SUNDAE
Your energy upgrade, made simple

Project Dashboard

Everything SUNDAE is coordinating on your behalf: permits, contractors and subsidies in one place.

Week 3 of 18 · On track
Project TimelineJun – Nov 2026
✓
Expert call & site assessment
15 – 16 June
✓
Project plan approved by Jan
19 June
✓
ISDE subsidy application submitted
28 June
Round closes 31 Dec
●
Heat pump permit · Gemeente Amsterdam
Submitted 30 June · decision due 28 July
In progress
5
Cavity wall insulation works
21 July · Van der Berg Isolatie
6
Hybrid heat pump installation
Late Aug – Sep
7
HR++ glazing
October
8
Final inspection & subsidy claim
November · new label registered
Claim by 31 Dec
Live Status FeedUpdated just now
Bid received: Amstel Warmtetechniek, €8,350 for the hybrid heat pump (install + commissioning).
Today · 09:14
Under budget
Permit pending: Gemeente Amsterdam confirmed receipt of the heat pump application. Decision window: 4 weeks.
Today · 08:02
Awaiting municipality
Works scheduled: Van der Berg Isolatie confirmed for 21 July, 08:00. First-floor tenant notified.
Yesterday · 16:31
Subsidy filed: ISDE application for insulation + heat pump (est. €3,300) lodged with RVO. Ref: ISDE-26-48812.
28 Jun · 11:45
Filed by SUNDAE
Site assessment complete: cavity width 6 cm, suitable for bead insulation. Photos added to documents.
24 Jun · 14:20
Plan approved: Jan signed off on the 3-measure plan. Phase 2 coordination activated.
19 Jun · 10:05
Contractor BidsVetted & insured · 3 of 3 invited
Van der Berg Isolatie
Cavity wall insulation · Amsterdam
✓ Selected
Bid
€3,150
Rating
★ 4.8
Start
21 Jul
"Done in a day, zero mess, and the house was noticeably warmer that same winter." Landlord, Amsterdam-Zuid
020 – 555 0182 offerte@vdberg-isolatie.nl
Amstel Warmtetechniek
Hybrid heat pump · Amstelveen
Bid received
Bid
€8,350
Rating
★ 4.7
Lead time
6 wks
"They handled the permit paperwork themselves and the unit runs whisper-quiet." Homeowner, Amstelveen
020 – 555 0347 planning@amstelwarmte.nl
GlasWerk Noord
HR++ glazing · Zaandam
Awaiting bid
Bid
—
Rating
★ 4.6
Quote due
11 Jul
"Careful with the original window frames — exactly what you want in a canal house." Landlord, Haarlem
075 – 555 0291 info@glaswerknoord.nl
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