps are treasure trails into the past. You have three hours to find out about what was once in your town using old and modern maps.
Darcey: When I think of maps, I think of treasure maps.
Ashton: I know exactly where I'm going. The Roman Museum in Canterbury.
Holly: You have three hours. I'll see you then. Don't be late.
Darcey: Not a single treasure map, but I found so many other maps with loads of clues.
This is a tithe map from the 1800's. Tithe means tax, and this map shows information on who owned land in towns and villages, who farmed and lived on it.
The rest of Hounslow on this map doesn't look anything like it does now.
There are some even older maps I found too. I found this archive from 1968.
Look at this, the difference between the new library and the old library. I wonder what people from 1968 would think of the library now.
Ashton: I found out Canterbury wasn't always called Canterbury. The Romans called it Durovernum Cantiacorum. Catchy.
Let's go find out where else has changed.
By comparing these old and new maps I can see here what has disappeared, moved or been built.
So it looks like no complete buildings have survived from Roman times, but the wildest thing about this map is that some parts of these buildings still exist.
Let's step back in time to around 2000 years ago.
Look where we're standing right now. This used to be a two storey Roman townhouse. I can imagine people rushing around here, playing with their pets and eating breakfast.
But why did the Roman city decline? And how did it end up as Canterbury today? What on earth happened to the Romans?
I've heard there's something else really exciting we can check out. Come on.
You can find so much about the history of places just by looking at their street name. Look at this - Hospital Lane named after the huge hospital that used to be there. How about Beer Cart Lane? No guessing what used to be there.
Uh, I might give Gas Street a miss though.
Darcey: I found these photos of the High Street during the Blitz in 1940.
Look, a bomb set fire to the whole of the High Street burning down most of the shops. Look at the high street now. It's so hard to imagine it was ever destroyed.
I also found all these jobs that they had in Hounslow before the war that you'd never believe existed.
Time for a quiz.
Welcome to 'You Said What?' Pre-war Jobs edition with me, Darcey.
What's a lamplighter? Pause and have a think.
Lamplighters. People that would walk around the streets lighting gas street lamps, then extinguishing them in the morning.
Question two. What's a town crier?
A town crier. A person that would stand on the street and shout the news updates at passers by.
And finally, what was a human computer?
A human computer. A person who would solve complex maths problems by hand before electric computers were widespread.
How many did you get?
Call incoming!
Holly: Time's up. HCC, what did you find?
Darcey: I found so much more than what my town looked like from old maps.
Ashton: I found out how some street names give clues to what was there in the past.
Holly: Excellent work truth seekers. Maps don't just tell us about where things are, they tell us about where things used to be.
Sometimes they were decorative or contained keys and clues, which tell us about what was important to people at that time.
What can maps tell you about where you live? Until next time HCC. Out.
How can we use maps to identify change over time?
Maps can be used as a primary source (first-hand evidence from an event or time period).
Historians use maps to compare a town or city during different time periods.
Using maps as evidence helps us to visually identify the similarity and difference (understanding what has stayed the same and what has changed through time) in a given area.
You can use maps to explore what has changed and what has stayed the same.
Maps often show the impact that trade and industry has had on an area and the ways in which infrastructure (the things that towns need to succeed) has developed through time.
Slideshow: London over 300 years

Image caption, A map of London from 1761. What do you notice about how many fields there are compared to buildings?

Image caption, A map of London from 1843. Can you see a change in the city since 1761? What do you notice?

Image caption, A modern day map of central London. There are a lot more buildings now! What parts have stayed the same after over almost 300 years?
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How were maps made in the past?

A long time ago, before cameras and satellites had been invented, mapmakers had to use other ways to draw and create maps.
They would have to use their memory to remember where key landmarks such as rivers were and count steps between places to estimate their distance.
Like many parts of history, mapmakers used people’s stories to help them develop their understanding of a town.
They also used mathematical skills, such as knowing the direction and scale to measure and calculate distances.
They used map symbols (pictures or signs that represent real things such as forests, buildings and bridges) to help to show real places and represent key places of interest.

What symbols would I find on a map and what would they tell me?

Map symbols have been used throughout time to support those reading the map to understand what they can see.
Symbols such as those for significant buildings such as churches and hospitals would have helped people to navigate to them (to find your way from one place to another).
Understanding what different features of a map meant helped people to better locate themselves and areas of significance.
Looking at maps throughout history helps us to understand why settlements (a place where people live together such as village, town or city) were built in places and how and why towns have developed through time.

Think like a historian

Have a look at the thinking points below and think about your answer to each question. You could even write them down on a piece of paper or discuss them with somebody else if you want to.
Why did people make maps of towns and cities?
What ways can a map show you what's changed in an area?

Did you think of helping people to navigate? Before we had maps on our phones, having paper maps was very important to help people not get lost if they didn't know somewhere well. People in charge of making new buildings and roads also need maps to understand a place's infrastructure. It wouldn't be helpful to build a hospital very far away from where anyone lives, or build a smelly sewage plant next to houses!
Did you think about the similarities and differences? You can compare two maps of the same place made at different times to see if anything has changed. A growing town or city might have more buildings. Important buildings like town halls or nature areas like parks and lakes might stay the same. Places destroyed by fire or war might have very different maps once they're rebuilt.
Activity: Quiz
Grown-ups corner
Are you a parent, carer or teacher?
Take a look at some of the links below on KS2 History which are packed full of knowledge, videos, quizzes and activities.
KS2 History: The Romans
BBC Bitesize for Teachers

KS2 History: Non-European Societies
BBC Bitesize for Teachers

KS2 History: British Asian History
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