Marylebone Curated Flea Market: Alfies on a Saturday

Marylebone's curated flea market is indoors. Alfies Antique Market, at 13-25 Church Street NW8 8DT on the Lisson Grove edge of Marylebone, gathers more than 80 specialist dealers across several floors of a former department store and opens Tuesday to Saturday. Entry is free, Marylebone station is the nearest on the Bakerloo line, and Saturday is the market's own busiest day, when Church Street outside is at its liveliest too.

Bennie Gray opened Alfies in 1976 in the Edwardian buildings of the former Jordans department store, and it works as a permanent collection of dealer shops rather than a weekly pitch-up market. That means the same dealers are there week after week, stock is arranged rather than piled, and you can return on Tuesday to a piece you saw on Saturday. The strengths are twentieth-century design, lighting, mirrors, glass, jewellery, vintage fashion and decorative objects, with a pronounced lean towards mid-century and Art Deco pieces.

The building is part of the experience. Its painted facade stands out on an otherwise ordinary street, and inside, the layout is complex: half-floors, short staircases and corridors that branch off into small rooms. Alfies itself describes the building as historic with a complex layout. Allow time to get a little lost, because some of the most interesting booths sit in corners you only find on the second loop.

Saturday is when Alfies feels most like a curated flea market: more browsers, more conversation between dealers and buyers, and Church Street lively outside. It is the best day if you enjoy atmosphere and want to combine the visit with lunch nearby. The trade-off is that dealers are busier and corridors narrower. If you are a decorator or serious buyer with a list, a Tuesday or Wednesday is calmer and gives you more time to talk through a piece.

Monday and Sunday are the days to avoid: the market is closed both days, and public holidays can also close the building, so a Monday or Sunday trip to Church Street with antiques in mind ends at a locked door. If your only free day is Sunday, swap Alfies for the Truman Brewery markets on Brick Lane or the Sunday market at Spitalfields, which suit vintage clothing better than furniture.

Start at the top and work down. The rooftop restaurant gives a natural break and a view over the surrounding streets, and starting high means you end at the ground floor near the exit with your purchases rather than carrying them up stairs. Lifts and stairlifts reach several floors, but step-free access is limited across the whole building, so anyone with a buggy or mobility needs should plan the route with that in mind.

Bring measurements. Mirrors, lamps and side tables are the classic Alfies purchases, and dealers will often hold a piece briefly while you check a space at home, but it pays to arrive with numbers in your phone notes or on paper. Many dealers take cards, while the market recommends cash for smaller purchases. For larger pieces, ask about delivery options before you agree a price.

The complex grew in stages: an extension in 1988 took it to around 35,000 square feet over five floors, and an area called The Quad opened in 2005 with a focus on modern design. In practice that means the further you wander from the main entrance, the more the mood shifts from classic antiques towards twentieth-century and contemporary design pieces.

Alfies is a dealer market, so prices reflect selection and condition rather than car-boot luck. If your idea of a flea market is digging through boxes for a bargain, you may find it polished. Skip it if you want a quick cheap find; go if you want a well-chosen piece and a dealer who can tell you where it came from. That clarity about what you are paying for is the main reason designers and stylists keep coming back.

For a cheaper complement, walk the Church Street street market stalls outside, which sell a mix of household goods, clothing and food, and check the small antique shops nearby. For a rummage-style alternative on another day, Old Spitalfields on Thursday has more than 80 stalls of vintage art, maps, furniture and homewares, and Covent Garden's Monday antiques tables cover small portable collectables.

From Alfies, it is a pleasant walk south-east to Marylebone High Street, with its independent bookshops, delis and cafes, and on to Chiltern Street for small boutiques. Regent's Park lies to the north-east if you want green space after an indoor morning. The Wallace Collection on Manchester Square, free to enter, makes an elegant counterpart to Alfies: decorative arts behind glass after decorative arts you can take home.

Getting there is easy. Marylebone station on the Bakerloo line and national rail is closest, with Edgware Road on the Bakerloo, Circle, District and Hammersmith and City lines nearby. Several bus routes run along Edgware Road at the western end of Church Street. There is little street parking, and the market itself recommends public transport.

Tell Karpo APP the day you are free, what you are shopping for and where you are starting. Karpo can confirm whether that day fits the Tuesday-to-Saturday pattern, suggest an order for the floors and the Church Street stalls, and add a lunch stop or a Marylebone High Street walk afterwards. It works from public information and your preferences; it does not see dealer stock or hold pieces for you.

Bring a soft bag for glass and ceramics, a tape measure, and some cash. Photograph a piece and its ticket if you want to think it over, and note the dealer's booth so you can find your way back through the corridors. Arrive mid-morning on a Saturday to enjoy the buzz without the busiest lunchtime stretch.