
25th September 2025 by Jubair Ahmed
London is the world’s third-most visited city, attracting roughly 21 million international visits in 2024 (more than half of all international visits into the UK), generating £17 billion in spending. Given the scale of these numbers, it is important for policymakers to understand if the supply of...

6th August 2025 by Ben Corr
Summary The GLA’s 2024-based demographic projections will be a key part of the evidence base for the next London Plan. Final projections are expected to be published at the beginning of 2026, but the GLA has published an initial set of trend-based population projections – labelled ‘research outputs’...

1st August 2025 by Ben Corr
Summary On 24 June, ONS published their 2022-based subnational population projections (SNPP). Whilst acknowledging that projecting future population is inherently difficult, we think there are problems with these projections and can’t generally recommend their use in London. In particular, they...

27th March 2025 by Daryl Rozario, Gordon Douglass, Jubair Ahmed, and Sixia Zhang
Chancellor delivers Spring Statement On 26 March the Chancellor of the Exchequer, Rachel Reeves, delivered the 2025 Spring Statement which had a heavy focus on improving government efficiency and increasing spending on defence. The Chancellor thus announced the creation of a £3.25bn Transformation...

19th March 2025 by Paul Hodgson, City Data, GLA
Blog 2: Celebrating London’s data story Introduction Nearly two-thirds of London’s CO2 emissions come from buildings, with domestic buildings being a major contributor at 32%. Delivering retrofit to domestic buildings at scale and targeted to the most-effective types of building is therefore a key...

30th January 2025 by Daryl Rozario, Ali Ögcem, Gordon Douglass and Sixia Zhang
UK inflation slows marginally in December Consumer Price Index (CPI) inflation slowed in December, according to new data from the Office for National Statistics (ONS). CPI inflation rose by 2.5% in the 12 months to December 2024, down from 2.6% in the 12 months to November (Figure 1). Figure 1: This...

28th August 2023 by Adam Yousef
Recent studies and reports have shed some light into the links between London’s housing affordability crisis and the city’s productivity and economic growth. The argument goes that unaffordable housing is deterring London from attracting the highly-skilled human capital required for the city to...

25th November 2021 by Daryl Rozario, Mike Hope, James Watson, and Jasmine Farquharson
Inflation picks up sharply in October, with higher rates still to come October saw annual CPI inflation accelerate sharply to 4.2% from 3.1% in September. This annual reading is a ten-year high, while the monthly price increase of 1.1 percentage points is perhaps even more striking as the fastest in...

28th October 2021 by Wil Tonkiss
On 30th September the GLA Demography Team published the 2020-based population and household projections[1]. Most of our projections are updated annually, incorporating the latest data as it becomes available. This round of projections comprises both variant trend projections, based on the...

2nd March 2020 by Wil Tonkiss & Mike Brondbjerg, City Intelligence Unit
Understanding London’s population, and how and where it can be expected to change, is central to so much of the work undertaken at the GLA, in the boroughs and by many others across the capital. Each year the GLA Demography team produces an updated set of population projections which provide a huge...

8th August 2018 by Marcus McPhillips
At the end of July 2018, the Greater London Authority released the 2018 edition of its annual Housing in London report. This report is the most extensive source of data on housing in the capital, serving as the evidence base for the Mayor’s London Housing Strategy. It is a resource for policymakers,...

3rd May 2017 by Andrew Collinge
A couple of weeks back, Councillor Theo Blackwell, Cabinet Member for Finance, Technology and Growth at LB Camden and the Local Government Information Unit produced a report. You can read it here (supporting survey outputs included) to find out more about how, far from being ‘digital dinosaurs’,...

9th February 2017 by Giovanni Tonutti
Policy in Practice are embarking on an ambitious project to track over half a million low-income households in London to understand how they are impacted by welfare reforms and other government policies over the course of almost two years. Using councils’ anonymised household level data, the project...

20th December 2016 by Monica Li
There have been a number of media reports[1] in recent years about the exodus of young adults from London. One report from 2014 suggested that the number of thirty-somethings ‘fleeing’ the Capital was the highest on record. Rising housing costs are commonly cited as the main reason behind this...

19th December 2016 by Nevena Dragicevic (Nesta) and Wil Tonkiss (GLA)
In June this year the GLA’s Intelligence Unit began working with Nesta on the pilot for the London Office for Data Analytics (LODA). As the year draws to a close, this post provides an update on the key milestones we have already achieved and looks forward to some of the next steps being taken in...

12th August 2016 by Lora Armstrong
It’s been 6 weeks since our kickoff workshop for the London Office of Data Analytics (LODA) pilot programme, a joint venture between the GLA and Nesta, with involvement from nearly half of the London boroughs. The broader context shows a real sense of growing intent and purpose around data sharing...

28th July 2016 by Eddie Copeland, Director London Office of Technology & Innovation
As announced in previous blogs, Nesta is working with the GLA and more than a dozen boroughs in London – and with local authorities, the Digital Catapult and Sunderland Software City in the North East – to pilot data analytics projects that address public service challenges. This post provides a...

2nd February 2016 by Elisabeth Weise
We’ve been hard at work since our last update – in that time we’ve delivered our first release of Witan, and two babies! Our city modelling platform is now live and our first users in London have been given access this week. On-demand demographic projections to meet housing demand Witan is now able...

14th December 2015 by Gareth Piggott
This dataset from the Valuation Office Agency measures the total number of homes. The VOA collects various data about each property including council tax band, year property was built, and property type (eg house/flat and number of bedrooms). The visualisation below shows the number of homes in...

10th November 2015 by Daryl Rozario
By Joel Marsden, Economist The market for home ownership, house prices and mortgage costs in London are all topics which excite much opinion, and have inspired many blog posts. The latest GLA Economics working paper attempts to cut through the myriad views to focus on the economic fundamentals –...

22nd October 2015 by Gareth Piggott
The small area model-based income estimates are the official estimates of weekly average (mean) household income at the middle layer super output area (MSOA) level in England and Wales for 2011/12. This Tableau report for a visualisation of this data including house price to household income ratio...

5th October 2015 by Ben Corr
The Witan project kicked off this summer with a flurry of meetings, workshops, brainstorming sessions and lofty aspirations. Out of this frothy mix came the pragmatic decision to aim for concrete deliverables which both demonstrated the project’s potential and offered real benefit to stakeholders....

2nd September 2015 by Alexandra Coumas
The housing market has undoubtedly suffered negative coverage in the media in recent years and with millennials (people reaching young adulthood around the year 2000) struggling to get onto the property ladder, it has become a cause for concern for many. With this in mind, it comes as a surprise...

24th July 2015 by Alasdair Rae
A number of extremely useful new housing datasets have been opened up in recent years, including those on mortgage lending and house prices. So, at the risk of saturating the market in blog posts on housing in London, in this short piece I examine London’s mortgage lending hotspots by looking at...

16th July 2015 by Gareth Piggott
The latest house prices data from the Land Registry (LR) is visualised in the Tableau report below. The LR publish details of every house sale in England and Wales, including sale price, whether freehold/leasehold, type of property, and full postcode for example. The GLA uses the postcode to...

