- Company number
- 16593744
- Incorporated
- 20 Jul 20251 year trading
- Registered office
- 56 Eastleigh Avenue, Harrow, HA2 0UG
- Nature of business
- Construction of domestic buildings; Plastering; Painting; Other specialised construction activities n.e.c.
I.M.M Construction Ltd is a 1-year-old private limited company registered in Harrow, company number 16593744, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 20 April 2027, and its first CT600 is due at HMRC on 19 July 2027.
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 I.M.M Construction Ltd is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 0UG on a map.
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- Neon Systems LtdElectricians
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Also registered at this address
1 other company uses the same registered office as I.M.M Construction Ltd.
- I.N.M Construction LtdBuilders
What happens if I.M.M Construction 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 20 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Apr 2027 to 20 May 2027 | £150 |
| 1 to 3 months late | 21 May 2027 to 20 Jul 2027 | £375 |
| 3 to 6 months late | 21 Jul 2027 to 20 Oct 2027 | £750 |
| More than 6 months late | From 21 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2028 | 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
- 16593744
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2025 (1 year ago)
- Registered office
- 56 Eastleigh Avenue, Harrow, HA2 0UG
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plastering (SIC 43310)
Painting (SIC 43341)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Harrow
Other active building contractors registered in Harrow.
- I.N.M Construction Ltd2024
- Ia Construction Ltd2024
- Ian Constructions Ltd2022
- Iatec Ltd2026
- Ic Builders Ltd2020
- Icc Global Ltd2013
- Icms Services Ltd2021
- Ido Build Ltd2021
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are I.M.M Construction Ltd's accounts due?
I.M.M Construction Ltd's next accounts are due at Companies House by 20 April 2027 (in 189 days), covering the period to 31 July 2026.
When is I.M.M Construction 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 19 July 2026, due by 19 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is I.M.M Construction Ltd still trading?
I.M.M Construction 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 I.M.M Construction Ltd do?
I.M.M Construction Ltd is registered under Construction of domestic buildings (SIC 41202); Plastering (SIC 43310); Painting (SIC 43341); Other specialised construction activities n.e.c. (SIC 43999).
How old is I.M.M Construction Ltd?
I.M.M Construction Ltd was incorporated on 20 July 2025, 1 year ago.
What is the penalty if I.M.M Construction 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 I.M.M Construction 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.