House
refurbishment
in Cobham, KT11
Designers, Architects, Engineers & Builders Under One Roof.
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Refurbishing a Cobham house means working with what it is made of: brick fronts over older frames in Church Cobham, slate-roofed pairs in The Tilt, estate cottages at Downside, and larger detached houses beyond.
Cobham's older houses keep their history in the fabric. In Church Cobham's much-altered older houses, timber framing and possibly early chimney stacks are often hidden behind later brick; in The Tilt the paired houses depend on their sashes, bays and slate; Downside's estate cottages still have their red brick and, in places, cast iron casements. A refurbishment that strips these out by habit throws away the reason the house is worth the work.
Most of the area's housing is detached or semi-detached, much of it on generous plots. Where a house has no historic fabric to work around, our refurbishment centres on services, plan and finishes, and we treat the two kinds of house differently from the first visit.
What a refurbishment in Cobham has to respect
The Cobham appraisal finds that, in Church Cobham's much-altered older houses, much medieval and later fabric, usually timber framing and possibly early chimney stacks, is hidden behind later brick facades, and that those fronts can often hide earlier window patterns, some of which survive at the side or rear. We strip out in stages so that what is uncovered is recorded before the design is fixed.
Its guidance on applications for change in the conservation area is specific about joinery. Where a traditional design is adopted, windows should be painted, not stained, sashes or side-hung casements; casements should sit flush without trickle vents or storm seals; double glazing must be carefully designed; doors should be painted timber; and plastic or aluminium windows are generally unacceptable. Joinery details go in with any planning or listed building consent application.
The appraisal also accepts that traditional windows may need another way of meeting the Building Regulations, so we raise that with building control at design stage, before any joinery is made.
In The Tilt, where many houses were built as semi-detached pairs, the appraisal traces the threat to the area's character from inappropriate alterations principally to the gradual loss of original windows and doors and the painting of brickwork. Its best houses keep contrasting brick dressings, natural slate, canted bays and timber sliding sashes, so we repair sashes before replacing them and leave unpainted brick as it is.
At Downside the appraisal singles out surviving cast iron casements with diamond glazing bars, and the estate cottages' red brick, natural slate and red brick chimneys, all worth repairing rather than renewing.
Roofs matter as much as walls. Handmade clay tile roofs are becoming rare, and the Cobham appraisal wants them kept; re-covering a roof is also among the jobs that may need building regulations approval.
Not every Cobham house is a heritage building. The Core Strategy describes the area's homes as mainly detached and semi-detached, and residents told the Design Code team about detached homes on large plots; in those houses our work centres on heating, wiring, insulation, layout and finishes.
Sources: Elmbridge Borough Council: Cobham Conservation Area Character Appraisal and Management Plan (endorsed 11 June 2019); Elmbridge Borough Council: The Tilt Conservation Area Character Appraisal and Management Plan (2015); Elmbridge Borough Council: Downside Village Conservation Area Character Appraisal and Management Plan (2014); GOV.UK: Building regulations approval; Elmbridge Borough Council: Elmbridge Core Strategy; Elmbridge Borough Council: Elmbridge Design Code 2024 (SPD)
Consents for refurbishing a Cobham house
The planning act leaves out of development any works that touch only a building's inside, or that leave its outside materially unchanged, so most internal refurbishment of an unlisted house sits outside planning control. The Building Regulations still apply regardless, and gov.uk names replacing windows and doors, installing or replacing a heating system, and changing electrics near a bath or shower as work that can come under them.
A listed house is different. Listing covers the inside and the outside, so any work touching what makes the building special requires the council's listed building consent. The appraisal counts 21 listed buildings in the Cobham Conservation Area alone, six of them chest tombs.
Locally listed and significant unlisted buildings form a further layer: the conservation area has five of the first and 26 of the second, and policy DM12 of the Development Management Plan presumes that locally listed buildings will be kept.
Building control for the work is Elmbridge Building Control Services (EBCS), for Elmbridge Borough Council, until 31 March 2027, and from 1 April 2027 the provider named by East Surrey Council, unless you appoint a private registered approver.
Sources: legislation.gov.uk (The National Archives): Town and Country Planning Act 1990, section 55 (meaning of development); Elmbridge Borough Council: Building control; GOV.UK: Building regulations approval; Elmbridge Borough Council: Cobham Conservation Area Character Appraisal and Management Plan (endorsed 11 June 2019)
How we run a Cobham refurbishment
A measured survey and a room-by-room condition record come first, so the drawings show the house as it really is: thick walls, floors out of level and later partitions included.
The scope then separates repair from replacement item by item. Windows, floors, joinery, plaster and services each get a decision, and the price is built from that list.
Removing a chimney from a party wall, or cutting into one, needs notice to the neighbour, so where a house is joined to its neighbour we settle that before anything is ordered. If a wall or chimney breast is to be removed, our structural engineer designs the support.
On site we protect what stays: boarded floors, cased staircases and fireplaces, and dust sealed off room by room. At handover you receive the certificates for the notifiable work, because without approval a house lacks the compliance certificates a sale may need.
Outside Cobham, and in London rather than Surrey: Holland Avenue, Wimbledon SW20. That completed project of ours combined a loft conversion, a double-storey extension to the rear and side, and a whole-home refurbishment, as its case study describes.
Sources: GOV.UK: Party walls and building work (printable guide); GOV.UK: Building regulations approval; Hampstead Renovations: Holland Avenue, Wimbledon SW20 case study
House Refurbishment in Cobham: Questions
Do internal works to a Cobham house need planning permission?
Usually not, if the house is not listed. Works confined to a building's inside, or that leave its exterior materially unaltered, are not development under the planning act. A listed house is different: listing extends to the interior, and work touching its special architectural or historic interest needs the council's consent. Building regulations apply either way.
How does the Cobham conservation area affect windows, doors and roofs?
Where a traditional design is adopted, the appraisal's guidance is painted, not stained, sashes or side-hung casements, sitting flush and without trickle vents or storm seals, carefully designed double glazing, and painted timber doors; plastic and aluminium windows are generally unacceptable. It also wants handmade clay tile roofs kept, as they are becoming rare.
Which features should a Cobham refurbishment keep?
The ones the council's appraisals name. In Church Cobham that means timber framing and possibly early chimney stacks behind later brick, older window openings at the side or rear, and red brick boundary walls. In The Tilt it is contrasting brick dressings, natural slate, canted bays and sliding sashes; at Downside, cast iron casements with diamond glazing bars.
How do you scope and quote a house refurbishment in Cobham?
After a measured survey and a condition record of each room. We list every element, from strip-out and services to plaster, joinery and decoration, decide repair or replacement for each, and price from that list. Items we can only confirm once walls or floors are opened are flagged in the scope, so you can see where decisions still sit.
Who checks the building regulations on a house refurbishment in Cobham?
Elmbridge Building Control Services (EBCS), for Elmbridge Borough Council, until 31 March 2027, and from 1 April 2027 the provider named by East Surrey Council. You may use a private registered building control approver instead, and electrical work by an installer registered with a competent person scheme is certified without you applying yourself.
What do you need from me before visiting a Cobham property about a house refurbishment?
Any drawings, surveys or past consents you hold, the age of the house if you know it, and a list of what bothers you about it now: damp, cold rooms, layout, tired services. Let us know about any listing or conservation area status, and whether you plan to live in during the work, because that changes how we phase it.
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