New Build Flats Under £400,000 in London
✅ 68,671 new build flats and apartments under £400,000 across London by 89 developers.✅ Built by leading UK housebuilders. 10-year warranty, private balconies, and modern resident amenities.
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.
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
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
Lea Bridge
by London Square Lea Bridge1, 2, 3 and 4 bedroom new build homes for sale, in a mixed tenure development with community, cultural and commercial spaces integrated into the scheme
Cassia
by Newlon Living Oakwood1 and 2 bedroom Shared Ownership apartments for sale with private outdoor space, wood laminate flooring, wool mix carpets, tiled bathrooms and fitted kitchens
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
Stroudley Walk
by Poplar Harca Bow RoadStudio, 1, 2, 3 and 4 bedroom apartments for sale, mixed use new build with landscaped terrace, green communal areas, retail and a community hub
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.
Dagenham Green
by Berkeley Group Dagenham Heathway1, 2, 3 bedroom shared ownership flats with generous floor space, private balconies or terraces, modern specification, ample natural light and green open spaces
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
980 Great West Road
by Hadley Property Group Brentford1, 2 and 3 bedroom apartments for sale, in a mixed use scheme with modern homes above commercial and community spaces, blending historic character with new design
W Broadway
by Luxgrove Homes1, 2 and 3 bedroom modern flats for sale with efficient layouts, wood floors, bespoke joinery, built in kitchen appliances and fully tiled practical bathrooms
100 Woodgate Drive
by Latimer StreathamCompact 1-bed and 2-bed layouts offer private balconies and efficient room arrangements with practical storage.
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
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 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…
Riverside West
by BexleyCo Homes Erith1 and 2 bedroom riverside flats with open layouts, floor to ceiling windows, balconies or terraces, modern kitchens, stylish bathrooms and underfloor heating
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.