- Companies
- Plumbers and heating engineers
- Hoddesdon
- Alsa Building Services Ltd
Alsa Building Services Ltd
- Company number
- 13185334
- Incorporated
- 8 Feb 20215 years trading
- Registered office
- 34 Rodney Crescent, Hoddesdon, EN11 9EW
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
Alsa Building Services Ltd is a 5-year-old private limited company registered in Hoddesdon, company number 13185334, one of 34 plumbing and heating companies in Hoddesdon. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £810 (+20.7%) on the year before, to £4,730.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £5,039 against £309 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £4,730 | £5,039 | £309 | 1 | |
| 28 Feb 2025 | £3,920 | £5,325 | £1,405 | 1 | |
| 29 Feb 2024 | £1,234 | £1,852 | £618 | 1 | |
| 28 Feb 2023 | £564 | £673 | £109 | 1 | |
| 28 Feb 2022 | £4,512 | £6,227 | £1,815 | 1 |
Where Alsa Building Services Ltd is registered
The registered office is in Hoddesdon (EN11), in the Broxbourne local authority area, East of England. Show EN11 9EW on a map.
Other trade companies in EN11
- Poto LtdBuilders
- PMB Electrical Services LtdElectricians
- A-Plus Finishes LtdPainters and decorators
- Paul the Plumber and Friends LtdPlumbers and heating engineers
- GRB Services LimitedPlumbers and heating engineers
- UK Tog Alliance LtdMotor traders
- Meridian Fortis Homes LtdProperty developers
- Blox Container Group LimitedInstallers
What happens if Alsa Building 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 13185334
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2021 (5 years ago)
- Registered office
- 34 Rodney Crescent, Hoddesdon, EN11 9EW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 7 February 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 Hoddesdon
Other active plumbing and heating companies registered in Hoddesdon.
- Apg Bathrooms Ltd2024
- Belfry Services Ltd2018
- Blue Pilot Plumbing and Heating Ltd2024
- Capital Refrigeration Services Limited1967
- CMH Plumbing Ltd2022
- Cool Breeze Air Conditioning Ltd2009
- D S Water Softeners Ltd2006
- Delaware Heating Ltd2026
All plumbing and heating companies in Hoddesdon · All trades in Hoddesdon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Alsa Building Services Ltd's accounts due?
Alsa Building Services Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Alsa Building Services Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Alsa Building Services Ltd still trading?
Alsa Building 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 Alsa Building Services Ltd do?
Alsa Building Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Alsa Building Services Ltd?
Alsa Building Services Ltd was incorporated on 8 February 2021, 5 years ago.
What is the penalty if Alsa Building 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 Alsa Building 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.