- Company number
- NI629980
- Incorporated
- 13 Mar 201511 years trading
- Registered office
- 40 Railway Street, Lisburn, BT28 1XP
- Nature of business
- Construction of domestic buildings
GKM Developments Ltd is a 11-year-old private limited company registered in Lisburn, company number NI629980, one of 51 building contractors in Lisburn. Its next accounts are due at Companies House on 26 December 2026, and the CT600 for the period to 26 March 2026 is due at HMRC on 26 March 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 down £84K (-19.6%) on the year before, to £343K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £661K against £334K owed within a year: 2.0 times cover.
- 3 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 Mar 2025 | £343K | £174K | £661K | £334K | 3 |
| 31 Mar 2024 | £426K | £244K | £897K | £475K | 3 |
| 31 Mar 2023 | £336K | £526K | £1M | £709K | 3 |
| 31 Mar 2022 | £270K | £477K | £480K | £210K | 3 |
| 31 Mar 2021 | £285K | £308K | £613K | £335K | 3 |
| 31 Mar 2020 | £282K | £181K | £505K | £244K | 3 |
| 31 Mar 2019 | £366K | £615K | £636K | £311K | |
| 31 Mar 2018 | £250K | £100 | £632K | £422K | 1 |
| 31 Mar 2017 | £208K | £215K | £604K | £432K | |
| 31 Mar 2016 | £176K | £207K | £487K | £335K |
Where GKM Developments Ltd is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 1XP on a map.
Other trade companies in BT28
- Lisburn Autohub LtdMotor traders
- Ultralift Facilities Management LtdFacilities management
- Ultimate Tinting Lisburn LtdMotor traders
- A H Assist Cars LtdMotor traders
- Northpeak Developments LtdProperty developers
- Built by D Design and Build LtdProperty developers
- Lagan to Liffey Electrical Contractors LtdElectricians
- Ez Trade Solutions LtdJoiners and carpenters
Also registered at this address
18 other companies use the same registered office as GKM Developments Ltd.
- Abcord Building Services LimitedProperty developers
- Automotive Smart Repair Solutions LimitedMechanics and garages
- Cedarwood Facilities Management LtdLandscapers and gardeners
- Cedarwood Garden Services LtdLandscapers and gardeners
- Colin Boyes LimitedPlumbers and heating engineers
- Compliapp LimitedFacilities management
- Coulter Homes LimitedBuilders
- Darson Services LtdElectricians
- David McGrory LimitedMachinery repair and installation
- Digital Fire & Security (NI) LimitedFacilities management
- FPF Contracts LimitedElectricians
- G & K Smiley LtdBuilders
- H Wilson & Sons LimitedCivil engineering
- Haughey Electrical LimitedElectricians
- Lennon Homes LtdProperty developers
- Lisburn Services LtdSpecialist contractors
- Skippy Spares LimitedMotor traders
- Stephen McElhinny Electrical LtdElectricians
What happens if GKM Developments 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 26 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Dec 2026 to 26 Jan 2027 | £150 |
| 1 to 3 months late | 27 Jan 2027 to 26 Mar 2027 | £375 |
| 3 to 6 months late | 27 Mar 2027 to 26 Jun 2027 | £750 |
| More than 6 months late | From 27 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Mar 2027 | £200 |
| 3 months late | 26 Jun 2027 | another £200 |
| 6 months late | 26 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Mar 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
- NI629980
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2015 (11 years ago)
- Registered office
- 40 Railway Street, Lisburn, BT28 1XP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 26 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 March 2026
- Previous names
- Htja 10 Limited (until 31 Mar 2015)
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 Lisburn
Other active building contractors registered in Lisburn.
- GMF Buildright Ltd2021
- Green City Contracts Limited2013
- Greer Construction Ltd2022
- GS Building & Groundworks Ltd2023
- Gym Rooms NI Ltd2025
- Home Protection Services (Ireland) Limited2010
- HPS (Belfast) Limited2014
- Init Build Ltd2008
All building contractors in Lisburn · All trades in Lisburn · Builders across the UK
Frequently asked questions
When are GKM Developments Ltd's accounts due?
GKM Developments Ltd's next accounts are due at Companies House by 26 December 2026 (in 75 days), covering the period to 26 March 2026.
When is GKM Developments Ltd's CT600 due?
The CT600 for the period to 26 March 2026 is due at HMRC by 26 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 27 December 2026.
Is GKM Developments Ltd still trading?
GKM Developments 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 GKM Developments Ltd do?
GKM Developments Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is GKM Developments Ltd?
GKM Developments Ltd was incorporated on 13 March 2015, 11 years ago.
What is the penalty if GKM Developments 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 GKM Developments 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.