✓ Multi-Accredited
✓ High-Capacity Delivery
✓ Rapid Mobilisation
✓ Quality Assured

FOR MAIN CONTRACTORS & HOUSING PROVIDERS

Accredited Survey Subcontracting for Main Contractors — SLA Guaranteed, Evidence Compliant, Real-Time Visibility

Strata delivers EPC assessments and stock condition surveys for main contractors across London. 496 properties delivered for Phoenix Community Housing. In-house team. DBS checked. WI01 v14 compliant.

2,400+

Properties Delivered

496

In One Programme

7

In-House Surveyors

8

Named Clients

7

Accreditations

ACCREDITATIONS & CERTIFICATIONS

WHY CONTRACTORS CHOOSE US

How We Protect Your Programme — Guaranteed

Main contractors face specific operational risks when subcontracting survey work. Here is how Strata eliminates each one.

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SLA Guaranteed — Written Into Every Subcontract

EPC issued within 8 working days. SCS within 12 working days. Our system flags breach risk 48 hours in advance. You see it on your dashboard before we call you.

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WI01 v14 Compliant Evidence — Every Survey

Every survey follows Elmhurst WI01 v14 methodology. A mandatory evidence checklist must be completed before a job is marked done. Director-level QA sign-off before every report is issued.

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Live Client Dashboard — Updated in Real Time

Your dedicated dashboard shows every property colour-coded by status, updated as surveyors work. You log in. You don’t chase us.

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In-House Only — DBS Checked, Individually Accredited

Every surveyor is directly employed, DBS checked, and accredited with at least one of our four EPC bodies. No agency staff. No unvetted subcontractors in your properties.

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Same-Day Exception Logging — 24-Hour Rescheduling

Every failed visit logged same day with reason. Rescheduling initiated within 24 hours. Exception visible on your dashboard immediately. Nothing is lost.

Accepted Across All Major Funding Schemes

ECO4 · Warm Homes Plan · Decent Homes · PAS 2035. Elmhurst, ECMK, Quidos, Sterling, NICEIC, TrustMark. Accepted across all schemes.

OUR TECHNOLOGY

Survey Programme Management System

Strata’s Survey Programme Management System is a real-time property tracking platform used to manage EPC and stock condition survey programmes for housing associations and main contractors across London. Proven in production on 496 properties.

 Live map — every property colour-coded by status

 Daily stats — completion rate, SLA performance, exceptions

 Same-day exception log — every failed visit recorded

 Dedicated client URL — share with your whole team

 Retained 90 days post-completion — fully audit ready

LIVE PROGRAMME STATS

496

Properties tracked in production


Real Time

Status updates as surveyors work


90 Days

Dashboard retained post-completion

PROVEN AT SCALE

496-Property Programme — Phoenix Community Housing

Strata delivered a combined EPC and stock condition survey programme across 496 occupied residential properties in Bromley and Lewisham — on time, every EPC lodged, full evidence pack issued.

FEATURED PROGRAMME

Phoenix Community Housing — 496 Properties, Bromley & Lewisham

Strata delivered combined EPC and stock condition surveys across 496 occupied residential properties on the Downham estate — houses, flats and low-rise blocks across BR1, BR3 and SE6, covering 110+ streets. Full tenant liaison and access coordination managed by our team. Delivered in under 2 months with every EPC lodged through our accredited assessor accounts.

496

Properties

110+

Streets

<2 Months

Delivered

EPC+SCS

Survey Type

OUR CLIENTS

Delivered for Clients You'll Recognise

Phoenix Community Housing  ·  NPH Northamptonshire Partnership Homes  ·  Savills  ·  L&Q Group Kensington & Chelsea Council  ·  Settle Housing Association  ·  Vibrant Energy  ·  Propcert

2,400+ properties delivered combined

FREQUENTLY ASKED QUESTIONS

Common Questions from Procurement Teams

What areas do you cover for survey programmes?

Strata covers all London boroughs and the Home Counties. Our surveyors are allocated by geographic zone to minimise travel time and maximise daily throughput.

How quickly can you mobilise a programme?

From contract signature, your programme is live in our system and your client dashboard is active within 48 hours. Scheduling begins immediately.

What accreditations do you hold for ECO4 and Warm Homes Plan?

Strata holds accreditations with Elmhurst Energy, ECMK, Quidos and Sterling — all accepted for ECO4, Warm Homes Plan and Warm Homes: Social Housing Fund programmes.

What is your SLA for EPC and stock condition survey delivery?

EPC reports are issued within 8 working days of survey completion. Stock condition survey reports within 12 working days. Both commitments are written into our subcontracts.

How many properties can you survey per week?

At current capacity, Strata delivers 80—100 surveys per week. For larger programmes requiring rapid scale-up, capacity planning is discussed at tender stage.

What happens when a tenant is not home?

Every failed visit is logged same day with the reason recorded. Rescheduling is initiated within 24 hours. The exception is visible on your client dashboard immediately — nothing disappears.

Ready to Discuss Your Next Programme?

We respond same day. Tell us your scope and we’ll come back with capacity, timeline and pricing.