Room-by-room measurements, visible construction assumptions and organised evidence for installer teams designing heat-pump systems.
Based in Doncaster · reports from £150 · measured and desktop routes · full UK coverage.
Send the postcode and available drawings. We will confirm whether the job needs a visit, the expected turnaround and the final price before booking.
Doncaster contains older terraces, former mining estates, mid-century semis, bungalows and newer developments, often within a short drive of one another. A local calculation has to reflect the property in front of us rather than rely on the town name alone.
Census 2021 recorded 90.7% of Doncaster households living in a house or bungalow. The council's housing study found semi-detached homes were the largest group at 38.1%, followed by terraces at 24.8%, bungalows at 15.6% and detached homes at 13.8%.
That mix matters because party walls, exposed surfaces, roof form and floor construction change from one property type to the next.
Council data shows 14.2% of homes were built before 1919, 22.4% between 1919 and 1944, and 21.6% between 1945 and 1964. Property age is only the starting point: extensions, replacement windows and later insulation work still need checking.
Central Doncaster, Hexthorpe and parts of Balby contain denser terraced streets. Bentley, Armthorpe, Rossington, Stainforth, Edlington, Askern and Moorends include substantial areas of housing developed around former mining communities. Bessacarr, Sprotbrough, Tickhill and Finningley include more detached homes, while Lakeside and the Great Yorkshire Way corridor add newer houses and apartments.
Local sources: Doncaster Housing Need Study · Census 2021 housing briefing.
This two-storey Doncaster property had seven surveyed rooms, seven windows and a single-storey rear kitchen extension. The main house was recorded as 1930-1949 cavity-wall construction.
The extension's roof, floor and insulation assumptions were documented separately from the 1930s main house. The installer can therefore check which inputs apply before emitter and heat-pump sizing begins.
The report is built for the designer who has to check the inputs, understand the assumptions and use the figures for emitter and heat-pump sizing.
Wall, floor, roof and glazing assumptions are shown rather than hidden behind the final kW figure. Extensions and mixed construction are recorded separately where the evidence supports it.
If something cannot be confirmed on site or from the supplied documents, it is identified as an assumption for review.
Vertex is based in Doncaster, but the district stretches well beyond the city centre. Travel is confirmed from the actual postcode so the diary reflects the job rather than a broad city label.
The A1(M), M18 and M180 support regional appointments, while the A630, A6182, A19, A638 and A18 connect the city with surrounding settlements. Disruption on the main routes can quickly affect local traffic, so travel time is allowed for when the booking is confirmed.
Appointments in Thorne, Moorends, Bawtry, Finningley, Askern, Conisbrough and the western side of the district are planned as distinct routes. Nearby Worksop surveys are grouped separately rather than treated like short city-centre calls.
When checked on 14 July 2026, a directory using MCS data listed 138 certified air-source heat-pump installers within 30 miles of Doncaster. That is a regional catchment rather than 138 firms based in the city, but it shows the scale of the installer market that can use independent survey capacity.
Travel and installer sources: City of Doncaster Council · installer-directory snapshot · official MCS search. Nearby Vertex pages: Goole, Selby, Rotherham and Sheffield.
The report records room dimensions, exposed surfaces, glazing, construction and insulation assumptions, ventilation inputs, existing emitters and the resulting room-by-room figures. Supporting evidence is organised for installer review.
Yes, when the drawings and construction information are complete enough to support a desktop calculation. A measured visit is the safer route when dimensions, extensions or insulation details are uncertain.
Vertex is based in Doncaster and covers the city, surrounding DN postcodes and installer projects throughout the UK. Timing and travel are confirmed from the job postcode before booking.
Still checking scope? See the full FAQ or contact Vertex with the postcode and available property information.
The final quote depends on the evidence available, whether a measured visit is required and the property scope.
For a standalone calculation where the drawings, measurements or survey evidence support the route.
For installer teams that need fresh site evidence and the room-by-room calculation together.
Scope, travel and timing are confirmed from the postcode and available evidence before the diary is committed. For the full service route, see the UK heat loss survey page.