CalonTerra rapid response drone survey unit vehicle in South Wales landscape

Drone Survey Coverage Areas
& Travel Rates.

Local Roots. National Reach.
Rapid residential response across South Wales & M4 Corridor.
Strategic commercial deployment UK-wide.

Deployment Zones & Pricing

We calculate travel costs transparently from our HQ in Pontypool (NP4).

🟢 Zone A: Primary (Local)

Radius: 0 - 20 Miles

The core operational zone. Residential and Commercial surveys incur Zero Travel Costs.


  • • Pontypool & Cwmbran
  • • Newport & Cardiff (East)
  • • Abergavenny & Usk

🟡 Zone B: National (UK Wide)

Radius: 20+ Miles

We deploy anywhere in the UK. A standard travel rate (£0.50/mile) is automatically added to your quote.


  • • Bristol & South West
  • • Midlands & Birmingham
  • • London & The North

*For residential jobs >50 miles, please check if the travel cost fits your budget before booking.

Operational Command: Pontypool (NP4) | Active Range: UK Wide Deployment

Residential Coverage: Town by Town

Every town below has its own survey page. Roof stock, prevailing weather, airspace restrictions and access problems change from one valley to the next, so each page covers what actually matters in that area rather than repeating a generic pitch. Pick your town for local detail, or call us on 07446 189746 if you are not sure which applies.

Torfaen — NP4 & NP44

Our operational base. Zero travel cost and, in most weeks, a same-week slot.

  • TorfaenCounty-wide cover from the Pontypool HQ, spanning Cwmbran's concrete interlocking tiles and Blaenavon's heritage slate.
  • PontypoolVictorian terraces and the valley-side homes around Snatchwood, where scaffold access is the single biggest cost on a conventional survey.
  • Cwmbran & LlantarnamHigh-density retail and commercial units, flown under A2 CofC authorisation for operations close to people and property.
  • BlaenavonSteep upland properties in Blaenavon, Garndiffaith and Abersychan, weather-exposed at over 300 metres.

Newport & Western Valley

Zero travel cost across every NP postcode.

  • NewportLeak, chimney and storm damage surveys across Maindee and the wider city.
  • CaerleonListed and conservation-area property in NP18, where non-invasive evidence carries the most weight with planners.
  • Rogerstone & BassalegNew-build snagging around Jubilee Park, plus thermal audits of roof-mounted solar in NP10.
  • Gold TopsForensic audits for the offices and period buildings of Newport's NP20 professional district.
  • RiscaWestern Valley terraces taking in Risca, Pontymister and Crosskeys.
  • CrumlinForty-five degree valley slopes and industrial heritage sites around Crumlin and Newbridge.

Monmouthshire & Wye Valley

Rural estates, listed stonework, and river-valley damp.

  • AbergavennyListed stone cottages and Georgian townhouses across NP7 and Llanfoist, surveyed to conservation-area requirements.
  • MonmouthTimber-framed riverside homes in Monmouth and Trellech, where the damp source is usually invisible from ground level.
  • Usk & RaglanBarns, silos and agricultural estates in NP15 — a full farm complex audited in roughly twenty minutes.
  • ChepstowHistoric and riverside roofs in NP16, plus the rural estates on the English border.

Blaenau Gwent & Heads of the Valleys

The steepest terrain and the hardest wind we work in.

  • AbertilleryExtreme-slope terraces where the camera can see into the hidden valley between roof runs — a view no ladder reaches.
  • Blaina & NantygloSteep valley terraces and commercial property in NP13, including right-to-light surveys.
  • BrynmawrUpland property at the top of the Heads of the Valleys, in NP23.
  • Ebbw ValeISO 19650-compliant inspections for The Works regeneration and Rassau Industrial Estate, plus post-warranty gutter audits.
  • TredegarTredegar, Sirhowy and Trefil, flown on enterprise hardware rated for wind shear above 45 mph.

Caerphilly & Rhymney Valley

Terraced valley stock, surveyed without street permits or road closures.

  • CaerphillySteep terraced roofs across Caerphilly, Pontypridd and Ystrad Mynach, with no street permit required.
  • BlackwoodVictorian terraces in NP12 and Ystrad Mynach — Trace and Access evidence without an £800 cherry picker hire.
  • Bedwas & TrethomasResidential and industrial property throughout CF83.
  • Machen & DraethenRiverside and mountain-shadow properties in CF83, where roofs stay wet longest and moss does the most damage.

Cardiff & Vale of Glamorgan

Coastal exposure, salt corrosion, and airport airspace to clear.

  • CardiffInsurance-approved leak detection and chimney surveys in Roath, Canton, Cyncoed and Cardiff Bay.
  • PenarthVictorian villas and seaside heritage property in CF64, including the exposed roofs above Penarth Head.
  • BarrySalt-air corrosion across CF62 and CF63, with Cardiff Airport's controlled airspace checked against your exact address before we quote.
  • CowbridgePremium estates and period property through the Vale.
  • Vale of GlamorganCounty-wide storm damage and salt corrosion work spanning Cowbridge, Penarth and Barry.

Bristol & the Severn Crossing

Zone B travel applies here, and the total still comes in under scaffolding hire.

  • BristolCity-wide surveys taking in Clifton, Redland, Bedminster and Filton.
  • CliftonGrade-listed Georgian and Victorian property inside the BS8 conservation areas.
  • Redland & CothamVictorian villas and heritage homes across BS6.
  • Bedminster & SouthvillePeriod terraces along the dense BS3 urban corridor.

Not listed?

The town pages cover where we fly most often, not the limit of where we fly.

We survey anywhere in the UK, and the towns without a dedicated page are quoted exactly the same way — a fixed price from our Pontypool base with travel itemised separately, so you see the whole figure before committing. Merthyr Tydfil, Bridgend, Caldicot, Hereford and Gloucester come up regularly and are handled as routine local work.

Get a Fixed-Price Quote →

What every survey includes

Identical deliverable in every town on this page.

  • 4K annotated condition reportA PDF identifying each defect, its location on the roof, and what it means for the structure.
  • No scaffolding or access hireThe survey is flown from ground level, so no permits are arranged and nobody walks on your roof.
  • Insurance and lender readyDate-stamped imagery suitable for storm damage claims and specialist roof reports demanded before a retention is released.
  • See a real sample reportA genuine annotated survey, no sign-up needed.

Commercial National Deployment

Infrastructure & Development projects supported UK-wide.

South West

Regular deployment corridor via M4/M5.

  • • Bristol (Avonmouth/Clifton)
  • • Gloucester & Cheltenham
  • • Swindon & Wiltshire
  • • Weston-super-Mare

Midlands

Central hubs for logistics/industrial.

  • • Birmingham & Solihull
  • • Coventry
  • • Worcester
  • • Hereford

London & South

Major infrastructure projects.

  • • Reading & M4 Corridor
  • • West London
  • • Oxford
  • • Southampton

"For commercial contracts, accommodation and subsistence are included in the project estimate for multi-day deployments."

Get Commercial Rates

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