- Companies
- Plumbers and heating engineers
- Bridgend
- Narbeth's Mechanical Services Limited
Narbeth's Mechanical Services Limited
- Company number
- 03598168
- Incorporated
- 15 Jul 199828 years trading
- Registered office
- 49 Main Avenue, Brackla Industrial Estate, Bridgend, Mid Glamorgan, CF31 2AZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Narbeth's Mechanical Services Limited is a 28-year-old private limited company registered in Bridgend, company number 03598168, one of 46 plumbing and heating companies in Bridgend. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £43K (+6.5%) on the year before, to £703K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £3.4M against £2.6M owed within a year: 1.3 times cover.
- 23 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 Jul 2025 | £703K | £1.2M | £3.4M | £2.6M | 23 |
| 31 Jul 2024 | £660K | £345K | £2.6M | £1.7M | 23 |
| 31 Jul 2023 | £675K | £741K | £4.3M | £3.6M | 24 |
| 31 Jul 2022 | £512K | £306K | £1.6M | £936K | 22 |
| 31 Jul 2021 | £491K | £305K | £2.4M | £1.7M | 21 |
| 31 Jul 2020 | £453K | £435K | £2.2M | £1.3M | 22 |
| 31 Jul 2019 | £364K | £400K | £2.2M | £1.9M | 20 |
| 30 Jun 2018 | £524K | £997K | £2.8M | £2.2M | |
| 30 Jun 2017 | £459K | £335K | £2.3M | £1.9M | |
| 30 Jun 2016 | £230K | £639K | £1.3M | £1.2M |
Public contracts won
Narbeth's Mechanical Services Limited has one public sector contract award on record; the ones with their own published value total £120K (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.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| City & County of Swansea | Contract for Pontarddulais Comprehensive LTHW Refurbishment | £120K | 10 Jul 2026 |
Where Narbeth's Mechanical Services Limited is registered
The registered office is in Bridgend (CF31), in the Bridgend local authority area, Wales. Show CF31 2AZ on a map.
Other trade companies in CF31
- RJ Home & Garden LimitedSpecialist contractors
- Nuk Electrics LtdElectricians
- Flint Falcon LtdCleaning companies
- Ki Dynamics PVT LimitedMotor traders
- Spotlessly Clean Cleaning Services LtdCleaning companies
- Tec 44 Electrics LtdBuilders
- Kainth&Dihanahomes LtdBuilders
- HJB Property Development and Landscapes LtdLandscapers and gardeners
What happens if Narbeth's Mechanical Services 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 03598168
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 1998 (28 years ago)
- Registered office
- 49 Main Avenue, Brackla Industrial Estate, Bridgend, Mid Glamorgan, CF31 2AZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 27 August 2025
- Charges (mortgages)
- 3 outstanding of 7 registered
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 Bridgend
Other active plumbing and heating companies registered in Bridgend.
- PDC and Company Plumbing and Heating Ltd2026
- Pearce Elite Plumbing & Heating Limited2008
- Pro Air Systems Limited2026
- Professional Sprinkler Systems Ltd2019
- R G Waters Ltd2022
- Rees Heating Limited2025
- RT Plumbing & Gas Ltd2023
- Simeon Thomas Heating and Plumbing Engineers Limited2024
All plumbing and heating companies in Bridgend · All trades in Bridgend · Plumbers and heating engineers across the UK
Frequently asked questions
When are Narbeth's Mechanical Services Limited's accounts due?
Narbeth's Mechanical Services Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Narbeth's Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Narbeth's Mechanical Services Limited still trading?
Narbeth's Mechanical Services Limited is listed as active on the Companies House register (checked 12 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 Narbeth's Mechanical Services Limited do?
Narbeth's Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Narbeth's Mechanical Services Limited?
Narbeth's Mechanical Services Limited was incorporated on 15 July 1998, 28 years ago.
Has Narbeth's Mechanical Services Limited won public sector contracts?
Yes. Narbeth's Mechanical Services Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £120K), most recently from City & County of Swansea.
What is the penalty if Narbeth's Mechanical Services 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 Narbeth's Mechanical Services Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.