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Structural Calculations · Greenwich

Structural Engineering Calculations in Greenwich

Chartered structural engineer calculations for every residential intervention in Greenwich — steel beams, lintels, pad foundations, wall removals, loft floor joists, underpinning. Eurocode-compliant, Building Control-ready.

No hourly billing 1–2 weeks Covering all Greenwich postcodes

Steel beam structural detail for an extension — structural drawings in Greenwich

What is a structural calculations package in Greenwich?

For Greenwich homeowners in Georgian in Greenwich town centre; Victorian terraces in East Greenwich, a structural calculations package is the full measured-survey-to-submission drawing set Royal Borough of Greenwich needs in order to determine an application: existing and proposed plans, elevations and sections at 1:100 and 1:50, a location and site plan, and the supporting statements the case officer asks for.

Planning authority
Royal Borough of Greenwich
Postcode districts
SE3, SE7, SE9, SE10, SE18, SE28
Article 4
No borough-wide Article 4 direction on householder permitted development
Typical housing stock
Georgian in Greenwich town centre; Victorian terraces in East Greenwich
Conservation areas
20 in Greenwich
Timeline
1–2 weeks

Prepared and reviewed by the chartered technologist team at Architectural Drawings London — MCIAT chartered, £2m PI insured.Last reviewed 2026-08-03.

Quick facts · Structural Calculations in Greenwich

Fees
See our fees
Typical turnaround
1–2 weeks
Planning authority
Greenwich Council
Conservation areas
20 in Greenwich
Article 4 Direction
No
Postcodes covered
SE3 and others
Planning context

How does planning policy in Greenwich affect your structural calculations?

Chartered structural engineer calculations for every residential intervention in Greenwich — steel beams, lintels, pad foundations, wall removals, loft floor joists, underpinning. Eurocode-compliant, Building Control-ready.

Housing stock in Greenwich: Georgian in Greenwich town centre; Victorian terraces in East Greenwich, Charlton; inter-war semi-detached in Eltham; new-build along the riverside.

Character: World Heritage Site status in Greenwich town centre adds heritage weight; outer borough areas (Eltham, Thamesmead) generally permissive.

Population
287,000
Conservation areas
20
Planning authority
Greenwich Council
Postcodes
6 areas
What's included

Fully end-to-end in Greenwich.

Load-bearing wall removal

Steel beam (RSJ) and padstone design for opening up kitchens, knocking through reception rooms or creating open-plan layouts in your Greenwich property.

Loft conversion steelwork

Ridge beam, purlin, dormer framing and floor joist upgrade calculations — essential for every habitable loft in Greenwich.

Extension foundations

Pad, strip or trench-fill foundation design based on Greenwich ground conditions, tree proximity and drain locations.

Lintel design

New window and door openings — steel, concrete or timber lintel specification with bearing calculations.

Underpinning & basement

Sequential underpinning design, reinforced concrete slab and retaining wall calculations for Greenwich basements.

Chartered engineer sign-off

Every calculation set is signed by a chartered structural engineer (CEng MIStructE or MICE) — accepted by all Building Control bodies.

Structural calculations for a house extension — beam load and bending moment diagrams beside a steel section table — structural engineering calculations in Greenwich
Calculations by our in-house structural engineer — beam sizes and load paths settled before your builder prices the job.
30% below London architects

How much do structural calculations cost in Greenwich?

Essentials

Single planning or regs submission.

  • Measured survey
  • Drawings & submission
  • Unlimited revisions
Start Essentials →

Bespoke

Listed, conservation, complex sites.

  • Everything in Complete
  • Heritage Statement
  • Committee representation
Discuss Bespoke →
Georgian conservation area street in Greenwich SE10
MCIAT Chartered council-ready drawing review No hourly billing All 33 London boroughs

Estimate your drawing costs in Greenwich

Move the controls for an indicative figure. It anchors your budget — it is not a quote. Every project is priced after a free survey.

1 · Project type
2 · Approximate size
30
3 · Add compliance packages
Indicative design fee £1,585
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Build costs are separate and quoted by your contractor. See our published fees.

Which Greenwich postcodes does this structural calculation package service cover?

Every Greenwich postcode district we draw in, the stock that dominates it and the authority that validates a structural calculation package there. Greenwich fees below are the statutory England rates for 2026, not structural calculation package estimates.

