- Companies
- Property developers
- Londonderry
- Source Maintenance Solutions Limited
Source Maintenance Solutions Limited
- Company number
- NI736642
- Incorporated
- 4 Jan 2026
- Registered office
- 83 Killunaght Road, Dungiven, Londonderry, BT47 4TU
- Nature of business
- Development of building projects
Source Maintenance Solutions Limited is a newly incorporated private limited company registered in Londonderry, company number NI736642, one of 79 property development companies in Londonderry. Its next accounts are due at Companies House on 4 October 2027, and its first CT600 is due at HMRC on 3 January 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 Source Maintenance Solutions Limited is registered
The registered office is in Londonderry (BT47), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT47 4TU on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
What happens if Source Maintenance Solutions 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 4 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Oct 2027 to 4 Nov 2027 | £150 |
| 1 to 3 months late | 5 Nov 2027 to 4 Jan 2028 | £375 |
| 3 to 6 months late | 5 Jan 2028 to 4 Apr 2028 | £750 |
| More than 6 months late | From 5 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- NI736642
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2026
- Registered office
- 83 Killunaght Road, Dungiven, Londonderry, BT47 4TU
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Londonderry
Other active property development companies registered in Londonderry.
- Sqe 1 Ltd2026
- Sqe 2 Ltd2026
- Statik Home Ltd2005
- Stonebrook Developments Limited2012
- Strabane Road Developments Limited2018
- Tawnymore Limited2006
- Terra North West Limited1999
- Twano Limited2009
All property development companies in Londonderry · All trades in Londonderry · Property developers across the UK
Frequently asked questions
When are Source Maintenance Solutions Limited's accounts due?
Source Maintenance Solutions Limited's next accounts are due at Companies House by 4 October 2027 (in 357 days), covering the period to 31 January 2027.
When is Source Maintenance Solutions Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 January 2027, due by 3 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Source Maintenance Solutions Limited still trading?
Source Maintenance Solutions 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 Source Maintenance Solutions Limited do?
Source Maintenance Solutions Limited is registered under Development of building projects (SIC 41100).
How old is Source Maintenance Solutions Limited?
Source Maintenance Solutions Limited was incorporated on 4 January 2026, less than a year ago.
What is the penalty if Source Maintenance Solutions 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 Source Maintenance Solutions 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.