- Companies
- Civil engineering
- Aberdare
- Llettyshenkin Construction Company Limited
Llettyshenkin Construction Company Limited
- Company number
- 04140241
- Incorporated
- 12 Jan 200125 years trading
- Registered office
- Unit K Hirwaun Industrial Estate, Hirwaun, Aberdare, Mid Glamorgan, CF44 9UP
- Nature of business
- Construction of other civil engineering projects n.e.c.
Llettyshenkin Construction Company Limited is a 25-year-old private limited company registered in Aberdare, company number 04140241, one of 23 civil engineering contractors in Aberdare. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £73K (+21.1%) on the year before, to £421K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £410K against £266K owed within a year: 1.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £421K | £258K | £410K | £266K | 0 |
| 31 Dec 2023 | £348K | £142K | £317K | £236K | 17 |
| 31 Dec 2022 | £409K | £192K | £397K | £209K | 20 |
| 31 Dec 2021 | £534K | £299K | £460K | £180K | 19 |
| 31 Dec 2020 | £549K | £233K | £422K | £194K | 20 |
| 31 Dec 2019 | £622K | £263K | £494K | £240K | 19 |
| 31 Dec 2018 | £640K | £327K | £580K | £302K | |
| 30 Sep 2017 | £560K | £230K | £579K | £285K | |
| 30 Sep 2016 | £568K | £181K | £465K | £225K | |
| 30 Sep 2015 | £584K | £233K | £524K | £282K |
Public contracts won
Llettyshenkin Construction Company Limited has 6 public sector contract awards on record; the ones with their own published value total £123K, from 2015 to 2026. Source: Contracts Finder and Find a Tender award notices. For 2 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Mining Remediation Authority4 awards
- The Coal Authority2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Mining Remediation Authority | Emergency Call Out and Minor Works | £39K | 24 Jun 2026 |
| Mining Remediation Authority | Emergency Callout and Minor Works | £39K | 6 May 2026 |
| Mining Remediation Authority | Emergency Call Out and Minor Works | £31K | 5 Mar 2026 |
| Mining Remediation Authority | Emergency Call Out and Minor Work (ECOMW) Framework 2025 | Ceiling, not shown | 27 Jan 2026 |
| The Coal Authority | Emergency Call Out with Minor Works and Subsidence Repairs Framework | Ceiling, not shown | 30 Nov 2021 |
| The Coal Authority | Carway, Kidwelly - Emergency Call Out and Fencing | £15K | 15 Oct 2015 |
Where Llettyshenkin Construction Company Limited is registered
The registered office is in Aberdare (CF44), in the Rhondda Cynon Taf local authority area, Wales. Show CF44 9UP on a map.
Other trade companies in CF44
- Site Impact Reduction LtdBuilders
- Atlas Motorcare LtdMotor traders
- Albannie Internals LtdInstallers
- Omega Electrical & Renewables LimitedElectricians
- Overdrive Shopfitting LtdJoiners and carpenters
- MRG Lofts and Construction LimitedSpecialist contractors
- CB Heating & Plumbing SW LtdPlumbers and heating engineers
- Cav's Green Management LtdLandscapers and gardeners
What happens if Llettyshenkin Construction Company 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
- 04140241
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2001 (25 years ago)
- Registered office
- Unit K Hirwaun Industrial Estate, Hirwaun, Aberdare, Mid Glamorgan, CF44 9UP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 7 November 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Aberdare
Other active civil engineering contractors registered in Aberdare.
- N.W. Contractors Ltd2022
- Omc Technologies (UK) Limited2011
- P&H Utilities Ltd2020
- Rdejones Ltd2024
- Reki Rail Ltd2019
- S Morgan Installations Ltd2014
- SKF Civils Ltd.2017
- Swift Roofing Supplies Ltd2010
All civil engineering contractors in Aberdare · All trades in Aberdare · Civil engineering across the UK
Frequently asked questions
When are Llettyshenkin Construction Company Limited's accounts due?
Llettyshenkin Construction Company Limited's next accounts are due at Companies House by 31 December 2026 (in 78 days), covering the period to 31 March 2026.
When is Llettyshenkin Construction Company 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Llettyshenkin Construction Company Limited still trading?
Llettyshenkin Construction Company 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 Llettyshenkin Construction Company Limited do?
Llettyshenkin Construction Company Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Llettyshenkin Construction Company Limited?
Llettyshenkin Construction Company Limited was incorporated on 12 January 2001, 25 years ago.
Has Llettyshenkin Construction Company Limited won public sector contracts?
Yes. Llettyshenkin Construction Company Limited has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £123K), most recently from Mining Remediation Authority.
What is the penalty if Llettyshenkin Construction Company 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 Llettyshenkin Construction Company 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.