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Permitted2026/0546Submitted 5 months agoRear extension

25 DE BEAUVOIR SQUARE Hackney N1 4LE

Erection of a single-storey rear infil brick extension, replace non-original timber sash windows with timber sash windows, alteration to window opening at lower ground floor level to modern rear extension to take new aluminium framed glazed door. Replace artificial slate to front pitch with natural slate; replace existing velux rooflights to front and rear pitched roofs with conservation rooflights; reinstate decorative gable to front elevation to match original with integrated swift brick; reinstate copings to front gable; replace upvc drainage goods with cast iron. Remove non-original cast iron pot guards to front and rear. Helical bar repair to brickwork; lime repointing. To front garden relay drainage with new manholes; lift and relay york stone paving; new timber bin store; repair stone front steps. Replace modern railings and gate with cast iron railings and gate on new stone coping. Raise brick piers and replace caps with cast stone to match original. Repair railings to side boundaries. To rear garden: new bike store; new ASHP, new stone paving to side passage. To lower ground floor interior: replace concrete floor slabs with limecrete; structural opening in flank wall to modern extension; alterations to modern partitions; replace internal modern glazed doors with traditional panelled doors; new panelled bifold doors to spine wall; wall linings as shown. Open up fireplace to rear room with new chimney piece, hearth and linings. New bottom step to staircase; fitted joinery. At upper ground floor interior: insulated linings and new fitted joinery to modern extension; restore plaster mouldings; rehang existing doors to hand. At first and second floors replace interior modern doors with traditional panelled doors; new bathrooms with associated drainage; internal insulated wall linings; new cornice to front room. At first floor open up fireplaces with new chimney pieces, hearth and linings. At second floor new access hatch and ladder to loft.

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Progress

Submitted
18 Mar 2026
— completed
Validated
18 Mar 2026
— completed
Consultation
26 Apr 2026
— completed
Target date
13 May 2026
— completed
Decided
30 Jun 2026
— completed

Application details

Reference
2026/0546
Local authority
Hackney
Postcode
N1 4LE
Ward
De Beauvoir Ward
Application type
All Other
Property type
House

Key dates

Submitted
18 Mar 2026
Validated
18 Mar 2026
Comments close
26 Apr 2026
Target decision
13 May 2026
Decided
30 Jun 2026

Estimated project value

£41k–£75k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £2,177,500 — the median of the last 8 market sales in N1 4LE, £1,090,000 to £2,475,000.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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