Office Fit-Out Welling
Office fit-outs for small and medium office suites in Welling, partitions, ceilings, lighting and small power for your office, with the IT and specialist trades coordinated.
- Rated 4.9 from 31 reviews on MyBuilder
- UK guide: £70 to £120 per sq ft
- Free site survey, itemised quote
Office fit-out in Welling is small-scale work, and it is honest to say so. Welling is a District Centre in the Bexley Local Plan, with Bexleyheath as the borough's Major Centre, and the London Plan names Croydon, not Bexley, as the strategic outer London office location. The office work to expect here is a suite above a shop on a street such as Welling High Street, or rooms for a small local practice. We fit out those rooms, from strip out to the last light fitting.
For Welling, the construction part of an office fit-out is published at £70 to £120 per sq ft as a UK guide, and an all-in London office fit-out at £148 to £359 per sq ft (Oktra and Cushman and Wakefield, 2026). GS Renovation Ltd, a building contractor based in Potters Bar, does the work in Welling: we build the office partitions, ceilings, lighting and finishes as one contract and coordinate the IT supplier and specialist trades around them.
Price guide
| Work | Indicative range |
|---|---|
| Office fit-out, construction only | £70 to £120 per sq ft |
| London office fit-out, all-in | £148 to £359 per sq ft |
| Metal stud partition, boarded both sides | £55 to £65 per m² |
| Suspended ceiling, grid and tile | £22 to £35 per m² |
| Dilapidations at lease end | £15 to £20 per sq ft |
Indicative ranges from published cost guides (Cushman and Wakefield, Oktra and Checkatrade, 2026), not a quotation. Most are UK-wide figures and London work usually costs more; a row marked London is a London figure. Prices checked September 2026.
Quick estimate from UK guide figures
Guide range: choose above

The kind of office space Welling actually has
Welling's office stock is upper floors and small suites, not office blocks. The Bexley Local Plan lists Welling among the borough's District Centres, and the London Plan names Croydon town centre as the strategic outer London office location. The streets behind the High Street are residential. An office here is more likely to be a first floor over a shop or a converted house used by a small practice than a purpose-built block.
That scale shapes the fit-out. A typical Welling brief is a few desks, a meeting room, a tea point and a WC, fitted into a floor that was not built as an office. Stairs are often narrow, ceilings are often domestic height and the services were sized for one household or one shop. We survey what the floor can take before the layout is fixed, and we plan deliveries up a shared stair rather than through a loading bay.
Cat A and Cat B in a small Welling office
In a Welling office suite, Cat A means the landlord's shell made usable: ceilings, lighting, heating, small power at the walls and working WCs. Cat B is the tenant's layer on top: partitions and glazed screens, meeting rooms, a kitchenette, floor boxes, data points, furniture and signage inside. On a floor above a Welling High Street shop, the landlord may hand over bare walls, so we often do both layers in one programme.
Data cabling is coordinated with your IT supplier: we fit the containment, back boxes and ceiling routes, and they pull, terminate and test the cables. Partitions go in before the ceiling grid where acoustic separation matters, and after it where the layout may change. Noisy stages such as breaking out and fixing into masonry sit inside Bexley's construction hours of 8am to 6pm on weekdays and 8am to 1pm on Saturday.
Building regulations and CDM for a Welling office
An office fit-out in Welling is building work under the Building Regulations whenever it changes the means of escape, fire separation, access or fixed services. Part B covers fire and escape, which matters above a shop where the office shares one stair with the unit below. Part M covers access and WCs, and Part L covers new lighting and heating. Where Bexley is the building control body, it must be notified at least 48 hours before work starts.
Where the work is designed in advance, a full plans application to Bexley is checked and decided within five to eight weeks, so it has to be lodged well before the fit-out starts. A commercial client also has duties of its own under the CDM Regulations: appointing the right people, allowing time and passing on information about the building. Where we are the only contractor, we write the construction phase plan; where there is more than one, the client appoints a principal designer and a principal contractor.
Office use, Class MA and the Welling town centre Article 4
An office in Welling sits in Class E, alongside shops, cafes and clinics, so a practice moving into a former shop unit needs no change of use permission unless a condition says otherwise. Class MA would normally let an owner turn Class E space into homes by prior approval, but Bexley's Article 4 Direction on its designated town centres took that route away from 10 December 2025. Inside Welling's town centre boundary, the office floors above the shops therefore stay in commercial use unless a planning application succeeds.
For a tenant, that is background rather than a decision. It means the office space above the High Street is less likely to disappear into flats, and a landlord with an empty upper floor has a reason to let it as an office or a treatment room. Bexley Local Plan Policy DP9 separately resists the net loss of ground floor main town centre uses, which is a matter for the shop unit below rather than the office above.
