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Specvo
Live demoValidated against the official Elmhurst SAP 10 round-trip

See Specvo on a real assessment

A detached bungalow at 55 St Marks, BS10 6TS (Bristol). Real PDFs in, real SAP 10.2 XML out. No sign-up to look around.

Start on a real project →

01 — File pack uploaded

Floor plans, elevations, spec, U-value PDFs.

  • Task 5 Ground Floor.pdf· Floor plan
    1.4 MB
  • Task 5 Elevation.pdf· Elevations
    0.9 MB
  • Task 5 Section.pdf· Section
    0.6 MB
  • Task 5 Specification.docx· Spec
    0.4 MB
  • main wall U value.pdf· U-value
    0.3 MB
  • roof U value.pdf· U-value
    0.2 MB

02 — Materials check

Hard blockers, SAP defaults to confirm, and improvements before you waste time running.

0 blockers2 SAP defaults1 improvements
  • Boiler manufacturer + model not in spec — flagged 'tbc' for OCDEA review
  • Garage wall U-value supplied separately — wired through buildup bridge
  • Confirm pressure test date (Q50) once on-site test scheduled

03 — Field review

Confidence-scored fields with source links back to the PDF page. This is the surface you'll spend 15 minutes on instead of 4 hours.

Total floor areaFrom materials

59.15 m²

Source · Ground floor plan · 1:50

External wall (cavity)From materials

59.64 m² · AAC block + dense plaster · κ=70

Source · Spec WT-A + main wall U-value PDF

Roof (insulated at ceiling)From materials

U = 0.10 W/m²K

Source · roof U value.pdf

Opening: front door (south)Needs review

1.89 m² · solid door · U=1.6

Source · Elevations · S facade

Window areas (4 facades)From materials

12.16 m² total · all single-pane gone

Source · Elevations × 4

Main heating fuelAI auto

MainsGas

Source · Spec p.4 · combi callout

Thermal bridgesAI auto

8 junctions · y = 0.149 W/m²K

Source · ACD evidence inferred

04 — SAP 10.2 XML for Elmhurst

Round-trip validated — Elmhurst Design SAP 10 imports this file directly, no manual re-key.

Main heating
MainsGas combi (manufacturer tbc)
External wall
Cavity, AAC block + dense plaster, κ=70
Roof
Plaster, insulated at ceiling, U=0.10
Openings total
13.85 m²
Thermal bridge junctions
8

Validated against 5 real OCDEA assessments

Bungalows, houses, flats — detached, semi, end-terrace, mid-terrace. Every task round-trip-tested against Elmhurst Design SAP 10.

  • Task 5 · Bungalow · Detached · Bristol
  • Task 6 · Bungalow · SemiDetached · Sheffield
  • Task 7 · Flat · SemiDetached · UK
  • Task 8 · House · Detached · UK
  • Task 9 · House · SemiDetached · UK

This is what your project will look like

Free during private beta — looking for OCDEAs to try this on a real assessment and tell us what's broken. Lifetime discount when we exit beta.

Start an assessment →Pricing