- Companies
- Builders
- Caernarfon
- Martin Roberts Construction Limited
Martin Roberts Construction Limited
- Company number
- 04658947
- Incorporated
- 6 Feb 200323 years trading
- Registered office
- 32 Y Maes, Caernarfon, Gwynedd, LL55 2NN
- Nature of business
- Construction of domestic buildings
Martin Roberts Construction Limited is a 23-year-old private limited company registered in Caernarfon, company number 04658947, one of 19 building contractors in Caernarfon. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 £46K (-8.5%) on the year before, to £496K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £299K against £155K owed within a year: 1.9 times cover.
- 2 employees on average, down from 3 the year before.
- 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 | £496K | £299K | £155K | 2 | |
| 31 Mar 2024 | £541K | £311K | £159K | 3 | |
| 31 Mar 2023 | £593K | £522K | £85K | 3 | |
| 31 Mar 2022 | £587K | £573K | £51K | 3 | |
| 31 Mar 2021 | £566K | £172K | £570K | £37K | 3 |
| 31 Mar 2020 | £681K | £49K | £688K | £50K | 3 |
| 31 Mar 2019 | £717K | £296K | £680K | £15K | 3 |
| 31 Mar 2018 | £782K | £172K | £758K | £41K | 3 |
| 31 Mar 2017 | £783K | £820K | £76K | ||
| 31 Mar 2016 | £624K | £141K | £647K | £43K |
Where Martin Roberts Construction Limited is registered
The registered office is in Caernarfon (LL55), in the Gwynedd local authority area, Wales. Show LL55 2NN on a map.
Other trade companies in LL55
- Gic Construction & Groundworks LtdInstallers
- Caton Site Welding LtdMachinery repair and installation
- Celtic Heritage Stonemasonry LimitedCivil engineering
- Celtic Heritage Construction LimitedBuilders
- 31 High ST LimitedProperty developers
- Robertson’S Property Services LtdSpecialist contractors
- Tirion Solutions LtdElectricians
- Melltd LtdProperty developers
Also registered at this address
3 other companies use the same registered office as Martin Roberts Construction Limited.
- Celtic Heritage Construction LimitedBuilders
- Celtic Heritage Stonemasonry LimitedCivil engineering
- Clarity Aquatics and Landscapes LtdSpecialist contractors
What happens if Martin Roberts Construction 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 04658947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2003 (23 years ago)
- Registered office
- 32 Y Maes, Caernarfon, Gwynedd, LL55 2NN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 6 February 2026
- Charges (mortgages)
- 0 outstanding of 4 registered
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 Caernarfon
Other active building contractors registered in Caernarfon.
- Morris Build for Life Limited2014
- P.E.P Construction Ltd2023
- PWG Construction Ltd2026
- Rirox Ltd2026
- Cefn Du Construction Limited2006
- Celtic Heritage Construction Limited2026
- Ceunant Construction Ltd2025
- Clen Construction Ltd2016
All building contractors in Caernarfon · All trades in Caernarfon · Builders across the UK
Frequently asked questions
When are Martin Roberts Construction Limited's accounts due?
Martin Roberts Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Martin Roberts Construction Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Martin Roberts Construction Limited still trading?
Martin Roberts Construction 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 Martin Roberts Construction Limited do?
Martin Roberts Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Martin Roberts Construction Limited?
Martin Roberts Construction Limited was incorporated on 6 February 2003, 23 years ago.
What is the penalty if Martin Roberts Construction 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 Martin Roberts Construction 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.