020 7864 7245Request a fixed quote

Kingston upon Thames, London

Electrical design drawings in Kingston upon Thames

Kingston is a borough of family houses with long gardens, and the work we see is extensions, garden rooms, heat pumps and solar roofs. We prepare electrical design drawings in Kingston upon Thames with the circuits, lighting and renewable equipment drawn to the details the council's validation list asks for. Fixed quote after a free constraints check.

Fixed quote after a free constraints check

  • MCIAT chartered
  • £2m PI insured
  • LABC Partnered
  • Fixed fees, VAT included

Request a fixed quote

We use it to check conservation areas and constraints.
Pick the council that decides your application.
A few lines: what you want to build, and anything the council has already said.
Add photos or drawings

Drop files here or choose from your device

PDF, JPG, PNG, DWG · up to 10 files, 90 MB in total

    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 electrical design 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.

    Request a fixed quote
    House extension under construction with scaffolding, new glazed doors and building materials

    What the council's list says about electrical design drawings in Kingston upon Thames

    Kingston's Validation Local List is specific about equipment that has an electrical side. Any application involving solar panels or air source heat pumps must include existing and proposed Renewable Energy Sections drawn at scales of Sections at 1:10 or 1:20, showing how high the technology stands above the roof or ground. Our electrical sheets are drawn from the same model, so the roof section and the cable route agree.

    New homes meet a different rule. A Water Consumption Statement is required wherever new residential accommodation is created, setting mains use at 105 l/person/day (with a small allowance for external use). That is a plumbing figure, but the electrical design is tied to it through heated water: a heat-pump cylinder, an immersion backup and a shower pump all sit on circuits we schedule.

    Larger schemes meet a third rule: an energy assessment and overheating statement for Majors only; dynamic overheating modelling to CIBSE. A householder extension is below it, but a block of flats is above it, and the modelling then depends on lighting and appliance loads that our schedule records.

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

    Local figures for Kingston upon Thames

    Figures with their unit, period and source
    MeasureValuePeriodSource
    Applications involving renewable technologies (solar panels, air source heat pumps etc.) need existing and proposed Renewable Energy Sections at 1:10 or 1:20 showing the technology height above roof or ground.Sections at 1:10 or 1:20—kingston.gov.uk, Royal Borough of Kingston upon Thames Validation Local List (February 2024), p.22
    Water Consumption Statement required for all applications creating new residential accommodation: mains water use of 105 litres or less per head per day (excluding up to 5 litres external use). Commercial: BREEAM Excellent Wat 01 or equivalent (12.5% improvement over baseline).105 l/person/day—kingston.gov.uk, Royal Borough of Kingston upon Thames Validation Local List (February 2024), p.95
    Energy assessment and overheating mitigation statement is required for all major applications: follow the London Plan energy hierarchy (SI 2), heating hierarchy (SI 3), include dynamic overheating modelling using CIBSE guidance (SI 4) taking account of Approved Document O limits, EUI and space heating demand, and be submitted at application stage, not by condition.Majors only; dynamic overheating modelling to CIBSE—kingston.gov.uk, Royal Borough of Kingston upon Thames Validation Local List (February 2024), p.52-55
    Households living in a house61.5 % of households living in a house or bungalow (detached, semi-detached or terraced)Census 2021nomisweb.co.uk
    Owner-occupied households60.9 % of households owner-occupied (owned outright or with mortgage/loan)Census 2021nomisweb.co.uk
    Domestic gardens share of land (GLUD 2005)30.9 % of land that is domestic garden (GLUD 2005)2005data.london.gov.uk
    Conservation areas28 named conservation areas published by the council—planning.data.gov.uk
    Listed building entries163 list entries (Historic England, within the LPA boundary)—planning.data.gov.uk
    Green Belt share of the council area17 % of council area covered by green-belt polygons—planning.data.gov.uk
    Supplementary planning documentResidential Design SPD2013kingston.gov.uk
    AD P (2013) paras 3.4, 3.6 and 3.730 days—gov.uk
    AD S (2021) para 6.2, PDF p.357 kW—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 Kingston upon Thames
    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

    Detached and semi-detached houses, long gardens and heavy loads

    61.5 per cent of Kingston households live in a house, and 60.9 per cent are owner-occupiers. Domestic gardens cover 30.9 per cent of the land, and that is where the work goes: garden offices, studios, outdoor kitchens and charge points on side driveways.

    The consumer unit of an inter-war house is often a small one, with few spare ways, so a kitchen extension that adds an induction hob, an oven, an underfloor circuit and a heat pump can exceed what the unit offers. We tally loads, show a replacement unit where it is needed and keep a spare way for the charger. When the household also adds a solar array, we place the inverter, isolator and generation meter.

    For outbuildings we draw the supply as a separate circuit with its own protective device, an armoured cable at a marked depth and a local isolator. The route is dimensioned from the house, so the groundworker digs once.

    Heritage, Green Belt and visible items

    The borough has 28 conservation areas and 163 listed building entries, and 17 per cent of it is covered by Green Belt polygons. Most electrical work disappears into walls, but an external heat pump, a solar array or a charger on a front wall can be refused or conditioned if it is badly sited.

    In Green Belt areas a garden building is judged on its size and use, and a supply cable is rarely the issue. In conservation areas a visible meter box or light fitting is. Our architectural drawings in Kingston upon Thames set out the designations and the borough's Residential Design SPD.

    Heat pumps, solar and the protective devices behind them

    Many Kingston clients ask for a heat pump or a solar array at the same time as an extension, so we draw both as part of the same electrical system. The heat pump gets its own circuit with a local isolator, and the solar inverter is placed where it can be reached, ventilated and labelled for firefighters.

    A battery adds another layer. It needs its own protection, a clear position away from escape routes and a note for the installer on what the consumer unit must accommodate. Our schematic shows all of it in one place, which is also what the council's section drawings need to agree with.

    Part P, lighting and the charge point

    Notifiable work must be certified within 30 days. Lighting must reach 75 lumens per circuit watt now and 105 later, and a new dwelling's charge point must offer at least 7 kW. We build all three into the schedule.

    Heat pumps and solar panels bring their own paperwork, so our sheets sit beside the M&E drawings and the building regulations drawings in Kingston upon Thames. The electrical design drawings hub lists the full service.

    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.
    Pencil resting on a dimensioned technical drawing beside a scale rule
    Every layer specified
    Move across to open the layers; move down to pick one.

    Other services in Kingston upon Thames

    Electrical design drawings nearby

    Questions

    Does Kingston need a drawing of my solar panels?

    Yes. The validation list asks for existing and proposed Renewable Energy Sections at scales of Sections at 1:10 or 1:20, showing the height of the equipment.

    What water-use limit applies to new homes in Kingston?

    A Water Consumption Statement must show 105 l/person/day, excluding a small external allowance.

    Can an old consumer unit handle a new extension?

    Often not. We total the loads, and show a replacement with spare ways where needed.

    How much do electrical design drawings cost in Kingston upon Thames?

    Fixed quote after a free constraints check.

    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.

    Request a fixed quoteCall 020 7864 7245WhatsApp