County Londonderry

Heat load surveys and system design in Derry/Londonderry

Heat load surveys and system design for homes in Derry/Londonderry: room-by-room calculations, equipment selection and a written proposal, free with an installation quote.

  • from £365Local guide price
  • Survey 1–2 hoursTypical time
  • County LondonderryArea
Heat load surveys and system design in a home
  • Free survey and written quote
  • Refrigerant work by F-gas certified engineers
  • Price fixed in writing
  • England, Scotland, Wales and NI
  • Cools in summer, heats in winter

Heat load surveys and system design in Derry/Londonderry

No two rooms in Derry/Londonderry gain or lose heat in quite the same way, which is exactly why rooms are measured before sizing. In Northern Ireland, cooling is mostly needed in conservatories and glazed rooms, while efficient heating benefits the whole home.

Every Derry/Londonderry quote starts with a room-by-room survey rather than a guess from floor area. As well as Derry/Londonderry itself, our County Londonderry coverage takes in Coleraine, Limavady and the towns around them. Postcode districts we cover here include BT48 and BT47.

Prices in Derry/Londonderry

Our Northern Ireland guide price for heat load surveys and system design is £365–£1,145 for a standalone design pack, VAT included. Labour rates in Northern Ireland keep this slightly under the national middle. The design pack price depends mainly on the number of rooms and whether full drawings and equipment schedules are needed. On our Northern Ireland figures, the Design pack option (drawings and schedules for one home) is about £365–£745.

Home survey

Free
inc VAT, Northern Ireland guide

Free with an installation quote.

Balanced choice

Design pack

£365–£745
inc VAT, Northern Ireland guide

Drawings and schedules for one home.

Self-build pack

£645–£1,145
inc VAT, Northern Ireland guide

Whole-house design for a new build.

Planning and permissions

In Northern Ireland we confirm planning requirements for the outdoor unit on survey, especially for listed buildings and conservation areas.

The survey

We book surveys in Derry/Londonderry at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. The free survey is where the real price is set: room measurements, pipe and drain routes, electrical checks and the outdoor unit position, all written into your quote.

What is included

Here is what is included on every job in Derry/Londonderry:

  • Equipment selection and outdoor unit sizing
  • Electrical load for your electrician
  • Room-by-room heat gain and heat loss
  • Pipe and drain routes
  • Written proposal with options

Nearby

If you are just outside Derry/Londonderry, we also work in Strabane (14 miles), Limavady (15 miles) and Coleraine (27 miles). See all services in Derry/Londonderry or heat load surveys and system design across County Londonderry.

FAQ

Common questions in Derry/Londonderry

Can I get a price for Derry/Londonderry without a visit?

Yes, our online guide price tool gives a range in about a minute. A fixed price needs a survey, which is free for new installations.

How soon can you survey in Derry/Londonderry?

We offer survey dates when you enquire. Early summer is the busiest time, so spring and autumn are the easiest times to book.

Will the outdoor unit need planning permission in Derry/Londonderry?

Northern Ireland has its own planning rules for outdoor units. We confirm the position for your home on survey, and with the council where needed.

Is the survey in Derry/Londonderry really free?

Yes, for new installations. The survey and written quote are free and there is no obligation to go ahead.

How much do heat load surveys and system design cost in Derry/Londonderry?

Our guide range in Northern Ireland is £365–£1,145 for a standalone design pack, including VAT. The exact price depends on the rooms, the pipe route and access, and we confirm it in writing after a free survey.

Do I get the calculations?

Your quote shows the capacity chosen for each room. Standalone design packs include the full calculations.

Next step

Ready for a cooler summer and a cheaper winter?

Book a survey, or get a guide price in about a minute with our online tool.

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