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Tower Hamlets, London

M&E drawings in Tower Hamlets

Tower Hamlets is a borough of flats and close-packed terraces, so a services drawing here has to deal with heat, noise and shared walls before it deals with anything else. We prepare M&E drawings for Tower Hamlets flats, conversions and terraced houses, covering ventilation, circuits, alarms and routes on one set. Fixed quote after a free constraints check.

Fixed quote after a free constraints check

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    Architectural model of a four-storey London stucco townhouse in its terrace, with a portico, area railings, sash windows, a cornice and chimney stacks
    The house as it stands: four storeys over a lower ground floor.Existing Proposed worksAn illustrative model, built for this page.

    How we work on m&e drawings

    Four steps from first call to approval.

    The same model cut through the middle: every floor, the stair, the chimney breasts, the new mansard, rear extension and basement in section
    Section through the model: every floor on one datum.

    1. Enquiry and constraints check

      We check the property against conservation areas, listed status, Article 4 directions, tree preservation orders, flood zone and planning history. We choose the right route and send a fixed quote.

    2. Measured survey

      We survey the house on one datum: rooms, levels, boundaries, drains, trees and the neighbours' windows that the 45° and 25° tests depend on.

    3. Building regulations

      Technical drawings are coordinated with the structural engineer's calculations, the drainage and the planning conditions.

    4. Approval and hand-over

      Building control approval, then a next-steps pack covering the commencement notice, party wall timing and CIL.

    Free redraws until approval. Every drawing set is checked independently, and the checker is never the person who drew it.

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    Brick house being extended, with a wide new opening supported over the ground floor

    Local Plan policies that shape services drawings in Tower Hamlets

    The Tower Hamlets Local Plan sets out four rules that a services designer has to read before drawing. On water, the sustainable-resources policy asks for 105 l/person/day in new homes, with refurbishment held to BREEAM water credits. The M&E sheet is where the fittings that make up that number are marked.

    Overheating is the one that surprises owners. The overheating policy expects new development to avoid overheating and to minimise air conditioning, and for larger schemes it asks for this evidence: Majors: 2030s mid-range climate analysis. The London Plan cooling hierarchy sits behind it. For a house the principle still helps: shade the glass, ventilate at night, and keep mechanical cooling as the last resort.

    Drainage has two layers. The drainage policy expects a drainage strategy for major schemes, and for other development it sets a target of Greenfield (CDA); 50% attenuation minimum elsewhere. The council's householder checklist adds a separate item: a flood risk assessment is wanted for FZ2/3 basement or ground-floor extensions. Flats and houses near the river or the canals should check that item before they commit to a lower-ground room.

    Read together, the four rules point to one habit: decide the services strategy early, and write it down. A set that records fan duties, water fittings and drain outfalls on the first issue lets a planning consultant, a flood consultant and building control all quote the same drawing, and it saves a second round of questions on a scheme that is already tight on space.

    Pencil resting on a dimensioned technical drawing beside a scale rule

    Local figures for Tower Hamlets

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Policy D.ES6: new residential must achieve maximum water use of 105 litres per person per day; refurbishment and non-domestic to meet BREEAM water credits; major development must show water supply and sewerage capacity.105 l/person/day—towerhamlets.gov.uk, Tower Hamlets Local Plan 2031 (adopted 15 January 2020), Policy D.ES6 parts 1 and 3; PDF p.166-167
    Policy D.ES10 Overheating: new development must avoid overheating and minimise air conditioning; majors evidence compliance in the design and access statement including overheating analysis against a mid-range 2030s climate scenario; London Plan cooling hierarchy applies.Majors: 2030s mid-range climate analysis—towerhamlets.gov.uk, Tower Hamlets Local Plan 2031 (adopted 15 January 2020), Policy D.ES10, paras 14.72-14.74, PDF p.174
    Policy D.ES5: major development must submit a drainage strategy; new development in critical drainage areas must achieve greenfield run-off rate and volume; other development should seek greenfield rate, with minimum 50% attenuation of pre-development peak run-off.Greenfield (CDA); 50% attenuation minimum elsewhere—towerhamlets.gov.uk, Tower Hamlets Local Plan 2031 (adopted 15 January 2020), Policy D.ES5 parts 2-3, PDF p.165
    Householder FRA required in Flood Zone 2 or 3 for basement or ground floor extensions, including SuDS and safe access.FZ2/3 basement or ground-floor extensions—towerhamlets.gov.uk, Tower Hamlets Householder Planning Application Checklist (September 2020, V5), p.8
    Households living in a house12 % of households living in a house or bungalow (detached, semi-detached or terraced)Census 2021nomisweb.co.uk
    Owner-occupied households23.1 % of households owner-occupied (owned outright or with mortgage/loan)Census 2021nomisweb.co.uk
    Conservation areas59 named conservation areas published by the council—planning.data.gov.uk
    Article 4 directions64 Article 4 directions published by the council—planning.data.gov.uk
    Listed building entries916 list entries (Historic England, within the LPA boundary)—planning.data.gov.uk
    worldHeritageSites2 World Heritage Sites intersecting the LPA boundary—planning.data.gov.uk
    Heritage at Risk entries39 Heritage at Risk Register entries within the LPA boundary (Historic England)—planning.data.gov.uk
    Tree preservation orders72 tree preservation orders published by the council—planning.data.gov.uk
    Householder decisions191 decisions1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    Householder applications granted92.7 %1 July 2025 - 30 June 2026assets.publishing.service.gov.uk
    AD F Vol 1 (2021), Table 1.1 intermittent extract, PDF p.16; 2026 edition Table 1.130 l/s—gov.uk
    AD F Vol 1 (2021), Table 1.1 intermittent extract, PDF p.16; 2026 edition Table 1.115 l/s—gov.uk
    AD F Vol 1 (2021), Table 1.1 intermittent extract, PDF p.16; 2026 edition Table 1.130 l/s—gov.uk
    Building Regulations 2010 reg.12(6A) and (9); AD P (2013) para 2.5, PDF p.14new circuit; consumer unit replacement; additions or alterations to circuits in a special location—legislation.gov.uk

    A blank value means the figure has not been published, not that there are none. Check your own address with the council.

