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Property Managers & Housing Associations

Bulk HIU Servicing Contracts

Block-wide service contracts with discounted multi-unit rates, resident access coordination and full compliance reporting — so your whole building stays on top of its HIU maintenance.

Managing a Whole Block of HIUs Is Hard Work

Chasing multiple contractors for different unit brands

Resident access scheduling across hundreds of flats

Inconsistent servicing standards and missing paperwork

Unexpected emergency callouts draining the maintenance budget

No centralised compliance record for insurance or regulation

Reactive servicing that costs far more than planned maintenance

One Contract. Every Unit. Zero Hassle.

Our bulk servicing contracts give property managers and housing associations a single point of contact for their entire HIU estate.

Discounted per-unit rates for blocks of 10+ units
Resident appointment booking and reminder letters
Rescheduling management at no extra charge
All major HIU brands covered in one contract
Written service report per unit after every visit
Block-level compliance documentation for insurance
Priority emergency callout rates included
Annual performance summary and recommendations
DanfossSAVCaleffiSwitch2Alfa LavalHeatwebThermal IntegrationRedan

Why Choose Collide for Bulk Contracts?

Manufacturer Trained

Our engineers are trained on all major HIU brands, so mixed-brand blocks are never a problem. One team, one invoice, full coverage.

Resident First

We handle appointment letters, reminder calls and rescheduling directly with residents, minimising disruption and protecting your reputation.

Full Paper Trail

Every visit generates a per-unit written report. At contract end we produce a block-level compliance pack suitable for building insurance and regulatory purposes.

“We manage a block of 94 flats in Southwark. Collide handled every service visit, coordinated resident access and delivered a full compliance pack at the end. 94% completion rate in the first cycle — outstanding.”

Mark D. — Property Manager, Southwark

Bulk Contract Pricing

From £95 / unit

Per-unit rates depend on block size, brand mix, access difficulty and contract length. We always provide a tailored written proposal — contact us for a free site survey and quote.

  • 10–49 units: from £115/unit
  • 50–99 units: from £105/unit
  • 100+ units: from £95/unit
  • Resident coordination included
  • Emergency callout priority rate option
Request a Proposal

Frequently Asked Questions

How many units do you need for a bulk contract?
We work with blocks from 10 units upwards. The more units, the greater the per-unit discount we can offer. Contact us for a tailored proposal.
Do you handle resident access?
Yes. We coordinate directly with residents to book appointments, send reminder letters and manage rescheduling, reducing the burden on your management team.
What brands do you cover in bulk contracts?
We cover all major HIU brands including Danfoss, SAV, Caleffi, Switch2, Alfa Laval, Heatweb, Thermal Integration and Redan — mixed brand blocks are fully supported.
Do you provide compliance documentation?
Yes. After each service visit we produce a detailed written report per unit. At the end of the contract cycle we issue full block-level compliance documentation suitable for insurance and regulatory purposes.
Can you cover emergency repairs within the bulk contract?
We can include a priority emergency callout rate within your contract. This guarantees same-day or next-day attendance for critical HIU failures anywhere in Greater London.

Ready to Simplify Your Block's HIU Maintenance?

Tell us your block size and current HIU brands and we'll send a free written proposal within one working day.