- Companies
- Plumbers and heating engineers
- Cardiff
- Westlink Mechanical Services Ltd
Westlink Mechanical Services Ltd
- Company number
- 11284667
- Incorporated
- 29 Mar 20188 years trading
- Registered office
- Unit D3 West Point Industrial Estate, Penarth Road, Cardiff, CF11 8JQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Westlink Mechanical Services Ltd is a 8-year-old private limited company registered in Cardiff, company number 11284667, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 Westlink Mechanical Services LtdOr 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 £9,501 (+2.9%) on the year before, to £336K.
- Net assets rose in 6 of 6 year-on-year comparisons on record.
- Current assets of £623K against £308K owed within a year: 2.0 times cover.
- 5 employees on average, up from 4 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £336K | £353K | £623K | £308K | 5 |
| 30 Jun 2024 | £327K | £278K | £460K | £154K | 4 |
| 30 Jun 2023 | £272K | £289K | £411K | £129K | 4 |
| 30 Jun 2022 | £178K | £113K | £384K | £183K | 4 |
| 30 Jun 2021 | £91K | £152K | £210K | £61K | 4 |
| 30 Jun 2020 | £25K | £108K | £154K | £52K | 4 |
| 31 Mar 2019 | £1 | £1 |
Public contracts won
Westlink Mechanical Services Ltd has 2 public sector contract awards on record; the ones with their own published value total £140K (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Rhondda Cynon Taf CBC2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Rhondda Cynon Taf CBC | Porth Community School Boiler Upgrade | £49K | 22 Sep 2026 |
| Rhondda Cynon Taf CBC | Darran Park Primary School - Boiler Replacement | £91K | 6 May 2026 |
Where Westlink Mechanical Services Ltd is registered
The registered office is in Cardiff (CF11), in the Vale of Glamorgan local authority area, Wales. Show CF11 8JQ on a map.
Other trade companies in CF11
- DRK Car Sales LimitedMotor traders
- Daily Catering Repairs LtdMachinery repair and installation
- R S Tyres LtdMotor traders
- Cronyx Solutions LimitedBuilders
- Ali Construction Services UK LtdBuilders
- Crown Damp Proofing LtdSpecialist contractors
- Time for You Cardiff LtdCleaning companies
- Logistfix LtdRepair services
What happens if Westlink Mechanical Services 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11284667
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2018 (8 years ago)
- Registered office
- Unit D3 West Point Industrial Estate, Penarth Road, Cardiff, CF11 8JQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 July 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Cardiff
Other active plumbing and heating companies registered in Cardiff.
- Wolf Management Group Limited2025
- Wootton Group Limited2000
- 3 Trojans Limited2022
- A & N Plumbing Services Limited2008
- A Pair of Drips Ltd2025
- Ac Ventilation Solutions Ltd2012
- Acorn Homecover Limited2025
- Af Mechanical Services Ltd2022
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are Westlink Mechanical Services Ltd's accounts due?
Westlink Mechanical Services Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Westlink Mechanical Services Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Westlink Mechanical Services Ltd still trading?
Westlink Mechanical Services 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 Westlink Mechanical Services Ltd do?
Westlink Mechanical Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Westlink Mechanical Services Ltd?
Westlink Mechanical Services Ltd was incorporated on 29 March 2018, 8 years ago.
Has Westlink Mechanical Services Ltd won public sector contracts?
Yes. Westlink Mechanical Services Ltd has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £140K), most recently from Rhondda Cynon Taf CBC.
What is the penalty if Westlink Mechanical Services 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 Westlink Mechanical Services 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.