- Companies
- Installers
- Glasgow
- Attic Alterations & Extensions Ltd.
Attic Alterations & Extensions Ltd.
- Company number
- SC182664
- Incorporated
- 3 Feb 199828 years trading
- Registered office
- 4/5 Turnberry House, 175 West George Street, Glasgow, G2 2LB
- Nature of business
- Other construction installation
Attic Alterations & Extensions Ltd. is a 28-year-old private limited company registered in Glasgow, company number SC182664, one of 331 installation companies (insulation, lifts, shutters and similar) in Glasgow. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £1,039 on the year before, to -£939.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £57K against £58K owed within a year: 1.0 times cover.
- 8 employees on average, up from 1 the year before.
- 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 Mar 2025 | -£939 | £18K | £57K | £58K | 8 |
| 31 Mar 2024 | £100 | £20K | £57K | £57K | 1 |
| 31 Mar 2023 | £9,510 | £55K | £87K | £77K | 5 |
| 31 Mar 2022 | £17K | £65K | £100K | £83K | 5 |
| 31 Mar 2021 | -£2,138 | £19K | £70K | £72K | 5 |
| 31 Mar 2020 | -£5,307 | £13K | £62K | £67K | 5 |
| 31 Mar 2019 | £13K | £14K | £74K | £61K | 4 |
| 31 Mar 2018 | £19K | £37K | £78K | £59K | 3 |
| 31 Mar 2017 | £32K | £31K | £99K | £67K | 3 |
| 31 Mar 2016 | £31K | £43K | £100K | £69K |
Where Attic Alterations & Extensions Ltd. is registered
The registered office is in Glasgow (G2), in the Glasgow City local authority area, Scotland. Show G2 2LB on a map.
Other trade companies in G2
- Averloch Contracting LimitedCivil engineering
- Halcyon Sports Services LtdProperty developers
- Kiess & Co. Decorators LtdPainters and decorators
- The Three Sisters Furniture and Flooring LtdFloor and wall tilers
- Projectform Construction LtdJoiners and carpenters
- The Scaffold Network Scotland LtdScaffolders
- Hanlon Property Solutions LtdJoiners and carpenters
- Bellroc Mould Solutions LimitedPainters and decorators
Also registered at this address
19 other companies use the same registered office as Attic Alterations & Extensions Ltd..
- A L Perrie Ltd.Builders
- A.G.S. (Steel Erectors) LimitedSpecialist contractors
- Advanced Building Contractors Holdings LtdInstallers
- Cuthbertson Preservation (Glasgow) LimitedFinishing trades
- Cuthbertson Preservation (Scotland) LimitedFinishing trades
- David Fitch Electrical LtdElectricians
- Gallagher Builders LtdBuilders
- Gask Technical Services LimitedPlumbers and heating engineers
- GMD Electrical Scotland LimitedElectricians
- GMD Properties Ltd.Builders
- Ironworks Engineering Ltd.Civil engineering
- Onyx Industrial Cleaning & Facilities LtdFacilities management
- Perrie Properties LtdBuilders
- Premier Facilities (Scotland) Ltd.Cleaning companies
- Raws Development LimitedBuilders
- RP Cmpny 1 LimitedProperty developers
- Russell Joinery & Construction (Commercial) LimitedJoiners and carpenters
- Russell Joinery & Construction LtdJoiners and carpenters
- SBS Contracts LtdBuilders
What happens if Attic Alterations & Extensions 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 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
- SC182664
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 February 1998 (28 years ago)
- Registered office
- 4/5 Turnberry House, 175 West George Street, Glasgow, G2 2LB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 3 February 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Glasgow
Other active installation companies (insulation, lifts, shutters and similar) registered in Glasgow.
- Auberon Works Ltd2017
- Aurea Construction Services Limited2022
- Av Bathrooms Ltd2023
- B.Connor Scaffolding Services Limited2025
- Bannachan Holdings Ltd2023
- Bannachan Security Installations Ltd2021
- BCC Pipeline Services Limited2026
- BD Construction & Development Ltd2018
All installation companies (insulation, lifts, shutters and similar) in Glasgow · All trades in Glasgow · Installers across the UK
Frequently asked questions
When are Attic Alterations & Extensions Ltd.'s accounts due?
Attic Alterations & Extensions Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Attic Alterations & Extensions Ltd.'s CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Attic Alterations & Extensions Ltd. still trading?
Attic Alterations & Extensions 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 Attic Alterations & Extensions Ltd. do?
Attic Alterations & Extensions Ltd. is registered under Other construction installation (SIC 43290).
How old is Attic Alterations & Extensions Ltd.?
Attic Alterations & Extensions Ltd. was incorporated on 3 February 1998, 28 years ago.
What is the penalty if Attic Alterations & Extensions 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 Attic Alterations & Extensions 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.