Kjellander Sjöberg has been appointed by regeneration specialist LandsecU+I and profit-with-purpose developer TOWN to design the masterplan for a new 120-acre development under a public private partnership with Cambridge City Council & Anglian Water. Hartree is a new kind of sustainable, inclusive and affordable community neighbourhood on the edge of – but firmly rooted in – Cambridge.

Kjellander Sjöberg is leading a team of award-winning UK architects including Bell Phillips Architects, Haworth Tompkins, 5th Studio, Feilden Fowles, Alison Brooks Architects and Nooma Studio.

A new urban quarter with three promises

Championing the key principles of people, city and planet, the vision for Hartree is to create a place that has positive social, economic and environmental impact built around a pioneering 5-minute neighbourhood which will give local people everything they need to thrive, within just a five-minute walk or cycle away. Focusing on the human experience, it will be a walkable, inclusive low-carbon new neighbourhood that will play a part in shaping the city’s future.

Site map, LOLA

The site - Living with nature

A ten-minute walk from Cambridge North station, Hartree is located within a predominantly employment-based area of the city, neighboured by the world-renowned Cambridge Science Park, St John’s Innovation Park and Cambridge Business Park.

Site photos, along the first drain – LOLA

Hartree is a real opportunity to engage with Cambridge; to envision an amazing place that is inclusive, sustainable, and anchored into its unique heritage and local character with connections to the adjacent Fen landscape.

Three neighbourhoods
The green network
The Playline
Edges and connections
Strategic routes
The Main Street

Five minute neighbourhood

The emerging spatial framework sets out the big moves within the masterplan that underpin the delivery of the promises and values. Three neighbourhoods with an active centre are connected by active green streets in a network that supports both existing biodiversity networks and the legacy landscapes left after the wastewater treatment plant’s relocation. Central themes of play and accessibility are explored through structures like the play line and the main street which set up key routes and destinations located at the heart of Hartree.

Emerging Masterplan - Kjellander Sjöberg

It’s a once-in-a-lifetime chance to shape an inspiring example of future neighbourhoods based on the principles of the five-minute city – where everything is near, and walking and biking are the priority.

Pedestrian and cycle priority in central Cambridge
Articulated street corners
Visually generous front garden setbacks
Expression of finer grain street level activity
Street-based urbanism
Layering of uses
Hartree aims to deliver many types of homes at a range of price points and spatial arrangements. Different typologies being explored include: intergenerational, co-housing, co-ownership, social and PRs. The scheme aims to deliver 40% affordable homes.

More than homes - Shared spaces

The proposals will include over 5000 homes, with schools, shops, community spaces, and workplaces, including space for Cambridge’s growing life sciences sector, all connected by high quality public realm and extensive green space. The new piece of Cambridge will be a distinctive local place to live, work, play and learn, where people know their neighbours, shop locally and put down roots.

A large central park landscape that makes use of existing infrastructure assets on site maximise onsite water attenuation and contribute to biodiversity net gain.
Mobility Building with shared amenities and services along the Green Loop.
The main street is defined by the variation in residential, commercial and community uses along it. It has lengths that are planned as car free, while others car-less.
The Playline is programmed specifically with variety of different play, performance and sports places. We are collaborating with Tim Gill on developing the play strategy for Hartree.

Value of sustainability

The project is named via public vote, after one of Cambridge’s true pioneers-the first female mayor of Cambridge, Eva Hartree who held public office for over 40 years. Further inline with one of the key values of the project – ‘shaped by many’- the project team including the client group have been engaging widely with the people and organisations in and around Cambridge. This includes a focused sounding board local group of 18 board members who have been selected to provide a complete demographic representation of the wider local community.  This group meets regularly to engage with ongoing design development.

Shaped by many

The wider team of collaborators within the team includes sustainability strategists Useful Projects, E.C.F communication & engagement, Pell Frischmann engineering, Urban Movement transport & mobility and Live Work- service designers tasked with unpacking the challenges analogous to building robust and adaptable communities.

Low car neighbourhoods - Hartree comprises three well-connected neighbourhoods and will prioritise pedestrian-friendly streets, cycling infrastructure and accessible transport options, offering residents lots of ways to move around - Town.