Councils are granting enough planning permissions – so why aren't we building housing?

The good old days. Image: Hulton Archive/Getty.

One of the central housing objectives of David Cameron’s government was to liberalise the planning system and increase the amount of land that was permissioned for residential development.

To be fair, in that respect, it didn’t do too bad a job. The number of units given planning permission in England increased from 176,209 in 2011 to 261,644 in 2015. The planning system is now yielding enough permissions to meet the roughly 250,000 new homes many housing economists think we need to keep up with household growth.

This doesn’t mean they are all in precisely the right places – although London’s permissions are running at around 50,000 a year, according to the latest figures from the Department for Communities & Local Government (DCLG), more or less in line with what the capital is thought to need. Nor does it mean that they are all necessarily in a position to be built out the very next day.

But, still, the number of plots approved for residential development in a given year has increased dramatically, by 48 per cent between 2011 and 2015.

Here’s the thing, though: this has not been matched by anything like a corresponding increase in building activity. Starts have risen over the same period by just 26 per cent, from 110,820 in 2011 to only 139,680 in 2015. If we’re ever to increase housing supply to the required levels, this growing shortfall between permissions and starts will need to be addressed and overcome.

Now, the Home Builders Federation (HBF) dismisses the starts figures as unreliable. And it is true that they probably underestimate activity somewhat  usually by a few thousand units, sometimes possibly by up to 20,000 units.

But even 20,000 (and I’m being really generous there) is nothing compared with the gap that has emerged between new planning permissions and building starts – a gap which was 65,389 in 2011 and, by 2015, have grown to a massive 121,964.

Sure, there is a little bit of give in the figures, but the trend is clear: homes simply aren’t being built as quickly as they are being approved by planners.

Another way of measuring this is to look at the completions numbers from the government’s other housebuilding data series, the more reliable “Net supply of housing”; this is published each November and is the HBF’s preferred source of figures.

Of course, completions take rather longer than start’s, so we have to allow for a degree of timelag: builders reckon homes take two to threee years to proceed from planning permission to being ready for occupation.

But even allowing for that, the same discrepancy occurs. There were 195,300 homes approved in 2012, for example; three years later there were still only 155,080 completions. Whichever we cut this, whether we look at starts or completions, it is clear that building activity has not responded proportionately to the rapid increase in land ripe for development.

The gap between permissions and building activity that has emerged since 2011 can be appreciated at a glance from the following graph. Note too that, pre-crash, while there was a gap back then, it was much tighter.

So what’s behind this? To be fair to developers, many of these planning permissions may not be in their possession. There has long been an issue of non-building landowners (speculators, historic landowners, public sector agencies, and so on) sitting tight while their holdings rise in value. This has been well documented in London by the consultants Molior.

However, Molior has charted a decline not an increase in the number of unbuilt planning permissions being held by non-builders over recent years, from 45 per cent in 2012 to 32 per cent in 2014.

So that still leaves two-thirds of unimplemented permissions in the capital in the hands of developers. So why are they not throwing up houses? Is there not a shortage of homes in this country?

Unfortunately the private housebuilding industry does not cater to housing need: it caters to effective demand. The building activity depicted in the graph above (minus 20,000 or so housing association starts each year) reflects not how many houses could be built, but how many willing buyers there are ready to purchase a new-build property at current market prices.

Developers do not build out sites as quickly as they physically can. They build them out as quickly as people are prepared to buy them – at the current market price or higher. As Philip Barnes, group land and planning director at Barratt Developments, recently observed:

The reality is that housebuilders, as return-on-capital businesses are not able to build our products at a pace faster than our customers will purchase them, at the market value.

“We could in theory cut prices to speed up sales – but we have based our land purchase price on the estimated market values so we don’t have this option in practice.”

Does this amount to landbanking? Developers say it doesn’t.

But, whatever we might call this process, the effect is that they are not releasing land with houses on it back into the market until it has reached the price they need to achieve to turn a profit. They are acting perfectly rationally in the present market – if I were a housebuilder I would do the same – but this is not an arrangement which is compatible with dramatically increasing the number of homes to plug a housing shortage.

Addressing this dynamic is something that Theresa May’s government must prioritise if it is to make any real headway on housing. There are various policies that have been uggested for tackling it. Opening up the market to SME builders by increasing the number of smaller development sites would be a good start, although it is unlikely this would make quite the difference that is needed.


A bolder route would be for the government or councils to directly commission builders (including, again, many SMEs) to put up the houses we need, and so bypass the private sector; but this will involve spending a good chunk of money.

Short of that, private developers will have to be incentivised to build more quickly. This will probably mean giving – and requiring – local authorities the power to impose contractual obligations about the pace of development when granting planning permission in the first place. It will mean creating a framework within which developers do not bid each other up for every plot of land to such a price that they cannot afford to build it out at speed.

If it is clear and explicit enough, the local authority’s requirements for all developments could be used by developers to signal to landowners that they cannot pay above a certain price for the land. Land prices, the repositary for most of the inflated value in housing, would be anchored.

Don’t get me wrong: we are still going to need lots more land, in perpetuity, to keep the housing pipeline going. This is not a Nimbys’ charter. It will still be a big task to ensure enough new homes are approved by planners – and in the right places – to meet the rapidly growing need for housing.

But the principal challenge right now is not increasing the numbers of new planning permissions. It’s getting those that are granted built out much more quickly.

Daniel Bentley is editorial director at the think tank Civitas and tweets @danielbentley. His briefing paper “Planning approvals vs housebuilding activity, 2006-2015” was published this week. 

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London Overground is experimenting with telling passengers which bits of the next train is busiest

There must be a better way than this: Tokyo during a 1972 rail strike. Image: Getty.

One of the most fun things to do, for those who enjoy claustrophobia and other people’s body odour, is to attempt to use a mass transit system at rush hour.

Travelling on the Central line at 6pm, for example, gives you all sorts of exciting opportunities to share a single square inch of floor space with a fellow passenger, all the while becoming intimately familiar with any personal hygiene problems they may happen to have. On some, particularly lovely days you might find you don’t even get to do this for ages, but first have to spend some exciting time enjoying it as a spectator sport, before actually being able to pack yourself into one unoccupied cranny of a train.

But fear not! Transport for London has come up with a plan: telling passengers which bits of the train have the most space on them.

Here’s the science part. Many trains include automatic train weighing systems, which do exactly what the name suggests: monitoring the downward force on any individual wheel axis in real time. The data thus gathered is used mostly to optimise the braking.

But it also serves as a good proxy for how crowded a particular carriage is. All TfL are doing here is translating that into real time information visible to passengers. It’s using the standard, traffic light colour system: green means go, yellow means “hmm, maybe not”, red means “oh dear god, no, no, no”. 

All this will, hopefully, encourage some to move down the platform to where the train is less crowded, spreading the load and reducing the number of passengers who find themselves becoming overly familiar with a total stranger’s armpit.

The system is not unique, even in London: trains on the Thameslink route, a heavy-rail line which runs north/south across town (past CityMetric towers!) has a similar system visible to passengers on board. And so far it’s only a trial, at a single station, Shoreditch High Street.

But you can, if you’re so minded, watch the information update every few seconds or so here.

Can’t see why you would, but I can’t see why I would either, and that hasn’t stopped me spending much of the day watching it, so, knock yourselves out.

Jonn Elledge is the editor of CityMetric. He is on Twitter as @jonnelledge and also has a Facebook page now for some reason. 

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