House extension drawings in Waltham Forest

Two-storey extensions in Waltham Forest

For two-storey rear extensions the first floor is held back to 2 m terraced/semi; 3 m detached from the original rear wall, and may not cross the 45-degree line in plan. Two-storey side extensions are set back, with the ridge dropped and the gap to the boundary kept where the street has one: 0.5 m set-back; 0.5 m ridge set-down; 1 m to boundary. They get no separate front door and no extra staircase, which keeps the extension part of one home.

That affects layout as well as massing. If you want a self-contained annexe over a side extension, we say so at the start, because the SPD's wording on front doors and staircases applies to the plans.

Green Belt, heritage and trees

Waltham Forest has 22 per cent of its area in the Green Belt, where extensions face tighter limits. It has 15 conservation areas and 15 Article 4 directions covering 807 mapped areas. Historic England lists 118 entries here.

The council also publishes 231 tree preservation orders. We check each of these constraints on the address before we advise on a route.

Prior approval is a risky route in Waltham Forest

A single-storey rear extension can be permitted development within these limits: 3 m (attached) / 4 m (detached) beyond the original rear wall, single storey. The larger home extension route reaches further, to 6 m (attached) / 8 m (detached), single storey, height max 4 m; not on article 2(3) land or an SSSI, but the council decides it after neighbours are consulted.

In its latest published year Waltham Forest granted 31 and refused 87 larger home extension applications. With refusals far outnumbering approvals, many owners do better with a full householder application, drawn as in our planning drawings in Waltham Forest. A Lawful Development Certificate in Waltham Forest is the right step when the permitted development limits are met.

How Waltham Forest decides householder applications

The council decided 771 householder applications in its latest published year. It granted 81.5 per cent and decided 90.7 per cent within eight weeks or an agreed extension. Domestic gardens make up about 24.4 per cent of the borough's land in the national land-use data, so back gardens are a main part of the question. The figures describe every householder project and not your own.

What the drawings include and what they cost

Your set has existing and proposed plans, all elevations, sections with the boundary heights dimensioned and the location and block plans, with the 45-degree lines shown on the plan and elevation sheets. Prices start at £695 with VAT included, fixed up front. A second chartered technologist checks each sheet, and we redraw free if the council asks for changes before a decision.

Afterwards our building regulations drawings in Waltham Forest carry the structure and insulation, and extensions can usually claim a levy exemption: Residential extensions and annexes can claim exemption (claim before commencement).

Other extension types and nearby councils

For one shape in particular, see rear extension drawings in Waltham Forest, side return extension drawings or wraparound extension drawings. The borough overview is architectural drawings in Waltham Forest. Neighbouring councils include Redbridge and Enfield.