Highway and street lighting designs that are accurate, compliant, and built to keep projects moving. HLS Consultants delivers calculation-led lighting design for highways, junctions, motorways, and transport infrastructure, ensuring every scheme meets the latest standards across the UK, Ireland, and the Middle East.
Highway and street lighting design sits at the intersection of public safety, statutory compliance, and programme risk. A scheme that is under-calculated, misclassified, or documented to the wrong standard doesn't just fail a review — it delays the wider road, junction, or infrastructure project it belongs to. HLS Consultants is a specialist highway and street lighting design consultancy, providing calculation-led, standards-compliant lighting design for motorways, trunk roads, local highways, junctions, and transport corridors across the United Kingdom, Ireland, and the Middle East.
Whether you're an engineering consultancy needing additional highway lighting design capacity, a Tier 1 contractor delivering lighting as part of a wider infrastructure contract, a local authority upgrading street lighting stock, or an infrastructure developer with a lighting condition attached to a development consent, our highway lighting design service is built around one outcome: a design and documentation package that passes technical review the first time it's submitted
HLS Consultants is a design-only lighting consultancy — we do not supply luminaires and we do not carry out installation, electrical connection works, or statutory/permit approval submissions. What we deliver is the technical backbone of a compliant highway or street lighting scheme: the design, the calculations, the verification, and the documentation your team, contractor, or authority needs to move a scheme forward.
Our highway lighting design service covers motorways, trunk roads, local highway networks, signalised and non-signalised junctions, roundabouts, and transport corridors — for both new build schemes and retrofit or upgrade projects, including lighting replacement, LED conversion, and reclassification of existing highway infrastructure. This makes the service equally relevant whether you're lighting a greenfield road scheme from scratch or bringing an ageing lighting network up to current classification requirements.
Highway lighting is not a discretionary design exercise — it's a regulated engineering discipline governed by classification standards that determine minimum lux levels, uniformity ratios, and glare control for every category of road, junction, and traffic environment. Get the classification wrong, and the scheme either under-delivers on driver and pedestrian safety or over-delivers on cost, energy consumption, and light pollution. Get the documentation wrong, and a scheme that's technically sound on paper can still stall at review stage, costing weeks in resubmission cycles.
This is the gap a specialist highway lighting design consultancy closes. Rather than treating lighting as an add-on to the wider civil or highway engineering package, HLS Consultants designs and verifies the lighting scheme as its own discipline — calculated correctly the first time, documented to the format your reviewing authority or Tier 1 contractor actually expects, and coordinated with the road geometry, junction layout, and adjacent infrastructure it needs to sit alongside.
Highway lighting design work generally falls into one of two categories, and the starting point for each is different. New build schemes — a new road, a new junction, a new transport corridor — start from a clean design brief, where column positions, spacing, and classification are determined from the road geometry itself. Retrofit and upgrade schemes start from an existing installation, often one that predates current classification standards or LED technology, and the design work has to reconcile the existing column and cable infrastructure with the lighting levels the current standard requires.
HLS Consultants designs for both. On new build schemes, we work from your survey data and road geometry to build the lighting layout from first principles. On retrofit and upgrade schemes — including LED conversion projects and classification reviews of ageing street lighting stock — we design around the existing infrastructure footprint wherever possible, flagging where a change in column position or spacing is genuinely required by the calculation rather than defaulting to a full network redesign.
Highway and street lighting schemes tend to run into the same handful of problems, regardless of region. A scheme is designed to the wrong classification for its road category, and the error isn't caught until a technical reviewer flags it. A retrofit scheme reuses existing column spacing without recalculating uniformity, and the result under-delivers on the new standard's requirements. A submission is documented in a format the reviewing authority or Tier 1 contractor doesn't recognise, creating delay that has nothing to do with the underlying design quality.
Each of these is a process failure, not a technical one — and each is avoidable with a design process that calculates before it draws, verifies before it submits, and documents to the format the receiving party actually expects. That's the process HLS Consultants applies to every highway and street lighting scheme, regardless of scale or region.
Every highway and street lighting scheme we design follows the same structured, verifiable process — from the survey data you provide through to a fully checked documentation package ready for submission.
You supply topographical and GPR survey data for the scheme. We carry out desktop assessment using aerial and mapping data to confirm road geometry, junction layout, and existing infrastructure — no site visit is required from HLS directly. This keeps the design process fast to start and easy to run alongside your own team’s workload.
Photometric calculations are carried out first, using Lighting Reality and DIALux, to establish the lux levels, uniformity, and glare control required for the scheme’s classification. Only once the calculation is correct do we develop the column layout, spacing, and lighting plan in CAD and BIM — coordinated to the scheme’s road geometry and classification requirements. Calculating before modelling means the drawing reflects a design that’s already been verified, not one that’s checked after the fact.
