Electrical and Plumbing Planning for Interiors: Get the Points Right Before the Furniture Is Made

The most expensive mistakes in an interior project are not in the laminate or the tile. They are the socket that ended up behind the wardrobe, the AC drain that had to be cut through a finished wall, and the geyser point that landed on the wrong side of the shower. Services planning is where an interior either fits the house or fights it, and in Odisha it also has to handle power cuts, hard water and a kitchen that runs a heavy chimney twice a day.

Why services get planned with the furniture, not after it

A conduit costs a few rupees a metre while the wall is bare and several hundred once it has to be chased through plaster and repainted. That is the entire argument. On MoGhara projects the electrical and plumbing drawings are issued only after the furniture layout is frozen: the bed position decides the two-way switch and the bedside sockets; the wardrobe wall decides where nothing goes; the kitchen elevation decides the chimney point, the hob socket, the RO tap and the dishwasher drain. In a new house this happens before plaster; in a renovation, before the first chase. The 2D layout drawings carry the point positions with heights so the electrician and plumber are working from the same sheet as the carpenter.

Room-by-room point schedule for an Odisha home

Room	Electrical points we plan as standard	Plumbing points
Living / drawing	TV unit cluster (2 sockets, TV, data, set-top), 2 fan points, ceiling light circuit plus cove circuit, 2 wall-light points, 1 AC point, sockets at 2 sofa ends, one near the entrance for the inverter or router	None, unless a wash basin niche near dining
Dining	Pendant point over the table centre, 1 fan, sockets for a fridge or water dispenser	Wash basin with hot-cold mixer, drain and a hidden angle valve for a water purifier
Kitchen	Chimney socket at 1.9–2.1 m, hob ignition socket, 3–4 sockets on the platform at 1.1 m on a 20 A circuit, microwave and oven socket in the tall unit, fridge on its own socket, under-cabinet light circuit, exhaust fan, one 16 A for a future induction	Sink hot and cold, RO inlet and drain, dishwasher inlet and drain, washing machine inlet and drain in utility, gas line sleeve if piped
Master bedroom	Two-way switching at door and bedside, 2 bedside sockets each side with USB, AC point with drain, 1 fan, dressing mirror light, wardrobe internal light circuit, TV point if used	Attached bath only
Bathrooms	Geyser point on a 16 A circuit near the ceiling, exhaust fan, mirror light, shaver socket outside the wet zone, all on an RCCB	Hot and cold to shower and basin, WC inlet, health faucet, floor trap with slope, geyser inlet and outlet, washing machine point if placed here
Pooja	Warm LED at the deity level, one socket for a lamp or bell, exhaust fan for daily dhoop	Small basin nearby if the family prefers
Balcony / verandah / terrace	IP-rated light, one weatherproof socket, a fan point on verandahs	Tap for washing and plants, floor drain
Staircase and passages	Two-way switching top and bottom, night light circuit, one socket per landing for a vacuum	None

The list looks long because it is; almost every item on it is a point someone has asked us to add later at three times the cost.

Load, circuits and the Odisha power reality

A 3BHK in Bhubaneswar today can carry three ACs, two geysers, an induction hob, a microwave and a washing machine, which was unthinkable when the standard 'one circuit per floor' wiring was laid twenty years ago. We plan:

• A separate circuit for each AC and each geyser, 20 A kitchen power circuit, 16 A circuits for heavy sockets, 6/10 A for lighting.
• Copper FR wiring in proper gauge: 4 sq mm for AC and geyser, 2.5 sq mm for power sockets, 1.5 sq mm for lights.
• A distribution board with RCCB protection for wet areas and MCBs per circuit, sized with a 30 percent margin for the loads the family will add.
• Two earthing pits with a tested resistance, especially in coastal towns where corrosion of earth electrodes is fast.
• An inverter circuit that carries lights, fans, Wi-Fi, TV and the fridge through every room, with the inverter placed in a ventilated store and not in a bedroom wardrobe.
• A spare conduit from the DB to the terrace for a future rooftop solar system, and a location on the south-facing roof kept clear of the tank.

