London mayoral election: At-a-glance policy guide

Find out more about what the London mayoral candidates are promising in May's election.

• Double home-building to 50,000 a year by 2020

• Protect the green belt from development

• Deliver funds Transport for London has said it needs to upgrade Tube and reduce overcrowding

• No increase in the mayor-controlled element of council tax

• Vote for the UK to leave the EU

• Ensure half of all new homes in London are affordable

• Give Londoners "first dibs" on buying new homes

• Freeze all Transport for London fares at 2016 prices for four years

• Recruit more police from black and minority ethnic communities and drive down unnecessary use of stop and search

• Campaign for the UK to stay in the EU

• Reduce the number of travel zones and introduce flat fares by 2025

• Set up an independent London renters' union to help protect private tenants

• Raise the congestion charge by 60% to help pay for plans to reduce fares on public transport

• Close City Airport and use the land for homes and businesses

• Campaign for the UK to stay in the EU

• Introduce half-price fares for journeys that start by 07:30

• Cancel plans for a Garden Bridge across the Thames between Temple and South Bank

• Ban all HGVs and construction vehicles from central London in peak hours

• Introduce a workplace parking levy in central London and Canary Wharf to tackle congestion

• Campaign for the UK to stay in the EU

• Offer social housing and the chance to buy houses on GLA land only to those who have lived in the borough for five years

• Reduce translation services in order to encourage integration

• Campaign to introduce an Australian-style points migration system to relieve pressure on London's housing market

• Support use of stop and search to tackle youth crime

• Campaign for the UK to leave the EU

All five of these candidates are opposed to a third runway at Heathrow.

Find out more about all the candidates in the London elections.