PostcodeAreaDominant stockWhat it means for a structural calculation package
SE2Abbey WoodGeorgian in Greenwich town centre; Victorian terraces in East GreenwichAbbey Wood is split at SE2. Either Greenwich Council or Bexley Council can determine a structural calculation package here, so the SE2 address is checked against both policies maps first.
SE3Blackheath / KidbrookeGeorgian villas, Victorian terracesSE3 straddles a boundary: Blackheath / Kidbrooke addresses fall to Greenwich Council or Lewisham Council, so confirm which authority validates the structural calculation package before submitting SE3 drawings.
SE7CharltonVictorian villas, 1930s semi-detachedA structural calculation package at an SE7 address in Charlton is determined by Greenwich Council under its own Local Plan policies for Charlton.
SE9Eltham / Mottingham1930s semi-detached, post-war flatsSE9 straddles a boundary: Eltham / Mottingham addresses fall to Greenwich Council or Bromley Council, so confirm which authority validates the structural calculation package before submitting SE9 drawings.
SE10GreenwichGeorgian terraces, listed buildingsGreenwich sits wholly inside SE10, so Greenwich Council validates every structural calculation package submitted from an SE10 address.
SE18Woolwich / PlumsteadGeorgian fragments, post-war estates, new-buildSE18 covers Woolwich / Plumstead only; Greenwich Council handles the structural calculation package, and Woolwich / Plumstead case officers apply the SE18 conservation-area map.
SE28ThamesmeadPost-war estates, new-buildA structural calculation package at an SE28 address in Thamesmead is determined by Greenwich Council under its own Local Plan policies for Thamesmead.

What changes about a structural calculation package in each part of Greenwich?

Roof pitch, wall build-up and plot depth change every few Greenwich streets, and each one changes what a structural calculation package can achieve at that address.

What local planning policy applies to a structural calculation package in Greenwich?

How designation changes a Greenwich structural calculation package: Greenwich Council maintains 20 conservation areas, including Greenwich Town Centre (World Heritage Site), Blackheath, Charlton. Inside any of them a Greenwich structural calculation package 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. Greenwich Town Centre (World Heritage Site) sets the tone for Greenwich casework.

Article 4 and your Greenwich structural calculation package: Greenwich Council has made no borough-wide direction, so permitted development for a structural calculation package in Greenwich generally survives outside Greenwich conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a SE2 owner records that a structural calculation package was lawful.

Greenwich housing stock: Georgian in Greenwich town centre; Victorian terraces in East Greenwich, Charlton; inter-war semi-detached in Eltham; new-build along the riverside. World Heritage Site status in Greenwich town centre adds heritage weight; outer borough areas (Eltham, Thamesmead) generally permissive. Read that before choosing a structural calculation package route in Greenwich — construction, not postcode, sets what is achievable. Greenwich Council charges £548 for a householder application and has 8 weeks to determine it.

Which neighbouring authorities border Greenwich?

Sources for this Greenwich structural calculation package 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.

Greenwich FAQs

Structural Calculations in Greenwich — your questions answered.

Direct answers to the questions Greenwich homeowners ask every week about structural calculations.

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How much do structural calculations cost in Greenwich?

Structural fees in Greenwich scale with the intervention: a single beam for a wall removal is the smallest package, a full loft or extension set (ridge beam, purlins, foundations, lintels) is larger, and basements or multi-storey work are quoted individually. Every package includes chartered engineer sign-off. See our fees.

Do I need a structural engineer for a wall removal in Greenwich?

Yes — removing or altering any load-bearing wall in your Greenwich property requires structural calculations proving the replacement beam and supports can carry the loads. Building Control will not approve the work without chartered engineer-signed calculations. Even partition walls should be checked before removal.

How long do structural calculations take in Greenwich?

We deliver structural calculations within 1–2 weeks of receiving the architectural drawings and site measurements. For urgent projects in Greenwich, we offer a fast-track service (3–5 working days) at a small premium.

What's the difference between a structural survey and structural calculations in Greenwich?

A structural survey is a condition assessment of the existing building — identifying defects, movement, subsidence. Structural calculations are engineering designs for new work — beams, foundations, loft steelwork. For most Greenwich extension and loft projects, you need calculations (not a survey). We provide calculations; we can recommend surveyors if a condition survey is needed.

Can I get structural calculations without architectural drawings in Greenwich?

Yes — we offer standalone structural calculations for Greenwich projects where you already have architectural drawings from another practice. If you need both drawings and structural, our Complete package bundles them at a lower combined price.

Structural Engineering Calculations in Greenwich — a London terraced street of the type we survey
A london terraced street of the type we survey — structural engineering calculations in Greenwich.
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