- LED office lighting with presence and daylight controls
- Suspended grid ceilings and plasterboard ceilings with access panels
- Office carpet tiles and sheet vinyl in tea points and WCs
VOA Council Tax stock of properties, March 2025, for the Welling statistical area, one of several statistical areas covering DA16. Counts rounded by the VOA.
Trusted Office Fit-Out in Welling
We fit out small Welling offices as one contractor, so the strip out, partitions, ceilings, lighting, kitchenette and decoration run to one programme. The registered electrician we bring in certifies the lighting and small power, we coordinate data containment with your IT supplier, and we plan noisy work around the shop below. At the end of a lease we also carry out the reinstatement works your dilapidations schedule lists. You get a written price after a site visit and a programme set against your move-in date.
- Every new office circuit certified to BS 7671 by a registered electrician
- Building control applications and inspections coordinated for you
- Fire alarm, emergency lighting and air conditioning specialists on one programme
Giorgio is an excellent and intelligent workman, and with very reasonable prices! He installed a kitchen extractor fan in a complicated situation…
George was brilliant. Lovely bloke, very reasonably priced and a perfectionist to boot. He completed our small kitchen renovation with care and great…
George was very friendly and helpful from start to finish. He worked really hard to ensure our kitchen was installed to a high standard and was…
FAQ
Frequently Asked Questions about Office Fit-Out Welling
Why do office fit-out quotes in Welling vary so much?
Because the scope differs. One quote covers only partitions and ceilings; another includes fire alarm changes, lighting, data containment, the tea point and out-of-hours working. Published guides give £70 to £120 per square foot for the construction element (Oktra, 2026). Compare quotes against the same written scope.
Is there much office fit-out work in Welling?
Not on a large scale. Welling is a District Centre in the Bexley Local Plan, and the London Plan names Croydon as the strategic outer London office location. The work here is suites above shops, small practices and converted rooms. We price each one after a site visit, since every upper floor is different.
What is the difference between Cat A and Cat B in a Welling office?
Cat A is the landlord's usable shell: ceilings, lighting, heating, small power and WCs. Cat B is the tenant's own fit-out on top: partitions, meeting rooms, kitchenette, data points, furniture and signage. In a small suite over a Welling High Street shop, the landlord often provides little, so both layers are usually planned and built together by one contractor.
Does a Welling office fit-out need building control approval?
Yes, where the work changes fire separation, escape routes, access, drainage or fixed services. Where Bexley is the building control body, it must be told at least 48 hours before that work starts. Redecoration and like-for-like fittings on existing circuits usually are not building work. We check the scope at the site visit and tell you which items need an application.
Can office work in a Welling building be done out of hours?
Yes for quiet work, such as decorating and fitting furniture. Noisy work outside 8am to 6pm on weekdays and 8am to 1pm on Saturday is best covered by a Section 61 prior consent from Bexley, which has a 28 day response period counted from the date it is received. We plan around that, or keep loud work to normal hours.
Can the office above a Welling shop be turned into a flat instead?
Not under permitted development inside the town centre. Class MA normally allows Class E to become homes by prior approval, but Bexley's Article 4 Direction on its designated town centres removed that right from 10 December 2025. A planning application by the owner or their agent is needed, and it may be refused. Refitting the floor as an office needs no change of use.
Who runs the data cabling in a Welling office fit-out?
Your IT supplier specifies and tests the network, and we build around it. We fit the containment, trunking, floor boxes and back boxes where they want them, and leave draw wires in place. They then pull, terminate and certify the cables. Agreeing the data layout before the ceiling closes avoids cutting into new finishes later.
What does reinstatement at the end of a Welling office lease involve?
It means returning the space to the state the lease requires, which is set out in the landlord's schedule of dilapidations. That can mean taking out partitions, making good walls and ceilings, removing tenant cabling and redecorating. We price the schedule item by item so you can compare it with any settlement the landlord offers instead.
What CDM duties does a business have for a Welling office fit-out?
A commercial client has duties of its own under the CDM Regulations. You must appoint competent contractors, allow enough time and resources, pass on what you know about the building, such as any asbestos survey, and make sure a construction phase plan exists before work starts. Where we are the only contractor, we prepare that plan; with more than one contractor, you appoint a principal designer and a principal contractor in writing.
Every Service, One Team
More GS Renovation Services in Welling
One team for every GS Renovation service in Welling:
Same Service, Nearby Areas
Office Fit-Out Near Welling
We carry out office fit-out across Welling and the surrounding areas. Explore a nearby location:
Ready to Start Your Welling Project?
Free, no-obligation quote for office fit-out in Welling.