The whole spectrum — rear extensions, side returns, wraparounds, double-storey, basement digs. Planning-led design with detailed technical phase, ideal for victorian terraces across West Ham, Forest Gate, Plaistow typical of Newham.
A house extension drawings package in Newham is the complete set the London Borough of Newham needs before it can determine an application: existing and proposed plans, elevations and sections drawn at 1:100 and 1:50, the location and site plans, and whichever supporting statements the case officer asks for. On the Victorian terraces around West Ham that make up so much of the local stock — 27.9% of Newham's 132,600 homes were built before 1900 (VOA CTSOP4.1, 31 March 2025) — it begins with a measured survey, because the drawings have to describe a house that is rarely square.
Prepared and reviewed by the chartered technologist team at Architectural Drawings London — MCIAT chartered, £2m PI insured.Last reviewed 2026-08-03.


The whole spectrum — rear extensions, side returns, wraparounds, double-storey, basement digs. Planning-led design with detailed technical phase, ideal for victorian terraces across West Ham, Forest Gate, Plaistow typical of Newham.
Housing stock in Newham: Victorian terraces across West Ham, Forest Gate, Plaistow; Olympic-era new-build in Stratford; post-war in Canning Town; substantial ongoing regeneration.
Character: High-regeneration borough; Olympic Park and Royal Docks drive major development; heavily HMO-managed borough.
Article 4: Article 4 Direction requires planning permission for any HMO conversion, plus restrictions on office-to-residential in Stratford and Royal Docks.
An existing measured survey and photographic record, plus the Article 4 and conservation check for that particular Newham street, all done before you are given a price.
Two or three concepts to compare before anything gets fixed: the layout differs between them, and so do the glazing and the roof.
Location plan, existing plans, proposed plans, elevations, sections, and — where the scheme is one that requires it — a design and access statement too.
Steel beam, foundation, lintel design. Chartered engineer sign-off.
Notices under the Party Wall Act wherever the work reaches a boundary, and a Thames Water build-over agreement any time the new footings track within 3m of a public sewer line.

