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Residential · Two-Storey Rear Extension

Two-Storey Rear Extension — South Woodford, London

A full-width rear extension across both ground and first floors of an Edwardian semi-detached home — designed to disappear from the street and quietly transform daily life at the back.

The existing Edwardian semi-detached house from the street, before works
The house as found — front elevation untouched by the proposal.

Location

South Woodford, London

Property

Edwardian semi-detached

Scope

Two-storey rear extension

Status

Designed & submitted

The brief

More house at the back. The same house at the front.

The owners wanted significantly more living space — a wider, lighter kitchen-diner downstairs and an extra bedroom above — without losing what they loved about the house in the first place.

The street-facing elevation was off-limits. So was the loft. The brief, in effect, was a quiet but ambitious one: extend down and up at the rear, match the existing brick and proportions exactly, and make the new work look as though it had always been there.

Starting point

A handsome Edwardian semi with classic proportions.

  • · Symmetrical street frontage with decorative gabled bays.
  • · Original brickwork, chimneys and timber sash detailing.
  • · Front elevation retained entirely — no street-facing change.
Existing front elevation drawing showing chimneys, gable and bay windows
Existing front elevation, 1:100.

Proposed rear

A new back, drawn in the same hand as the old.

  • · Full-width ground floor extension with a bay/oriel feature.
  • · First-floor extension aligned above, no overhang or step-out.
  • · Brick, fenestration and rooflines echo the existing house.
Proposed rear elevation drawing with new ground and first floor extension
Proposed rear elevation, 1:100.

Section

Cut through the proposal.

  • · Ground-floor rear extension 3.5 m deep, plus a 0.4 m bay/oriel window for daylight and view.
  • · First-floor extension above, aligned with the existing rear wall.
  • · External materials matched to the existing house — no contrasting feature box.
  • · Existing loft kept entirely out of scope.
Technical section drawing through the proposed rear extension

In summary

"The most respectful extension is the one a passer-by never notices — and the one the owners feel every single morning."

Thinking about a rear extension?

Whether single or two-storey, the right design starts with what your house is already telling you.

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