- Company number
- 11794064
- Incorporated
- 29 Jan 20197 years trading
- Registered office
- 85 Long Elmes, Harrow, England, HA3 5LE
- Nature of business
- Construction of commercial buildings
Colin Dinham Plasterer Limited is a 7-year-old private limited company registered in Harrow, company number 11794064, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £3,998 (+27.4%) on the year before, to £19K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £30K against £21K owed within a year: 1.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £19K | £30K | £21K | 0 | |
| 31 Jan 2025 | £15K | £23K | £27K | £17K | 1 |
| 31 Jan 2024 | £16K | £8,775 | £9,625 | £6,500 | 0 |
| 31 Jan 2023 | £8,540 | £17K | £22K | £5,200 | 0 |
| 31 Jan 2022 | £38K | £7,957 | £7,957 | 1 | |
| 31 Jan 2021 | £21K | £17K | £17K | £8,500 | 1 |
| 31 Jan 2020 | £50K | £20K | £20K | £1,250 | 1 |
Where Colin Dinham Plasterer Limited is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 5LE on a map.
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- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
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What happens if Colin Dinham Plasterer Limited 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11794064
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2019 (7 years ago)
- Registered office
- 85 Long Elmes, Harrow, England, HA3 5LE
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 14 January 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.
- Completehome Projects Ltd2022
- Concord Homes Ltd2017
- Constructhub Limited2023
- Corlona Ltd2019
- Cornea Drylining Ltd2016
- Cospark Limited2026
- Costa Painting Ltd2024
- Costy Building Ltd2024
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Colin Dinham Plasterer Limited's accounts due?
Colin Dinham Plasterer Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Colin Dinham Plasterer Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Colin Dinham Plasterer Limited still trading?
Colin Dinham Plasterer Limited 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 Colin Dinham Plasterer Limited do?
Colin Dinham Plasterer Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Colin Dinham Plasterer Limited?
Colin Dinham Plasterer Limited was incorporated on 29 January 2019, 7 years ago.
What is the penalty if Colin Dinham Plasterer Limited 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 Colin Dinham Plasterer Limited 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.