The Blue Wall.

What is it, and why should we care?

Well, by my reckoning, the 53-seat strong Blue Wall is a line of Conservatives-held constituencies in the South of England, stretching from Lewes to Stroud.

Plus a few 'islands' dotted across the South and East of England.
The definition I am working with is heavily based on work in Brexitland done by @ProfSobolewska and @robfordmancs:

- Voted to Remain in 2016 (according to @chrishanretty estimates)
- Have a higher than average (25%+) proportion of graduates
- Are in the South or East of England
The Blue Wall is the flipside of the Red Wall coin.

Just as many North/Midlands seats which have traditionally voted Labour are now moving to the Conservatives as the great Brexit realignment rumbles on, many seats are slowly moving away from the Tories in the South and East.
Why are they moving away?

Well, demographically-speaking, Remain-voting University graduates are one of the least likely tribes to be voting Conservative.

And there are more and more of them stacking up in traditional 'blue as blue' seats.

A Commuterville story, if you like.
A crucial components to Blue Wall is that its foundations have shades.

Based on previous election results, there are 20 Blue Wall constituencies where Labour would seem to be best placed to capitalise on Tory disaffection.

In 33 seats, the Lib Dems are the obvious challengers.
This Blue Wall definition would have included 54 seats up until Thursday, when the Lib Dems took out a significant brick in Chesham & Amersham.

As part of YouGov analysis for The Times, I found 23 *easier* constituencies for the Lib Dems to win than C&A: thetimes.co.uk/article/lib-de…
Chesham & Amersham falling with a 25-point swing tells us something v. important about what is going in the Blue Wall.

It matches medium-term trends back to 2017, 2019, and the 2021 local election results.

Conservatives are losing ground fast in their Remain-leaning heartlands.
I've been asked if I can provide a list of these constituencies for people to check out.

So here's a file listing the seats which fit this definition, and includes some background info: #GE2019 result, estimated Leave share, % degree holders, and more!

docs.google.com/spreadsheets/d…
If you’d like some more reading about the Lib Dems in particular and where their future target seats ought to be (both around and beyond the Blue Wall), I’d highly recommend this from @ProfTimBale, @DrAlanWager and @Aron_Cheung on the ‘Yellow Halo’: ukandeu.ac.uk/partner-report…

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More from @PME_Politics

18 Jun
Alrighty, Chesham and Amersham!

Lib Dem gain, swing of 25pts.

This thread will be specifically about the by-election. I’ll do a separate one on the ‘Blue Wall’ idea and what C&A tells us about the Gold shift hypothesis later.

First up, should we have seen this coming?

Yes.
Things always, always look easier and clearer in hindsight, so I’m not going to do any daft “I told you so” takes.

But if you’ll indulge me, cast your mind back to May, then to Dec 2019.

Places like C&A have been trending away from the Conservatives for a number of years now.
In the May 2021 locals, the Lib Dems (and Labour, Greens) cannoned through council after council in the South East + East of England, hoovering up Tory
seats. See results in places like Surrey, Bucks, and specifically C&A as @markpack pointed out: markpack.org.uk/167476/lib-dem…
Read 12 tweets
8 May
From data collected and analysed by the BBC (1247 'key wards' across the country), we can calculate an implied swing since the 2019 General Election.

That figure is a 3-point swing toward Labour.

If applied uniformly across the GB, that would be around:

Con: 340 seats
Lab: 221
The swing is differential across different regions of the country.

For example, there has been a swing to Labour of around 5 points in the West Midlands, but there was a swing *to the Conservatives* of around 1 point in the North West.
But the story is very different when compared to 2016, the last time many of the district councils were up.

There were 16-21 swings of 12.3 to the Conservatives in the North East, 8 points in the West Midlands, and 6 points in Yorkshire.

That's why they took so many seats.
Read 7 tweets
6 May
So, #SuperThursday polls have closed!

Thanks to everyone involved behind the scenes in making sure this democratic exercise could take place.

Here are a few thoughts about what I think we might see over the next few days as results come in. It's going to be quite a ride!

1/n
First - yes, it's the "red wall".

A large number of councils in the north and midlands where the Conservatives won a traditionally Labour-held constituency in 2019 held elections today.

But while both Dudley and Durham share that definition, they're apples and pears for today.
Councils seats being contested today in areas like Dudley, Wolverhampton, Bury, and Burnley were last fought in 2016.

Back then, Labour and the Conservatives were in a virtual tie in the polls.

UKIP were arguably at the peak of their powers, and won 58 council seats that year.
Read 12 tweets

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