Company profile · Builders
Allgo Construction Limited
Allgo Construction Limited is a 1-year-old private limited company registered in Harrow, company number 16105141, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 27 November 2026, and its first CT600 is due at HMRC on 26 November 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Allgo Construction Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BH on a map.
Other trade companies in HA1
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- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
22 other companies use the same registered office as Allgo Construction Limited.
- Amarc Construction LtdCivil engineering
- Automotive & Design Components Trading LtdMotor traders
- Autovalet Management LimitedCleaning companies
- Barletone Plastering LimitedPlasterers
- Care Accommodation (London) LimitedBuilders
- Castlepines LimitedProperty developers
- Central Link Properties LimitedBuilders
- CH2 Solutions LtdCivil engineering
- D C Autosparx LimitedMechanics and garages
- DBL Scaffolding Services LtdFinishing trades
- Fortnum Developments LimitedProperty developers
- G. & D. Higgins Mechanical Services Ltd.Plumbers and heating engineers
- GK Heating and Plumbing LimitedFinishing trades
- J.F. Services LimitedProperty developers
- P.W.R.( Roofing) LimitedRoofers
- Podaru Construction LimitedSpecialist contractors
- Refaeli Construction LtdSpecialist contractors
- Refaeli Management LtdSpecialist contractors
- S.Royce & Son LimitedProperty developers
- South East Ventures LtdProperty developers
- The Motor Vehicle Collection Company LtdMotor traders
- Trendbuild LimitedProperty developers
What happens if Allgo 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 27 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Nov 2026 to 27 Dec 2026 | £150 |
| 1 to 3 months late | 28 Dec 2026 to 27 Feb 2027 | £375 |
| 3 to 6 months late | 28 Feb 2027 to 27 May 2027 | £750 |
| More than 6 months late | From 28 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 16105141
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 November 2024 (1 year ago)
- Registered office
- 3RD Floor, 166 College Road, Harrow, HA1 1BH
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 26 November 2025
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 Harrow
Other active building contractors registered in Harrow.
- Alno Construction Ltd2022
- Amalia&Ioana Limited2026
- Amavi Building Services Ltd2024
- Amc Building Limited2006
- Amcs Tile&Render Limited2026
- Amir Construction Ltd2021
- Anderson Design Solutions Limited2003
- Andrey's Property Services Ltd2025
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Allgo Construction Limited's accounts due?
Allgo Construction Limited's next accounts are due at Companies House by 27 November 2026 (in 46 days), covering the period to 30 November 2025.
When is Allgo Construction 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 26 November 2025, due by 26 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Allgo Construction Limited still trading?
Allgo 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 Allgo Construction Limited do?
Allgo Construction Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Allgo Construction Limited?
Allgo Construction Limited was incorporated on 27 November 2024, 1 year ago.
What is the penalty if Allgo 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 Allgo 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.