New Build Flats Under £300,000 in London
✅ 10,814 affordable new build flats and apartments under £300,000 across London by 24 developers.✅ Built by leading UK housebuilders. 10-year warranty, private balconies, and energy-efficient EPC B+ ratings.
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
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
Sheepcote Road
by Pocket Living Harrow-on-the-Hill1 bedroom new build flats for first time buyers with compact 39 sq m layouts, modern design, wheelchair accessible options, balconies, gardens and coworking spaces
Free personalised new build selection
Augustus House
by McCarthy & Stone1 and 2 bedroom step free apartments with lift, balconies or terraces, underfloor heating, integrated kitchens, modern bathrooms and generous circulation space
Fielders Quarter
by Bellway Barking1 bedroom apartments for sale with rational layouts, floor to ceiling windows, balconies or terraces, modern kitchens, tiled bathrooms and carpeted bedrooms
Rockcliffe Square
by L&Q PlumsteadStudio and 1-bedroom apartments for sale with private balconies, quartz kitchens, Bosch appliances, fitted wardrobes, underfloor heating and landscaped gardens
Rosebank Way (The Mirador)
by Carty Forde Construction North Acton1, 2 and 3 bedroom flats and houses with contemporary architecture, quality finishes, smart layout, generous space and strong community focused living
Goodmayes
by Hadley Property Group Goodmayes1, 2 and 3 bedroom apartments for sale in a sustainable mixed use scheme with green roofs, shared mobility hub, gym access and landscaped public spaces
Whitelocke House
by Harbright Hounslow Central1-bedroom and studio flats for sale with high ceilings, oak floors, minimalist custom kitchens, underfloor heating, quartz worktops and modern integrated appliances
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
Mill Road
by Telford Homes Ilford1, 2 and 3 bedroom apartments for sale, with open plan living and dining areas, practical kitchens, good storage, balconies and shared outdoor spaces
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
Buckingham House
by Jaspar Group Stanmore 1-bedroom and 2-bedroom apartments in a boutique, design-led scheme with open-plan layouts, natural light, practical kitchens, built-in storage and private outdoor space…
Fulham Quarter
by Hammersmith & Fulham Council Fulham Broadway1, 2 and 3 bedroom new build apartments with energy efficient design, modern kitchens and bathrooms, bright interiors, balconies, gardens and communal areas
Carriages, Purley
by Pegasus Life Purley Oaks1 and 2 bedroom apartments for over 60s with communal lounge, roof terrace, guest suite, exposed brickwork, bronze accents and modern, comfortable interiors
Edge
by Countryside Homes HainaultModern 1, 2 and 3 bedroom apartments for sale, contemporary and sustainably designed, sleek interiors close to shops, parks, schools and transport links
Eden Grove
by Berkeley Group Staines1 to 3 bedroom apartments with balconies or terraces, modern design, luxurious interiors, private club with concierge, cinema, workspaces and fitness facilities
South Oxhey Central
by Countryside Homes Carpenders Park1-bedroom apartments for sale with private balcony or terrace, bright open layouts, modern German kitchens, integrated appliances and contemporary bathrooms
Eastbrooke Village
by Bellway Upney1 to 5 bedroom homes for sale with classic exteriors and modern interiors, green views, parks and gardens, playgrounds and local cafes, gyms and schools nearby
Urban Picturehouse
by Montreaux homes Sidcup Studio, 1, 2 and 3 bedroom flats for sale with open plan layouts, large windows, private balconies, quality finishes, landscaped gardens and modern amenities…
New Build Flats and Apartments Under £300,000 in London
Securing a new build flat in London with a starting price under £300,000 offers first-time buyers and investors a reliable entry point into the capital's property market. In 2026, properties in this price band are primarily available across Outer London boroughs and regeneration zones—including Barking & Dagenham, Croydon, Bexley, Romford, Hayes, and Southall—with direct rail and tube links into Central London terminals.
Apartments in this price bracket comprise modern studio suites and well-proportioned 1-bedroom layouts. Every apartment comes with a 10-year structural warranty (NHBC, Premier Guarantee, or Checkmate), peppercorn ground rent under the Leasehold Reform Act 2022, integrated kitchen appliances, and high-performance acoustic and thermal insulation delivering EPC ratings of B or above.
FAQ: New Build Flats Under £300,000 in London
Under £300k, buyers can secure full-ownership studio suites and 1-bedroom apartments in Outer London regeneration areas (Zones 4 to 6), as well as multi-bedroom apartments through Shared Ownership equity shares starting from 25%.
A standard 5% deposit requires £15,000, while a 10% deposit requires £30,000. Many housebuilders in this price tier offer deposit match schemes, 5% builder contributions, or participate in the Own New Rate Reducer scheme to reduce monthly mortgage rates.
No. Under the Leasehold Reform (Ground Rent) Act 2022, ground rent on newly built residential leases in England is legally restricted to a peppercorn (zero financial charge) for the lifetime of the lease.
Yes. First-time buyers in England pay 0% Stamp Duty Land Tax (SDLT) on residential property purchases up to £425,000, making all apartments in the sub-£300k category completely exempt from SDLT for eligible purchasers.