Fixture and luminaire specification is selected to meet the required lux levels and uniformity under BS EN 13201 and BS 5489-1, balancing compliance with realistic column spacing and energy efficiency — rather than defaulting to an over-specified fixture count.
Calculations and layout are checked against the governing standard for your region — DMRB and MCHW for UK highway schemes, or TII’s DN-LHT-03038 for Irish highway schemes — and cross-checked against ILP (Institution of Lighting Professionals) guidance before issue. This verification step happens before the scheme is submitted, not after a rejection comes back.
The final documentation package is issued in CAD files, PDF documentation, and inventory/schedule data in spreadsheet format — structured to be used directly in your submission or construction process, without your team needing to reformat or rebuild it first.
HLS Consultants designs to the specific classification and documentation standards each region requires, rather than applying a single generic standard across every market:
Confirming the governing standard set with you at the outset of every engagement means there's no ambiguity later — the scheme is designed once, to the right standard, rather than adjusted after a reviewer flags the wrong classification basis.
Our work reaches us through several different routes, and we structure the engagement around how you actually need to use the output.
We provide overflow highway lighting design capacity on live DMRB, MCHW, and DN-LHT-03038 schemes — junction relighting, trunk road upgrades, or classification reviews that your own team doesn’t currently have the bandwidth to take on internally, delivered to the same standard your team would apply if resourced to do it in-house.
Highway lighting design is bundled into a wider highway construction contract, sequenced to your build programme rather than delivered as a disconnected workstream that has to be chased separately from the rest of the infrastructure package.
Highway lighting design is bundled into a wider highway construction contract, sequenced to your build programme rather than delivered as a disconnected workstream that has to be chased separately from the rest of the infrastructure package.
We support replacement and upgrade of ageing street lighting stock — legacy column replacement, LED conversion, and classification review — packaged in a format built for straightforward technical sign-off within your own approval process.
We support replacement and upgrade of ageing street lighting stock — legacy column replacement, LED conversion, and classification review — packaged in a format built for straightforward technical sign-off within your own approval process.
Where highway lighting design is required as a condition of a wider development consent, we deliver the design and documentation tied to the access road, junction, or infrastructure improvement works the consent depends on.
Where highway lighting design is required as a condition of a wider development consent, we deliver the design and documentation tied to the access road, junction, or infrastructure improvement works the consent depends on.
We provide overflow highway lighting design capacity on live DMRB, MCHW, and DN-LHT-03038 schemes — junction relighting, trunk road upgrades, or classification reviews that your own team doesn’t currently have the bandwidth to take on internally, delivered to the same standard your team would apply if resourced to do it in-house.
UK schemes are designed to DMRB and MCHW alongside BS 5489-1 and BS EN 13201. Irish schemes follow TII's DN-LHT-03038. Middle East schemes are calculated to BS EN 13201 classification principles and coordinated with the relevant local Road and Transport Authority's requirements. We confirm the governing standard set with you at project kickoff so there's no ambiguity at review stage.
We work from client-supplied topographical and GPR survey data, plus desktop assessment using aerial and mapping data. Where a physical survey or site visit is genuinely needed for a particular scheme, we coordinate it through our delivery partners in the UK and Ireland on a chargeable basis, rather than leaving it as a gap in the process.
We're a design consultancy — fixture supply, installation, electrical connection works, and statutory or permit submissions sit outside our scope. What you receive is CAD files, PDF documentation, and inventory/schedule data in spreadsheet format, structured to be submission-ready rather than something your team needs to rebuild first.
Every scheme is calculated and verified against the relevant classification — BS EN 13201, plus DMRB/MCHW, DN-LHT-03038, or the applicable Middle Eastern authority requirement — and cross-checked against ILP guidance, before it's issued. That verification happens before submission, not after a rejection comes back.
Most commonly it's capacity, not capability — a live scheme needing additional design bandwidth without diverting your own team from other work. We design to the same standards your in-house team would apply, and can plug into your process as embedded design support rather than a separate workstream.
This service covers lighting design only. Feeder pillars, power network layout, and the wider electrical infrastructure feeding the scheme sit under our Highway Electrical Design service, which we can scope alongside this one if your project needs the full package.
Yes. Because we design each section to its own governing standard — DMRB/MCHW where the scheme sits in the UK, DN-LHT-03038 where it sits in Ireland — a scheme that crosses regions is handled as two correctly-classified designs joined at the boundary, rather than one standard stretched across both.
Partner with HLS Consultants for expert lighting design, backed by electrical design and CAD/BIM expertise.
Partner with HLS Consultants for expert lighting design, backed by electrical design and CAD/BIM expertise.
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