News
London building news & updates
Short, sourced notes on planning and building rules that affect London homeowners, plus the latest official headlines. We do not publish prices, phone numbers or postal addresses here.
Official updates
Latest official updates
Written news
Recent stories
- Energy certificates for existing London homes up 8 per cent in summer quarter
Government figures for July to September 2026 show a rise in energy performance certificates for existing London homes, while certificates for new homes held steady.
- London homes rank among the most energy efficient in England, with Tower Hamlets top
New government statistics on energy performance certificates show London's existing homes have the best median rating of any region, and Tower Hamlets leads every council area.
- London leads surge in high-rise building safety applications ahead of new levy
New Building Safety Regulator figures show a jump in applications for tall residential buildings before the building safety levy began, with London handling most of the caseload.
- Four London boroughs share new government fund to bring derelict buildings back into use
Barking and Dagenham, Enfield, Hackney and Haringey are among 60 councils chosen for the new Derelict Buildings Fund announced alongside the Budget.
- Government plans wider protection for London leaseholders facing building safety bills
New proposals would extend building safety cost protections to more flat owners, including those in collectively owned buildings, and make product manufacturers pay towards repairs.
- Building Safety Regulator reviews Part K rules on stairs, guarding and glazing
The Building Safety Regulator has opened a 10-week call for evidence on Part K, the rules on stairs, handrails, guarding, windows and glazing that shape many London loft conversions.
Guides
Before you build
- Building costs and house prices in Havering
Havering prices rose 1.1% to £444,572 in August 2026. The £103,800 terrace-to-semi gap against extension costs, the 2011 extensions SPD, Green Belt, 11 conservation areas, flood risk and party walls, with sources.
- Building costs and house prices in Harrow
Harrow prices eased 2.5% to £532,173 in August 2026. The small £127,500 terrace-to-semi gap, the Residential Design Guide’s extension and loft rules, 30 conservation areas, basements and party walls, with sources.
- Building costs and house prices in Haringey
Haringey prices eased 1.4% to £633,221 in August 2026, while houses held up. The £435k terrace-to-semi gap, DM12 extension rules, South Tottenham’s three roof designs, conservation areas, basements and party walls, with sources.
- Building costs and house prices in Hammersmith and Fulham
Hammersmith and Fulham prices fell 5.1% to £754,825 in August 2026, with terraces near £1.17m. The flat-to-house gap, the council’s 3.5m rear extension rule, 44 conservation areas, basements and flood risk, with sources.
- Building costs and house prices in Hackney
Hackney prices fell 1.6% to £619,408 in August 2026, with terraces near £989,000. What the flat-to-house gap means, Hackney’s new 2026 extensions guide, 35 conservation areas and Article 4 rules, with sources.
- Building costs and house prices in Greenwich
Greenwich house prices fell 2.2% to £462,868 in August 2026. Moving vs extending, Urban Design Guide limits on rear extensions and dormers, 23 conservation areas and Article 4s.
- Building costs and house prices in Enfield
Enfield house prices rose 0.8% to £474,855 in August 2026 as London fell. Moving vs extending, DMD rear and side limits, Green Belt, 22 conservation areas and Article 4s.
- Building costs and house prices in Ealing
Ealing house prices rose 1.8% to £589,875 in August 2026 as London fell. Moving vs extending, Ealing’s 3.5m rear guide, 30 conservation areas, Article 4s and HMO rules.
- Building costs and house prices in Croydon
Croydon house prices by property type from the UK HPI, published extension and loft costs, and the conservation area, Article 4 and Local Plan points to check before you build.
- Building costs and house prices in City of London
City of London flat prices from the UK HPI, published refurbishment costs, and the lease, listed building, Barbican, Golden Lane and building safety rules to check before you change your flat.
- Building costs and house prices in Camden
Camden house prices by property type from the UK HPI, published extension, mansard and basement costs, and the flat, conservation area, Article 4 and basement rules to check before you build.
- Building costs and house prices in Bromley
Bromley house prices by property type from the UK HPI, published extension and loft costs, and the side space, Green Belt, conservation area and Article 4 rules to check before you build.