M&E drawings in Islington

Tall terraces, flats and shared services

A terraced house in Islington sold for an average of £1,151,398, and the average flat for £560,124. With owner-occupiers holding only 26.7 per cent of households, many drawings are commissioned by landlords or by leaseholders who need freeholder consent. We note which services are shared and which belong to the flat, so that consent request is specific.

In a four-storey terrace the long vertical run is the challenge. A bathroom extract on the top floor, a kitchen two floors below and a basement utility room all want a path to the open air. We trace each duct up through the building, test it against the structure, and keep it clear of floor joists and party walls before the first fan is chosen.

Basements need separate thought. A lower ground floor kitchen or a new basement room cannot always drain by gravity, so a pump or a non-return valve may be needed, and both need power and an alarm on a dedicated circuit. We draw those items with the electrical layout so the drainage designer and the electrician are not discovering each other on site.

Heritage stock and the outside of the building

The borough has 41 conservation areas and 1,050 listed building entries, with 12 at Grade I and 34 at Grade II*. Another 33 entries appear on the Heritage at Risk register. Outside terminals, flues and condensers on the street side are hard to justify in a Georgian or Victorian street, so the drawings push them to rear closets, roof valleys and lightwells.

Where a home is listed, the services route itself may need listed building consent, since drilling a chimney breast or lifting a floor changes historic fabric. We mark every penetration so that the heritage statement can describe it, rather than leaving it for a builder to improvise.

Planning context and certificates

The council decided 337 householder applications in its latest year and granted 92.6 per cent, deciding 98.8 per cent in time. It also handled 141 lawful development certificate applications. Those are planning statistics, and we use them to judge how tight a programme can be, not to promise any outcome.

House prices moved by -4.9 per cent over twelve months, so owners are improving homes they intend to keep. That is when a services upgrade, a new consumer unit or a heat pump is likely to be part of the work, and an early drawing keeps it within budget.

Numbers we draw to

Approved Document F sets a bathroom extract at 15 l/s and a separate toilet at 6 l/s. Where ventilation runs continuously, a high-rate kitchen is 13 l/s. A one-bedroom flat needs 19 l/s for the dwelling as a whole, and the sheet shows how the fans add up to it.

Part P notification covers new circuit; consumer unit replacement; additions or alterations to circuits in a special location, with certification within 30 days. Lighting in the fittings schedule is checked against 75 lumens per circuit watt.

Scope, fee and linked pages

An Islington set normally has power and lighting plans per floor, a ventilation layout with each fan duty, alarm positions, a consumer unit schematic and a schedule. There is no published starting price, so we start with a free constraints check and quote a fixed fee.

More on the borough is at architectural drawings in Islington. The national guide is M&E drawings, and the design side sits under MEP design. For a loft, the services also join the building regulations drawings.