House extensions in Shoreditch

Test the need for additional space

We begin with the activities the current house cannot accommodate comfortably. The brief may concern dining, working, accessible circulation or a better connection to outside space. We compare an addition with changes inside the existing footprint, looking at what each option would gain and what it would displace. This gives the owner a reasoned basis for the project rather than assuming that more floor area automatically produces a better home.

The site survey records existing levels, boundaries, openings and features that may constrain the proposal. Available ownership information is reviewed through the appropriate advisers, particularly where access or shared interests are uncertain. A small outdoor area is not treated as spare building land without checking its role and rights. The initial drawing makes those limits visible, allowing the design to respond to the actual site instead of relying on an attractive but unsupported extension outline.

Use the guidance for the property's council

Shoreditch addresses can relate to Hackney or Tower Hamlets, as the councils' own area records demonstrate. We establish the relevant authority before using local extension guidance. Hackney's replacement residential extensions and alterations SPD took effect in January 2026. Its guidance belongs to the Hackney planning context; it should not be copied across the borough boundary as if it were a rule for every property using the Shoreditch name.

The proposal is checked against the actual conservation and listing records where applicable. We identify external changes and their relationship to the host building, rather than assuming that an addition at the rear cannot affect character. The design record explains the site, retained features and options considered. A nearby completed extension may be useful background, but its permission and circumstances do not establish an entitlement to repeat its form on another property.

Sources: Hackney: South Shoreditch conservation area · Tower Hamlets: East Shoreditch neighbourhood area · Hackney: current residential extensions and alterations SPD

Shape the addition around the rooms it changes

The new space is drawn with the existing rooms and furniture, including the openings that connect them. We consider whether the addition would leave an internal room dependent on borrowed light or make circulation pass through a working kitchen. Roof shape, glazing and the position of doors are assessed together. The aim is to improve the whole arrangement rather than produce a new room whose benefits come at the expense of the older part of the home.

Sections explain floor levels, ceiling heights and the junction between the existing enclosure and the extension. Structural advice informs the opening and support arrangement before those dimensions are treated as fixed. Drainage and service routes are coordinated with the proposed construction. We also review how the enclosure can be maintained, including access to glazing and roof drainage. These matters belong in the developed design rather than being deferred until the visible shape has been approved.

Consider neighbouring spaces and the site method

The assessment records relevant adjoining windows, boundaries and outdoor areas, with appropriate specialist studies identified where necessary. We examine the effect of height and form in context, not just the extension's footprint. The design may need to compare a smaller projection, a different roof or a revised opening to meet the brief with less impact. Those comparisons are documented so the owner understands the reasons behind the preferred option.

Construction access is reviewed before the design relies on large components or substantial excavation. We establish how materials reach the site, how waste leaves and where work can be organised without obstructing essential routes. Protection of retained rooms and temporary service arrangements are included in the plan. If access constrains the method, the design is reviewed early. A technically possible enclosure is not a complete proposal until a suitable way to construct it has also been established.

Specify the transition from old house to new space

The work schedule includes changes triggered inside the existing home: making good around an opening, altered heating, new electrical positions and transitions between floor finishes. We define which adjoining surfaces are renewed and which remain. The owner should be able to see the extent of the refurbishment associated with the extension, rather than discover that the new room is specified in detail while the connecting rooms have been left undefined.

Completion checks cover the enclosure, doors, controls, service access and agreed finishes, supported by relevant records. We review the room with its intended furniture and use in mind, checking how it connects to the rest of the home. The handover information reflects approved changes and identifies any outstanding items. Where the investigation shows that an extension cannot reasonably meet the brief or constraints, that finding is reported clearly and alternative improvements can be considered.

Official sources

Hackney: South Shoreditch conservation area · Tower Hamlets: East Shoreditch neighbourhood area · Hackney: current residential extensions and alterations SPD

Sources checked on the dates recorded in the source register, most recently 5 November 2026. Maps, list entries and directions must be checked for the individual property and proposed work.