Ventilation for new builds, extensions and lofts in Dumfries and Galloway

New homes, extensions and loft conversions need ventilation that meets the building regulations and is tested before sign-off. We design the system, install it at the right stage of the build, measure the airflows and provide the commissioning information building control asks for.

If you are anywhere in Dumfries and Galloway, send the postcode and a few photos and we will tell you what we would recommend. Towns we cover include Stranraer and Dumfries.

New builds & extensions in Dumfries and Galloway at a glance

Area: Dumfries and Galloway, Scotland
Towns listed: 2, largest Dumfries
Postcode districts: DG2, DG9 and DG1
Price region: Scotland
Survey: Free survey (UK mainland)

What the work involves

We work for self-builders, small developers, builders and architects. Fitting ducts at first fix is far cheaper than retrofitting, so it pays to involve us before the ceilings go up.

MEV or dMEV

Continuous extract systems where MVHR is not specified.

Extensions and lofts

Extract for new bathrooms and kitchens, background ventilation for new rooms.

Commissioning only

Testing and paperwork for systems installed by others.

Guide prices in Dumfries and Galloway

Ventilation for new builds, extensions and lofts guide prices in Dumfries and Galloway
Work	Guide price
MVHR in a new build or full renovation (fitted at first fix), 3 to 4 bedrooms (per home)	£4,750–£7,650 inc VAT
Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan)	£330–£575 inc VAT
Airflow testing and commissioning sheet for extract fans (up to 6 fans) (per home)	£140–£285 inc VAT
MVHR or MEV commissioning test, every terminal measured and recorded (per system)	£235–£380 inc VAT

These ranges use our Scotland rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.

Signs it is time to call us

You are insulating and re-windowing an existing home
A self-build with an airtightness target
Ceilings are about to be boarded

Rules in Scotland

Scottish projects follow the Technical Handbooks (section 3, Environment) under the Building (Scotland) Regulations, usually with a building warrant. We work to the Scottish ventilation standards and record the airflow achieved.

How the job runs

Drawings
Design
First fix
Second fix
Commission

Towns we cover in Dumfries and Galloway

Questions about ventilation for new builds, extensions and lofts in Dumfries and Galloway

Are prices different in Dumfries and Galloway?

Our guide prices are adjusted by region. In Dumfries and Galloway we use Scotland rates, so MVHR in a new build or full renovation (fitted at first fix), 3 to 4 bedrooms is typically £4,750 to £7,650 inc VAT per home.

How much does MVHR cost in a new build?

For a 3 to 4 bedroom new build, MVHR fitted at first fix usually costs £4,950 to £7,950 including VAT. VAT on new-build work can differ, so we confirm the treatment on your quote.

Can you just test a system someone else installed?

Yes. We can commission and test systems installed by others, and report any issues we find.

Is the survey free in Dumfries and Galloway?

For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.

Which rules apply to ventilation in Dumfries and Galloway?

In Scotland, ventilation is covered by section 3 of the Building Standards Technical Handbooks. Private rented homes must meet the Repairing Standard, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.