New Build Flats Under £400,000 in London
✅ 67,971 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.
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
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
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
Oaklands Park
by Shanly Homes 1-, 2- and 3-bedroom apartments with open-plan kitchen/living/dining, fitted wardrobes, en-suite, private terraces or gardens, parking and electric vehicle charging…
Wandsworth Road
by Not yet determined Wandsworth Road 3 1 bedroom apartments on ground, first and second floors; Victorian facade retained; interiors redesigned, ample natural light, practical layouts; shared freehold…
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
The Lock at Greenford Quay
by Telford Homes Greenford1 and 2 bedroom apartments for sale, 56 to 79 sq m, with oak effect floors, underfloor heating, Bosch kitchens, grey units, modern bathrooms, fitted wardrobes
Eldon Court
by Mantle Developments Norwood Junction1 and 2 bedroom modern flats with balconies or private outdoor space, custom German kitchens, Siemens appliances, underfloor heating, smart tech and secure entry
Square Roots Hendon
by Square Roots ColindaleStudio, 1, 2 and 3 bedroom apartments for sale, each with a private balcony or terrace, modern living spaces and access to parking, electric charging and cycle storage
Northwick Parkside
by SNG Northwick Park1, 2 and 3 bedroom apartments for sale, each with private balcony or terrace, community focused design, natural light and access to planned open spaces
Stories Wharf
by Hyde New Homes North GreenwichStudios, 1, 2, 3 bedroom apartments for sale, all with private balcony, terrace or patio, secure entry, bicycle storage, shared roof terraces and parking
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
Croydon
by London Square West Croydon1, 2 and 3 bedroom apartments with open plan layouts, modern kitchens and private balconies, plus access to concierge, roof terrace, cinema and coworking spaces
Ashcroft Place
by Shanly Homes Staines 1 and 2 bedroom flats with open-plan living, integrated appliances and induction hob, balcony or terrace, 2 bedroom ensuite, parking, insulation, zoned heating…
SO Resi Westgrove
by Metropolitan Thames Valley Hendon Central1-bedroom and 2-bedroom flats with private balconies, underfloor heating, Bosch kitchens, Silestone worktops, stylish bathrooms, Amtico flooring and bike storage
Lewis House
by McCarthy & Stone Gipsy HillBoutique 1 and 2 bedroom apartments for sale with modern fitted kitchens, fully equipped bathrooms, some extra large balconies, access to gardens, lounge and roof terrace
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
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.