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Retrofit calculator · Live
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assetcentral.ai Real estate Office Retrofit Cost

Office Retrofit Cost Estimate
Zoned cost-plan, per floor or wing.

Context-aware to your inputs · ⚠ Add your API key to enable
~10 minFirst-pass cost-plan
Per zoneFloor / wing / tenancy
Cat A & BStructural · M&E · fit-out · FF&E
BenchmarkedSCSI · Buildcost · T&T · JLL
Local-onlyNo data leaves your browser

📦 Export refurbishment summary

Asset-manager handover packs — all generated in your browser, no data leaves the page.

Include drawing categories:
Include building-wide areas:

AI executive summary — for IC papers · embedded in PPT cover, Word intro & PDF preface

No executive summary yet. Click Generate for a Claude-written 2–3 paragraph IC-ready summary, or write one yourself.

Scope & layout summary — sits between Existing layout and Proposed changes in PPT / Word / PDF

No scope summary yet. Click Generate for a Claude-written narrative explaining what's changing from existing to proposed layout, or write one yourself.
📂 Saved buildings (stored in your browser, this device only)

1 Building basics

One set of inputs that applies to the whole building.

📋 Populate from building summary

Paste a property description, asset summary or valuation note. The parser pulls out name, address, owner, GIA, NIA, parking, plot size, year built, headcount and infers location.

Identity

Embedded onto the PDF cover and the share / docx exports. Stored in your browser only.

☎ Contact

Printed on the PDF cover-page contact card alongside owner & date.

Person to reach about this analysis.
Direct line printed under the name.
Email shown on the cover and in the PDF footer.

Where & how old

Overall areas (m²)

📊 Floor schedule

Add zones below to see the per-floor area summary.

Drawings & visualisations

Upload by category — existing-layout drawings, proposed/future layouts, renders & visualisations, and any other supporting documents. All categories are bundled into PowerPoint and Word exports.

📐 Existing layout (2D) floor plans, sections, elevations as-is
📋 Proposed / future layout (2D) re-planned floors, post-refurb layouts
🎨 Renders & visualisations 3D renders, mood boards, finish proposals
📑 Other documents surveys, reports, BER certs, due-diligence

2 Building-wide works & costs

Items that apply to the whole building rather than a specific floor — signage, ESG retrofits, external envelope and landscaping. Reception is now per-zone (typically set on the ground floor).

Signage & wayfinding

Building-wide signage / wayfinding
~€50/m² across whole-building GIA

ESG retrofits

Solar PV array on roof
~50 kWp typical, ~€75k
EV charging at car park
~€4k per bay (4 bays default if yes)

External envelope — Window replacement & roof

Standalone window-unit replacement and roof works. Facade breakdown is below.

~€700/m² double/triple glazing
~€95/m² insulation, membrane

Facade works — itemised

Pick the facade scopes that apply. Each line is m² of that element. Rates editable in the Rate library.

~€450/m²
~€150/m²
~€250/m²
~€700/m²
~€25/m²
Facade subtotal: €0

Landscaping & external grounds — itemised

Include landscaping & external works
When on, the breakdown below is included in cost
~€40/m² planting, lawn, beds
~€120/m² paving, walkways
~€25/m² lit area
~€200/lin m
~€15k each — seating, bin/cycle store
Landscape subtotal: €0

3 Market spec & rate library Medium · market mid

Pick a market spec band to bulk-set every rate, or edit individual rates below. Rates drive every cost in the model — change them here once and the whole calculator follows.

All rates at market default
📖 View / edit individual rates (50+ items)

Edit any number to override; affected rows highlight amber. Defaults from Buildcost / SCSI 2025 / Turner & Townsend. Use presets above to bulk-rescale.

Per-m² works rates (€/m²)

Per-room costs (€ each)

Toilet & welfare unit costs (€ each)

Reception scope & building items

Fixtures & fittings unit costs (€ each)

4 Zones (floors / wings / tenancies)

Add a zone for each floor or section that has a different scope. Refurb on each can vary.

5 Building-wide assumptions

Soft costs & risk loadings applied on top of the net works total. Adjust if your local market norms differ.

6 Output · Live cost summary

Recalculates as you edit. All values are mid-case, ex-VAT. Range is ±25% (proposal stage).

All-in mid-case (whole building, ex-VAT)
€—
— to — range
€— per m²
Proposal stage · ±25% confidence
Building density
— m²/person
— m² total · — people

By main cost category

Zone breakdown

Zone€/m²Cost
AI summary
Add zones and answer the questions to generate commentary.

Top cost drivers (whole building)