New Build Flats Under £400,000 in London
✅ 71,764 new build flats and apartments under £400,000 across London by 88 developers.✅ Built by leading UK housebuilders. 10-year warranty, private balconies, and modern resident amenities.
Southmere
by Peabody Abbey Wood1, 2, 3 bedroom apartments for sale with big windows, private decks, spacious rooms, modern fitted kitchens, contemporary bathrooms and energy saving design
The Moxon
by Verta Property Group High Barnet1-3-bed flats, some duplexes, with light-filled plans, handleless two-tone kitchens, stone worktops, Bosch appliances, brushed-brass fittings, fitted wardrobes and MVHR.
Eastman Village
by Barratt London Harrow & Wealdstone1, 2 and 3 bedroom flats, 51–112 sq m, with open plan living, floor to ceiling glazing, private balconies or terraces, high specification, energy efficient systems
Free personalised new build selection
Uniquely Cricklewood
by Unique Property Group Cricklewood1, 2 and 3 bedroom flats for sale with open plan kitchens, large windows, private balconies, shared patios, modern bathrooms, durable floors and energy saving design
Granville Gardens
by One Housing Group Golders Green1 to 4 bedroom homes for sale with modern architecture, large windows, airy rooms, quality finishes, durable appliances, private balconies or gardens and shared green spaces
ICON at Burnt Oak
by Network Homes Burnt Oak1, 2 and 3 bedroom Shared Ownership apartments for first time buyers, offering contemporary comfort, green spaces nearby and easy access to local amenities
Home10
by Waltham Forest Leytonstone1, 2 and 3 bedroom apartments for sale, from around 49 to 102 square metres, modern layouts ideal for comfortable living and flexible home working spaces
Forest Road
by Pocket Living Walthamstow Central90 new 1-bedroom Pocket homes for first time buyers, some wheelchair friendly, some with private terraces, plus communal courtyard garden and rooftop terrace.
Lion Crescent
by PA Housing Castle Bar Park1-bedroom and 2-bedroom flats for sale with generous floor areas and practical layouts, offering modern living spaces suited to couples, singles and small families
Brighton Road Surbiton
by Rocco Homes Surbiton1-bedroom, 2-bedroom, 3-bedroom and 5-bedroom apartments for sale, with modern mews style design and a mix of private and shared residential facilities
Athena Apartments
by Tremula Property Northwood Hills1, 2 and 3-bedroom flats with open-plan living, large windows, sand oak floors, handleless kitchens with stone worktops and Bosch appliances, private balconies.
The Focus Collection at Eastman Village
by Hyde New Homes Harrow & Wealdstone1 and 2 bedroom shared ownership flats with modern layouts, large windows, quality fitted kitchens with integrated appliances and some private outdoor space
Nexus phase 3
by Newlon Living Ponders EndNew 1 and 2 bedroom shared ownership flats with private outdoor space, Amtico flooring, wool mix carpets, ceramic tiled bathrooms and integrated appliance kitchens
Highcross
by Latimer West Croydon1, 2 and 3 bedroom apartments for sale, with stylish kitchens, integrated appliances, smart bathrooms, matt black fixtures and underfloor heating throughout
Artscene
by Luxgrove Homes East Acton 1, 2 and 3 bedroom apartments with modern design, bright layouts, wood floors, custom joinery, built in appliances, and practical high quality kitchens and bathrooms…
The Eight Gardens
by Berkeley Group WatfordStudios, 1, 2, 3 bedroom apartments for sale, offering modern layouts with access to landscaped gardens, gym, concierge, business lounge and screening room
Lightfield
by Shanly Homes High Barnet1 and 2 bedroom flats for sale with contemporary kitchens, integrated appliances, open plan living, allocated parking, near parks, shops, gyms and schools
Deptford Edge
by Peabody Deptford1-bedroom and 2-bedroom flats for sale with contemporary finishes, sustainable materials, large double glazed windows, balconies or terraces and landscaped communal gardens
The Brick Works
by SixtyBricks Blackhorse Road 1 and 2 bedroom ready to move into flats with balconies, modern practical layouts, shared garden, play area, bike storage, parking and concierge services…
Odyssey Square
by PA Housing Purley Oaks1, 2 and 3 bedroom flats for sale with spacious layouts, large windows, open plan living, fully fitted kitchens, modern bathrooms, balconies or terraces
New Build Flats and Apartments Under £400,000 in London
The £400,000 budget represents the most active market segment for London flat buyers. In this price category, purchasers can select from modern 1-bedroom and 2-bedroom apartments in well-connected Zone 3 to Zone 5 neighbourhoods, such as Greenwich, Colindale, Walthamstow, Southall, Woolwich, and Wembley.
Properties in this price range qualify for the UK Lifetime ISA (LISA) property price limit of £450,000, allowing purchasers to use their 25% government savings bonus towards their deposit. Newly built flats offer private balconies, landscaped communal podium gardens, secure cycle storage, and energy-efficient heating systems that reduce running costs.
FAQ: New Build Flats Under £400,000 in London
Yes. 2-bedroom new build flats under £400k are available in Outer London regeneration hubs including Barking Riverside, Thamesmead, Croydon, and Hayes, offering open-plan living areas and private outdoor space.
Yes. The UK government Lifetime ISA cap is £450,000. Purchasing a newly built flat under £400,000 allows eligible first-time buyers to apply their accumulated savings and 25% government bonus directly toward their deposit without penalty.
Annual service charges for newly built flats in this segment typically average between £2.50 and £4.00 per square foot, covering building insurance, lift maintenance, communal cleaning, and estate upkeep.
Gross rental yields in the sub-£400k segment range from 5.2% to 6.5%, supported by strong tenant demand from young professionals seeking energy-efficient homes near Elizabeth line and Overground stations.