One team, from design to handover.
We provide in-house building design and drafting and a specialist architectural design service, and we take care of every aspect of the build, from the paperwork right through to handover. If you already have plans from your own designer, we build to them with the same care.
Where every project begins.
Our in-house building design and drafting service turns your brief into clear, buildable plans, and our specialist architectural design service is there for projects that call for it. Because the people drawing the plans work alongside the people building them, buildability is considered from the first sketch.
We prepare the documentation and look after the paperwork, so you deal with one team from the first conversation to handover.
- DesignIn-house building design and drafting
- ArchitectureSpecialist architectural design service
- PaperworkDocumentation taken care of, through to handover

Custom homes, conceived around the way you live.
We build one-off residences on your site, designed and drafted in-house or built to plans from your own architect or designer. Every build is overseen by a skilled craftsman, checked at each stage and held to the Halcyon standard.
- ApproachCustom, one-off homes
- DeliveryDesign to handover, or build to plans
- OversightOverseen by a skilled craftsman, start to finish

Additional space that feels as though it was always there.
A well-resolved extension adds room without compromising the character of a home. From ground-floor living to second-storey additions, we take care of concept design, drafting, council approvals and engineering, then build it through to handover.
- AdditionsGround-floor and second-storey
- LivingGranny flats and additional living spaces
- OutdoorsAlfresco rooms, outdoor kitchens and open-air showers
From refined kitchens to complete transformations.
Some renovations call for a light touch. Others require taking a building back to where it began. We work with structural engineers who design the steel and supports that make significant transformations possible, then finish every room with the care of a new home.
In Aldgate, a kitchen where Hills meets Hamptons.
- InteriorsKitchens and bathrooms
- StructureEngineered structural renovations
- CharacterOlder homes brought to a modern standard

Every home begins with a conversation.
Tell us about your site and your plans. We will listen carefully, give you a considered view of what is possible, and take it from there.