New Build Flats Under £300,000 in London
✅ 6,582 affordable new build flats and apartments under £300,000 across London by 25 developers.✅ Built by leading UK housebuilders. 10-year warranty, private balconies, and energy-efficient EPC B+ ratings.
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
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
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
Free personalised new build selection
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
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
Beck House
by McCarthy & Stone Isleworth1 and 2 bedroom retirement apartments for sale with slip resistant flooring, waist height plug sockets, lifts, camera entry, emergency call system and gardens
Hayes Park
by Shall Do Hayes Development HillingdonStudios, 1, 2 and 3 bedroom apartments for sale, blending preserved Grade II listed architecture, minimalist lines, water features and modern onsite amenities
Barking Riverside
by L&Q Becontree1-3-bed and 2-3-bed duplexes offer bright open-plan living with a fully-fitted kitchen; upper flats have balconies/terraces, ground-floor units private outside space.
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…
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
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
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
The Point at Eastbrooke Village
by Bellway Upney 1, 2 bedroom apartments and 3 bedroom townhouses for sale, with modern layouts, high quality finishes, energy efficient design and excellent natural light…
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
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
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
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
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
Dolphin Bridge House
by Titan Property UxbridgeStudios, 1-bedroom and 2-bedroom flats for sale with modern design, open plan layouts, floor to ceiling windows, private outdoor space and integrated appliances
Medford House
by McCarthy & Stone Purley1 and 2 bedroom retirement apartments for sale, some with balconies and garden views, with lifts, secure entry, club lounge and full property maintenance included
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.