Single planning or regs submission.
Planning + building regs + structural.
Listed, conservation, complex sites.
Move the controls for an indicative figure. It anchors your budget — it is not a quote. Every project is priced after a free survey.
Build costs are separate and quoted by your contractor. See our published fees.
Newham district by district: where we draw, the housing that predominates, and who validates an extension application there. Charges listed are 2026 statutory England fees rather than ours.
| Postcode | Area | Dominant stock | What it means for a house extension |
|---|---|---|---|
| E6 | East Ham / Beckton | Victorian terraces | East Ham and Beckton occupy E6 on their own, which means Newham decides any extension application coming from an E6 address. |
| E7 | Forest Gate | Victorian terraces | Forest Gate sits wholly inside E7, so every extension application from an E7 address is validated by Newham Council. |
| E12 | Manor Park | Victorian terraces | Manor Park divides at E12 between Newham and Redbridge, so an address there is checked against both policies maps before drawings are prepared. |
| E13 | Plaistow | Victorian terraces, post-war flats | E13 covers Plaistow only; Newham Council handles the house extension, and Plaistow case officers apply the E13 conservation-area map. |
| E15 | Stratford / West Ham | New-build, post-war estates | Stratford and West Ham fill E15, so Newham handles the application and its officers apply the E15 conservation area map to it. |
| E16 | Canning Town / Royal Docks | Post-war estates, new-build | E16 is Canning Town and the Royal Docks alone, which puts the extension with Newham and under the E16 conservation mapping. |
| E20 | Olympic Park / East Village | Victorian terraces across West Ham | The Olympic Park and East Village lie entirely in E20, so Newham Council validates every extension submitted from that district. |
Pitch, wall construction and rear plot depth are not constant along a Newham street, and each of them limits what an extension can achieve at a particular house.
How designation changes a Newham house extension: Newham Council maintains 10 conservation areas, including Manor Park, Forest Gate, Plaistow. Inside any of them a Newham house extension cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Plaistow sets the tone for Newham casework.
Article 4 and your Newham house extension: Article 4 Direction requires planning permission for any HMO conversion, plus restrictions on office-to-residential in Stratford and Royal Docks. At a E6 address that matters twice over, because Newham Council applies the direction unevenly across Newham — we read the Newham policies map for the exact E6 address before quoting house extensions.
The building fabric around Newham: Victorian terraces across West Ham, Forest Gate, Plaistow; Olympic-era new-build in Stratford; post-war in Canning Town; substantial ongoing regeneration. High-regeneration borough; Olympic Park and Royal Docks drive major development; heavily HMO-managed borough. A house extension in Newham is scoped against that stock first, because it decides whether the scheme runs as permitted development, a £274 Lawful Development Certificate, or a full £548 application to Newham Council.
Sources for this Newham house extension page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.
Newham householders won 87 of the 254 appeals decided against the council, lost 160, and saw 7 come back split — an allowed rate of 34.3%, under London's 39.0%. That is not an approval rate and should not be read as one. An appeal comes only from the refused minority willing to carry on, so these 254 cases are the company a Newham refusal ends up in, and they sit alongside a far larger number of extensions the council simply granted.
More than 75 days passed before half of these appeals were decided, measured from the day each one was lodged — time stacked on top of whatever the council itself has already spent, and the reason it pays to submit something that never needs appealing. 99.6% were settled on the papers alone, which left the drawings and the statement of case carrying everything.
Figures based on 254 householder appeal decisions in Newham, from Planning Inspectorate casework statistics, reused under OGL v3.0.
The extension questions Newham homeowners raise with us most weeks, answered without the padding.
Start a free quote →Most standard extensions do fall under permitted development: single-storey rear to 3m attached or 4m detached, plus a side addition no more than half as wide as the house it joins. Newham operates Article 4 Directions that switch those rights off in named streets, though, and flats, listed buildings and conservation areas always need full permission. We check eligibility at the address itself before quoting.
Permitted development gives you 3m off the back of a house that is attached, 4m if it stands detached, with Prior Approval under Class AA stretching that to 6m or 8m. Newham determined 311 larger householder prior approvals and refused 70 of them: 22.5%, a little under the 24.9% refused across the 33 boroughs (MHCLG PS1/PS2, retrieved 1 September 2026). None of it reaches flats, listed buildings, or the streets covered by an Article 4 Direction.
Two cost lines run in parallel on a Newham extension. Ours is one fixed quote covering the planning drawings, the building regulations package and the structural calculations. The builder's moves with access, ground conditions and specification, and is priced by the square metre. A side return usually comes in below a double-storey rear on that per-m² basis. Our fees are set out in full.
There is no Newham-specific basement policy, so basement conversions are assessed against the national framework, with structure, drainage and flood zone doing the deciding. Flood zone is the live issue in this borough: 39.4% of its land sits in Flood Zone 3 and 48.6% in Zone 2 (Environment Agency, retrieved 1 September 2026), and inside either one a Flood Risk Assessment is part of the submission rather than an optional extra. Thames Water build-over rules apply within 3m of a sewer.
On most of the Victorian terraces here, and Manor Park is full of them, the answer is both. A side return takes in the dead passage alongside the house and widens the kitchen; a rear extension takes ground off the garden instead; a wraparound does both together. We recommend one over the others at the free site visit, once the party walls and the light can be seen.
Newham's victorian terraces across West Ham, Forest Gate, Plaistow terraced and semi-detached stock typically suits rear single-storey extensions (kitchen-diners), side-return infill extensions, or double-storey rear. Wraparound extensions combine both directions for maximum gain. We recommend the most viable option at the free site visit.
We cover all Newham postcodes — E6, E7, E12, E13, E15, E16 — with local surveyors. Survey appointments within 3 working days.
Newham applies the London Plan alongside its own Local Development Framework. Extensions must match or complement the existing materials, protect neighbour amenity, and meet Part L. The borough also enforces actively — 209 enforcement notices and 292 planning contravention notices over the same three years (MHCLG PS1/PS2, retrieved 1 September 2026) — so unauthorised work here is likelier than in most places to be noticed. Where the planning history is messy we include a pre-application advice summary.

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