    Councils bordering Tower Hamlets
    Building regulations, layer by layerPart A: structure: Approved Document A: Structure, 2004 edition incorporating 2004, 2010 and 2013 amendments. Part B: fire safety: All dwellings: fire detection and alarm system minimum Grade D2 Category LD3 (BS 5839-6), mains-operated smoke alarms to BS EN 14604. Part L: insulation: New elements in existing dwellings, limiting U-values W/(m²·K): roof 0.15, wall 0.18, floor 0.18, windows 1.4 (or WER Band B), doors 1.4. Part K: stairs: 2.0 m clear headroom over stairs. Full plans application: Building control body must decide a full plans application within 5 weeks, or longer if agreed in writingPart A: structurePart B: fire safetyPart L: insulationPart K: stairsFull plans applicationABCDE

    Building regulations, layer by layer

    The Approved Documents that shape most house projects, from structure to the application itself.

    A · Part A: structure
    Approved Document A: Structure, 2004 edition incorporating 2004, 2010 and 2013 amendments
    B · Part B: fire safety
    All dwellings: fire detection and alarm system minimum Grade D2 Category LD3 (BS 5839-6), mains-operated smoke alarms to BS EN 14604
    C · Part L: insulation
    New elements in existing dwellings, limiting U-values W/(m²·K): roof 0.15, wall 0.18, floor 0.18, windows 1.4 (or WER Band B), doors 1.4
    D · Part K: stairs
    2.0 m clear headroom over stairs
    E · Full plans application
    Building control body must decide a full plans application within 5 weeks, or longer if agreed in writing

    Houses are the exception, so every route is a negotiation

    Only 12 per cent of households here live in a house or bungalow, and 23.1 per cent own their home. A good share of our work is a leaseholder converting a flat, a landlord reconfiguring a floor, or a family extending one of the surviving Georgian or Victorian terraces.

    In a flat, the services drawing is mainly a coordination tool. It shows where the extract fan leaves the building, which circuits serve which room, and where smoke and heat alarms sit. It also records which of those routes pass through a part of the building you do not own, so that consent from the freeholder or managing agent can be sought with a drawing rather than a description.

    Ventilation is the usual constraint. A kitchen hood that vents outside needs 30 l/s, a bathroom 15 l/s and a utility room 30 l/s, and in a deep floor plate with a single outside wall the duct run decides the layout.

    Heritage, trees and Article 4 on the east side

    The borough has 59 conservation areas, 64 Article 4 directions and 916 listed building entries, with 2 World Heritage Sites reaching into its area on the Historic England count. Those figures make external plant a planning question on many streets, particularly on a front elevation or a roof visible from the road.

    Historic England also records 39 entries on the Heritage at Risk Register inside the borough. If your building is one of them, or sits beside one, the drawing should show external services in the least visible place, with an alternative if the first choice is refused.

    The borough also has 72 tree preservation orders. They matter less in a dense area than in the suburbs, but a street tree or a protected garden tree can block a trench for a new supply or a drain.

    What you receive in Tower Hamlets

    The set has a lighting and power plan for each floor, a ventilation plan with each duty marked, a distribution schematic, a smoke and heat alarm layout, and a schedule of fittings. Part P notifiable work includes: new circuit; consumer unit replacement; additions or alterations to circuits in a special location. Your electrician certifies it.

    The council decided 191 householder applications in its latest year and granted 92.7 per cent. The set goes beside our building regulations drawings in Tower Hamlets. If you want the heating and hot water design behind it, see MEP design in Tower Hamlets, and for the borough as a whole read about architectural drawings in Tower Hamlets.

    Send us the plans and tell us what is changing. We give a fixed quote after a free constraints check.

    What you receive

    Building regulations section drawing showing the construction build-up
    Sample drawing. Building regulations section showing construction build-up for a building control check.
    Two-storey rear extension under construction on a semi-detached house
    Every layer specified
    Move across to open the layers; move down to pick one.

    Other services in Tower Hamlets

    M&E drawings nearby

    Questions

    Does a Tower Hamlets flat conversion need M&E drawings?

    Planning rarely asks for them, but building control, the freeholder and your electrician do. A single set shows fan routes, circuits and alarms in one place.

    What does the overheating policy mean for a small scheme?

    The formal evidence is aimed at major schemes. For a house or flat, the useful part is the order of measures: reduce heat gain, ventilate, and avoid air conditioning unless nothing else works.

    Do I need a flood risk assessment for a basement in Tower Hamlets?

    The householder checklist asks for one in the higher flood zones for basement or ground-floor extensions. A flood consultant prepares it. We show the services at the levels it will protect.

    How is the work priced?

    Fixed quote after a free constraints check, according to the number of floors and systems.

    Sources and dates

    City of London skyline glowing at dusk across the Thames under a dramatic orange sky

    Tell us about your property.

    We check the constraints, then send a fixed fee. Messages before 3pm get a reply the same working day.

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