Flat
refurbishment
in Marlow, SL7
Designers, Architects, Engineers & Builders Under One Roof.
One Studio. One Contract. One Team.
Flats are a smaller share of Marlow's housing, but they come in several forms, and each brings lease, sound and fire questions that are settled before any finish is chosen.
At the 2021 Census, 708 of the Marlow ward's 4,736 households lived in a purpose-built block of flats, 14.9 per cent of the total. Smaller groups lived in part of a converted or shared house (92 households), in other converted buildings such as a former school, church or warehouse (35), and in commercial buildings, the census category that includes flats over shops (58).
Tenure varies too. In the same ward, 16.3 per cent of households rented privately and 10.6 per cent from a social landlord, and the government notes that most flats are leasehold, with the lease saying whether alterations need the landlord's permission.
Sources: ONS/Nomis: Census 2021 TS044 Accommodation type, 2022 ward Marlow (E05013153); ONS/Nomis: Census 2021 TS054 Tenure, 2022 ward Marlow (E05013153); GOV.UK: Leasehold property (printable guide)
Leases, freeholders and planning for a Marlow flat
A leaseholder holds a flat under a legal agreement with the landlord, sometimes known as the freeholder, called a lease. It says whether you need permission to make alterations and who is responsible for repairs, so we read it, and any licence it calls for, before we draw.
We set the lease plan beside our own measured survey, because the area the lease demises decides which walls, windows and floor voids are yours to alter and which belong to the building.
Householder permitted development rights belong to dwellinghouses, and the government's technical guidance says a dwellinghouse does not include a building containing one or more flats. An external change to a flat that counts as development therefore generally needs a planning application to Buckinghamshire Council.
In the town centre, which lies inside the Marlow conservation area, many buildings are listed: the national list holds 166 entries within its boundary, among them High Street buildings now used as shops. If the flat is in a listed building, work affecting its character needs listed building consent, and that covers interior changes too.
Ground-floor flats near the Thames share the town's flood record. The 2014 assessment lists Lock Road, Lower Pound Lane, Meadow Close, Mill Road and Riverwoods Drive among the roads that flooded in Marlow in the winter of 2013-14, and its suggested measures include raising wiring and sockets and laying tiled or stone floors, which suit a ground-floor flat's kitchen and bathroom.
Near the river, splitting one flat into two meets the flood assessment: in Flood Zone 3b it says property sub-division should not be permitted, and in Zones 3a and 2 that it should be discouraged, because it adds to the population at risk.
Sources: GOV.UK: Leasehold property (printable guide); GOV.UK (MHCLG): Permitted development rights for householders: technical guidance (September 2019); Buckinghamshire Council: Local Development Scheme, 3. Our current plans and documents (last updated 16 March 2026); planning.data.gov.uk (MHCLG): conservation area point query 51.5707,-0.7756 (Marlow centre); planning.data.gov.uk (MHCLG, Historic England data): listed buildings within the Marlow conservation area boundary (entity 44010553); Buckinghamshire Council Heritage Portal (Historic Environment Record): High Street, Marlow (MBC19874); legislation.gov.uk (The National Archives): Planning (Listed Buildings and Conservation Areas) Act 1990, section 7 (restriction on works affecting listed buildings); Wycombe District Council: Strategic Flood Risk Assessment Level 1 Update (November 2014)
Floors, walls and the entrance door
Approved Document E requires flats to give reasonable resistance to sound from other parts of the same building and from adjoining buildings. Its guidance on floors warns against hard finishes rigidly connected to the floor base, and notes that a soft covering reduces impact sound at source, which matters when a carpet gives way to boards or tiles.
Fire safety in a block rests on a fire being contained in the flat where it starts while the common escape routes stay relatively clear of smoke and heat. Every fire doorset to a flat entrance should have a self-closing device.
For a single-storey flat more than 4.5m above ground, the guidance's internal layouts include a protected entrance hall serving every habitable room, or a travel distance of no more than 9m from the entrance door to any point in a habitable room, with the cooking placed away from the door and clear of the escape route.
A floor or other structure dividing parts of a building in different ownership, such as flats, may count as a party structure, which can bring notices to the owners above or below. Small jobs like replastering or fixing shelves are exempt.
Sources: GOV.UK: Approved Document E: Resistance to the passage of sound; GOV.UK (MHCLG): Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020, 2022, 2025 and 2026 amendments and forthcoming 2029 changes; GOV.UK: Party walls and building work (printable guide); GOV.UK: Party walls and building work - overview
Building regulations and who does the work
Replacing windows and doors, and changing electrics near a bath or shower, appear on the government's list of alterations that may require approval from building control. If the installer is registered with a competent person scheme, you need not apply yourself.
Otherwise approval comes from Buckinghamshire Council's building control service or from a private registered building control approver, and it is a separate decision from planning permission.
Our London team takes on flat refurbishments in Marlow from the Finchley Road studio in Hampstead, NW3, with in-house architects, designers and structural engineers, and Hampstead Chartered Surveyors & Building Consultancy for surveys and lease plans.
In a block we settle access times, stair and lift protection and material storage with the managing agent in advance, and we keep the common parts clean as we go.
Outside Marlow, and in London rather than Buckinghamshire: Project example: Hampstead, NW3. That project of ours was a full renovation of a three-bedroom, two-bathroom flat in Hampstead, as its case study records.
Sources: GOV.UK: Building regulations approval - when you need approval; Buckinghamshire Council: Building regulations and control; GOV.UK: Building regulations approval (printable guide); Hampstead Renovations: The Mount, NW3 case study
Flat Refurbishment in Marlow: Questions
Do I need my freeholder's consent to refurbish a flat in Marlow?
Often, yes. Most flats are leasehold, and the lease, your legal agreement with the landlord or freeholder, says whether you need permission to make alterations and who is responsible for repairs. We read it with you before design, and allow for any licence the landlord requires.
Which flat works in Marlow need building regulations approval?
Replacing windows and doors, changing electrics near a bath or shower, and installing or replacing a heating system are among the examples on the government's list. Approval comes from Buckinghamshire Council's building control service or a private registered building control approver, unless the installer belongs to a competent person scheme.
What sound insulation rules apply when a flat's floors are changed?
Approved Document E requires flats to resist sound from other parts of the same building, and its floor guidance warns against non-resilient finishes rigidly connected to the floor base. A soft floor covering reduces impact sound at source, so replacing carpet with boards or tiles usually needs a resilient layer beneath.
Do window changes to a flat in the Marlow conservation area need permission?
Householder permitted development rights do not cover a building containing flats, so a change to windows that materially alters the outside may need planning permission, and in a listed building listed building consent. Replacement windows need building regulations approval as well. The town centre lies within the conservation area, so we check the address first.
How do you scope and quote a flat refurbishment in Marlow?
We survey the flat, read the lease, and find out from the managing agent how access, working times and waste are handled in the block. The scope lists strip-out, any structural change, services, sound and fire upgrades, joinery and finishes as separate items, each priced, before any total is given.
What kinds of flats does Marlow have?
In the Marlow ward at the 2021 Census, 708 households lived in purpose-built blocks of flats, 92 in part of a converted or shared house, 35 in other converted buildings such as a former school, church or warehouse, and 58 in commercial buildings such as flats over shops.
Book a feasibility visit
Request a visit
Completed renovation project example
