- Company number
- NI042972
- Incorporated
- 24 Apr 200224 years trading
- Registered office
- 52 Moss Bank Road, Ballynagarrick, Portadown, Co Armagh, BT63 5SL
- Nature of business
- Construction of commercial buildings
Mervyn Clayton Developments Limited is a 24-year-old private limited company registered in Portadown, company number NI042972, one of 9 building contractors in Portadown. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 30 December 2026 is due at HMRC on 30 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Mervyn Clayton Developments LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £31K (+10.5%) on the year before, to £324K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £392K against £61K owed within a year: 6.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £324K | £392K | £61K | 2 | |
| 31 Dec 2024 | £293K | £321K | £25K | 2 | |
| 31 Dec 2023 | £295K | £313K | £17K | 2 | |
| 31 Dec 2022 | £303K | £321K | 2 | ||
| 31 Dec 2021 | £278K | £322K | £46K | 2 | |
| 31 Dec 2020 | £278K | £351K | £77K | 2 | |
| 31 Dec 2019 | £281K | £340K | £68K | 2 | |
| 31 Dec 2018 | -£284K | -£337K | £47K | 2 | |
| 31 Dec 2017 | -£285K | -£327K | £37K | 2 | |
| 31 Dec 2016 | £292K | £371K | £76K |
Where Mervyn Clayton Developments Limited is registered
The registered office is in Portadown (BT63), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT63 5SL on a map.
Other trade companies in BT63
- Johnston Group Holdings LimitedMotor traders
- Lunamaxtiling LimitedBuilders
- Renovation Squad LtdSpecialist contractors
- Parkstown Developments LtdInstallers
- New Leaf Tree Services LtdLandscapers and gardeners
- Sustar Developments No2 LtdProperty developers
- Nivs (Craigavon) LimitedMotor traders
- Darren Vogan LtdPlumbers and heating engineers
What happens if Mervyn Clayton Developments 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2027 | £200 |
| 3 months late | 30 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 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
- NI042972
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 April 2002 (24 years ago)
- Registered office
- 52 Moss Bank Road, Ballynagarrick, Portadown, Co Armagh, BT63 5SL
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 24 April 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 Portadown
Other active building contractors registered in Portadown.
- Sapphire Contracts Limited2022
- B & P McMahon Bros Ltd2014
- C.C. & D. Properties Ltd2001
- Cox Contracts Ltd2007
- DBL Donnelly Building Ltd2014
- Lisburn Astral Limited2001
- Lynhill Properties Limited2007
- Martello (Holywood) Limited2025
All building contractors in Portadown · All trades in Portadown · Builders across the UK
Frequently asked questions
When are Mervyn Clayton Developments Limited's accounts due?
Mervyn Clayton Developments Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 30 December 2026.
When is Mervyn Clayton Developments Limited's CT600 due?
The CT600 for the period to 30 December 2026 is due at HMRC by 30 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Mervyn Clayton Developments Limited still trading?
Mervyn Clayton Developments 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 Mervyn Clayton Developments Limited do?
Mervyn Clayton Developments Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Mervyn Clayton Developments Limited?
Mervyn Clayton Developments Limited was incorporated on 24 April 2002, 24 years ago.
What is the penalty if Mervyn Clayton Developments 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 Mervyn Clayton Developments 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.