Modular construction is a tried and tested and well-established method of construction, proven across many markets. Here are a few common questions we often get asked about modular buildings and also about how we establish our hatch. manufacturing plants. If you have a question not covered here, please contact martin.sayers@hatchmodular.co.uk



What are the key benefits of MMC?

The main benefits of MMC (Modern Methods of Construction) include:

1. Improved Quality – producing our hatch. homes in a controlled factory environment helps to ensure consistent quality and compliance with building standards.

2. Faster Build – our hatch. homes can be built quicker using MMC and, reduced exposure to the elements on site, ensures much greater programme certainty.

3. Reduced Costs – there is a potential for reduced costs if the design and build process is aligned to MMC production and installation.

4. Improved sustainability – higher build quality can lead to greater energy performance and reduced carbon emissions. Also, factory-made homes can result in less waste and better health and safety.

Is Modular construction more economical than in-situ forms of construction?

Modular buildings have different build characteristics to in-situ forms of construction. Therefore, on those sites that best utilise the modular characteristics will benefit from a more economical form of construction.

For instance

Speed: Modular programs are up to 50% quicker than some forms of in-situ build.

Weather: Modular is largely independent of variations in weather or temperature.

Logistics: Modular units are installed practically complete therefore any site which requires extensive logistics’ to cater for horizontal and vertical movement of raw materials and resources will favour a modular solution.

Repetition: Repetitive footprint favours a modular approach minimising the design input per module and reducing manufacturing lead in times.

Disruption: With the majority of the work carried out in a factory site disruption is kept to a minimum, with up to 60% fewer deliveries and practically no waste on site.

In summary

For low rise complex one off buildings – in-situ will be the best solution.

For medium rise 4 to 8 storeys apartments in an inner city environment, modular will be an excellent solution.

How do I know a Modular building is safe?

All buildings are required to conform to Building Regulations, British and European Standards. Modular Buildings have benefitted from extensive critical research which has resulted in the production of standardised details for the safe use of this technology. This supported by the LABC and the research institutes, for instance, BRE and SCI.

Council for Mortgage Lenders, will now accredit and mortgage this form of construction for private purchase. NHBC will provide a 10-year warranty on this form of construction.

Multi storey modular buildings have 1 significant advantage over all other forms of construction. They are delivered to site with 99% of the fire cladding in situ and therefore are completely safe in during the build phase and not prone to construction fire damage particularly prevalent in timber frame construction.

Who uses Light Steel Frame Modular buildings?

Light Steel Framed Modular buildings are hugely versatile and can be used across many markets.

  1. MOD

The MOD has the largest estate of Steel framed Modular accommodation units in the country, housing over 25,000 single soldiers in their own en-suite accommodation units which are required to provide Robust Environmental units which have a, long service life and minimal whole life costs. Up to 6 storey construction.

  1. Student accommodation

The technology is extensively used in the production of multi-storey student Accommodation either in Modular, Cellular or flat pack formats.

  1. Prison Buildings

The prison building programme illustrates the best attributes of Modular construction in probably the most aggressive environment for any building in service. It can be installed in days not months, it can be tested prior to installation and it can be installed with the minimum of disruption to the immediate environment even in sensitive security zones. The Prison Service has invested in modular cell blocks with many local detention centres also being constructed in the same way.

  1. Education

Low rise classrooms have been traditionally supplied in modular format

  1. General

Now the construction industry is using the Light Steel framing technology to solve one off design problems on a job for job basis.

  1. Negligible in construction fire risk
  2. Pre galvanised protection
  3. Automotive technology.

What is the lifespan of a Light Steel Frame Modular Building?

The modular building is designed as a warm frame application. The structure is assembled from cold rolled galvanised sections with an external insulation layer. The lowest floor is either a suspended ground floor over the oversite or it is supported on a Podium. The corrosion protection is nominally 275gm/m2 zinc coating but this can be enhanced for very aggressive environments up to 400 gm/m2.

Steel Construction Institute forecast the Design life of galvanized steel sections in common applications in buildings

Predicted design life

  • Walls and floors in warm frame applications No risk of water ingress or condensation 250 years
  • Infill external walls in multi-storey buildings Warm frame and no risk of water ingress 250 years
  • Roof structures (insulated) Low risk of condensation 200 years
  • Suspended ground floors (with over-site membrane) Low risk of water ingress; some risk of condensation 100 years

Note: All values are for Z275 (Total weight of zinc coating on both surfaces = 275 g/m2)


What is h.RPM (hatch. Residential Precision Manufacturing)?

hatch. Residential Precision Manufacturing (or h.RPM for short) is our standardised, precision modular product that has been created to negate the need to continually re-design and re-engineer leading to cost savings.

What are the key benefits of establishing a hatch. manufacturing assembly plant?

Establishing a localised hatch. manufacturing facility utilising modular construction (h.RPM) can reduce timescales by up to 50%, leading to significant reductions in preliminary costs, shorter funding periods and earlier sales/occupation. In addition to this, a localised plant enables the opportunity to create local jobs in the community together with a long-term apprentice/training programme – leading to homes for the community, built by the community.

What is the minimum output required to established a hatch. manufacturing facility?

A minimum output of just 100 units per annum, over a 5 year period, is enough to make establishing a manufacturing plant feasible.

What is h.UD™ (hatch. Urban Developer)?

h.UD is the name of our cutting edge Urban Developer software application that allows our clients to virtually create their own schemes and establish a budget cost for their build. To find out more and experience a live demo, contact martin.sayers@hatchmodular.co.uk