Power cuts in Odisha's summer are shorter than they were but still routine, and a well-planned inverter circuit is the difference between an inconvenience and a sleepless night in May.

Water systems designed for the household, not the catalogue

Supply and storage

Plan the water system from the family size backwards: about 135 litres per person per day, so a family of five needs an overhead tank of at least 1,000 L for a day's autonomy, and we normally specify 1,500 L plus a 3,000–5,000 L sump with a pump so that a supply interruption or a borewell rest period does not empty the taps. In areas of Jajpur, Balasore and Sambalpur where the borewell water is hard or iron-rich, an iron removal or softener unit at the sump saves every tap, geyser and shower from scaling within a year.

Pipes and layout

CPVC for hot and cold supply, UPVC for drainage, with a pressure test before closing any wall. Toilets stacked on a single shaft floor to floor keep drainage short and fixable. Every bathroom gets its own isolation valve so one repair does not shut down the house. Slopes of 1:100 minimum on drains, and floor traps positioned where the mop will actually push water.

Hot water

A 15–25 L storage geyser per bathroom, or an instant geyser for a basin; in western Odisha a solar water heater on the roof pays back quickly given the sun, with a plumbed bypass for cloudy weeks.

Heights and positions the trades must share

Written heights are what turn a point list into a buildable drawing. Our standard, adjusted for the family:

• Switchboards at 1.2 m to centre; bedside boards at 0.6 m or at the bedside table height chosen in the furniture drawing.
• Kitchen platform sockets at 1.1 m, chimney socket at 1.9–2.1 m, sink hot-cold at 0.45 m for a 0.85 m platform.
• Basin mixer at 0.85–0.9 m, shower mixer at 1.0–1.1 m, overhead shower at 2.1 m, geyser outlets at 1.8–2.0 m.
• AC points at 2.2 m with the drain sleeve sloped to the exterior or a dedicated drain line; never draining into a balcony floor that stains the elevation.
• TV unit sockets behind the panel at 0.9–1.2 m depending on wall unit design.

These numbers are marked on the wall with the furniture outline in chalk before any chasing starts, and the client walks through and signs off. That walk has saved more sockets from wardrobes than any drawing.

The mistakes we are called to fix most often

1. Sockets hidden behind a wardrobe or kitchen tall unit because the furniture layout came after wiring.
2. A single lighting circuit for the whole floor so a false ceiling with cove, spots and pendants has no separate control.
3. Geyser on a lighting circuit that trips every winter morning.
4. AC drain pipe discharging onto a chajja, streaking the elevation black by the second monsoon.
5. Chimney socket placed where the duct blocks it, or a chimney with no route to the exterior at all.
6. Basin drain positioned so the vanity unit's drawer cannot open.
7. No exhaust in the pooja room in a family that lights dhoop and lamps every morning.
8. Undersized overhead tank and no sump, so the first summer supply cut empties the house.

Each is a coordination failure, not a skill failure; the electrician and plumber did what they were told, just too early and without the furniture drawing. This is why MoGhara plans services within the turnkey process rather than as a separate trade, and why our civil scope carries the same drawings, as described in our civil construction guide.

Indicative costs and what affects them

Item (indicative 2026, Odisha)	Range
Complete electrical for a new house, concealed, copper FR, modular switches	₹110 – 180 per sq ft of built-up area
Complete plumbing and sanitary for a new house, mid-range fittings	₹90 – 150 per sq ft of built-up area
Inverter wiring loop and installation (excluding inverter and battery)	₹12,000 – 25,000
Rooftop solar readiness (conduit, DB provision, roof plate)	₹8,000 – 15,000
Sump 4,000 L with pump and automatic controller	₹60,000 – 1.1 lakh
Iron removal or softener at sump	₹25,000 – 80,000

Brand of switches and fittings moves these numbers most: a mid-range modular switch and a premium one can differ three times over on a house with two hundred points. For a fuller picture of how services fit into the whole budget, see our interior design cost guide, and for kitchens specifically, the point planning in our modular kitchen guide.