- Companies
- Installers
- Harrow
- Ilt Building Solutions Ltd
Ilt Building Solutions Ltd
- Company number
- 17234358
- Incorporated
- 21 May 2026
- Registered office
- C/O KP & Co Avanta House, 79 College Road, Harrow, Middlesex, HA1 1BD
- Nature of business
- Other construction installation; Plastering; Other building completion and finishing; Other specialised construction activities n.e.c.
Ilt Building Solutions Ltd is a newly incorporated private limited company registered in Harrow, company number 17234358, one of 130 installation companies (insulation, lifts, shutters and similar) in Harrow. Its next accounts are due at Companies House on 21 February 2028, and its first CT600 is due at HMRC on 20 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Ilt Building Solutions Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BD on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
1 other company uses the same registered office as Ilt Building Solutions Ltd.
- Lotus Design & Build LtdProperty developers
What happens if Ilt Building Solutions Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 21 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Feb 2028 to 21 Mar 2028 | £150 |
| 1 to 3 months late | 22 Mar 2028 to 21 May 2028 | £375 |
| 3 to 6 months late | 22 May 2028 to 21 Aug 2028 | £750 |
| More than 6 months late | From 22 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 17234358
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 2026
- Registered office
- C/O KP & Co Avanta House, 79 College Road, Harrow, Middlesex, HA1 1BD
- Nature of business
- Other construction installation (SIC 43290)
Plastering (SIC 43310)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Harrow
Other active installation companies (insulation, lifts, shutters and similar) registered in Harrow.
- Iv17 Interiors Ltd2020
- JD Well Limited2013
- Jee Services Ltd2026
- JMJ PVT Ltd Limited2026
- JN Constructions Ltd2026
- JSN Property Services Ltd2024
- Just Easy Bathing Ltd2019
- Kanvi Property Maintenance Limited2025
All installation companies (insulation, lifts, shutters and similar) in Harrow · All trades in Harrow · Installers across the UK
Frequently asked questions
When are Ilt Building Solutions Ltd's accounts due?
Ilt Building Solutions Ltd's next accounts are due at Companies House by 21 February 2028 (in 496 days), covering the period to 31 May 2027.
When is Ilt Building Solutions Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 May 2027, due by 20 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ilt Building Solutions Ltd still trading?
Ilt Building Solutions Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Ilt Building Solutions Ltd do?
Ilt Building Solutions Ltd is registered under Other construction installation (SIC 43290); Plastering (SIC 43310); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Ilt Building Solutions Ltd?
Ilt Building Solutions Ltd was incorporated on 21 May 2026, less than a year ago.
What is the penalty if Ilt Building Solutions Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Ilt Building Solutions Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.